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Special Covid-19 Edition - NUHS
TA H O
THE HEARTBEAT OF NATIONAL UNIVERSITY HEART CENTRE, SINGAPORE

                                                                                                                        KE ME
                                                                                                                            M !
                                                                                                                             E
                                                                                                     ISSUE 35
                                                                                                     AUGUST 2020
                                                                                                     WWW.NUHCS.COM.SG

                    Special
                    Covid-19
                    Edition
                                A Look Behind The Scenes                               | PG 6

       IN THIS        PG 24                             PG 28                                         PG 34
       ISSUE          Floral Fantasy                    The Next Generation                           The Iron-Man Suit
                                                        In Heart Recovery                             for Proteins

                                 MCI (P) 151/03/2019. All information is correct at time of print.
Special Covid-19 Edition - NUHS
PULSE | ISSUE 35 | TABLE OF CONTENTS

                                         04
    TABLE OF                             Director's Message

    CONTENTS
                                         Message from Prof. Tan

                                               COVID-19 SPECIAL
                                                                             14
                                         05                                  To Fit Like A Glove
           THE TEAM                      Impact Of Covid-19 On               Specialised nurses deployed to
                                         Patients                            provide support at the National
     Editorial Directors                 Infographic: What we know           Centre for Infectious Diseases
     Prof. Tan Huay Cheem                about Covid-19                      (NCID)
     A/Prof. Poh Kian Keong

     Editors
     Mr. Don Chan
     Ms. Juliette Lim

     Publications &
     Abstracts
     Ms. Fion Tay
     Ms. Lin Xiao Yun
     Ms. Tan Sze Hwee                     COVER STORY |
                                          A Look Behind The Scenes
     Publishing Agency
     The Orange Press Pte. Ltd
                                         06                                  16
     Pulse is a biannual                 A Look Behind The Scenes            A Pandemic Transforms
     publication by the                  Snapshots of National University    Cardiac Rehabilitation
     National University                 Heart Centre, Singapore (NUHCS)     Delivering cardiac rehabilitation
     Heart Centre, Singapore             during the pandemic                 remotely
     (NUHCS)

     1E Kent Ridge Road, NUHS
                                         08                                  17
                                         Battling A Pandemic                 Learning Continues Even
     Tower Block, Level 9,
                                         Opinion piece by Prof. Tan on his   In A Pandemic
     Singapore 119228
                                         view of the impact of Covid-19      An opportunity to reshape
                                                                             medical education

         nuhcs@nuhs.edu.sg               10
                                         Inevitable Changes With
         www.nuhcs.com.sg                Covid-19
                                         Opinion piece by A/Prof. Yeo on
         www.youtube.com/user/NUHCS
                                         his thoughts about the Covid-19
         www.facebook.com/NUHCS          pandemic

                                         12                                  18
     Copyright © is held by the          Time Is Of Essence                  Conquer The Fear
     publishers. All rights reserved.    Managing life-threatening           Supporting Covid-19 patients in
     Reproduction in whole or in parts
                                         emergencies in a pandemic           critical care
     without permission is prohibited.

2
Special Covid-19 Edition - NUHS
PULSE | ISSUE 35 | TABLE OF CONTENTS

20                                            CLINICAL                     33
From The Scene Of                                                          The Last Hurdle –
The Dorms                           28                                     An Inquisition
Volunteers share their              The Next Generation In                 Asst. Prof. Choong recounted taking
experiences working at              Heart Recovery                         his viva voce during the pandemic
foreign workers' dormitories        Achieving hemodynamic
                                    stabilisation with percutaneous
                                                                                    RESEARCH
22                                  ventricular assist devices

Full Speed Ahead
In a race against time to set up
Tuas South Community Care
Facility

            EVENT

23                                                                         34
                                    29                                     The Iron-Man Suit For
Winning Gold                        Leading A New Era                      Proteins
Youths researched on                Opinion piece by Asst. Prof. Chai      Drum Lab created first man-made
experimental heart surgery for      on his new appointment                 shells to protect proteins
showcase at fair

                                    30                                              NEWSBYTES
                                    Forging Ties Across Borders
                                    Governing the Singapore Chapter        35
                                    of the American College of             Promotions
                                    Cardiology                             Congratulations to our newly-
                                                                           promoted doctors!
                                             EDUCATION
24                                  31                                     36
Floral Fantasy                                                             Quality Improvement
                                    Gaining Firsthand                      Project (QIP) Award
National University Heart Centre,
Singapore Annual Dinner & Dance     Experience                             Winners
2020                                Dr. Kua trained under
                                    instantaneous wave-free ratio
                                    pioneer                                37
26                                                                         Publications & Abstracts
A Hearty Party To Warm
Hearts
Caring Hearts Support Group
annual year end party 2019                                                    ERRATUM NOTICE:
                                                                              In our last issue on page
                                                                              34, the name of the award
27                                                                            was wrongly printed as
Leading The Heart Health            32                                        Quality Improvement Patient
                                                                              Experience Award. It should
Movement                            Healthy Hawker Eats                       be the "Quality Improvement
Prof. Tan outlined his goals as     Tips on making healthier food             Project (QIP) Award". We
Singapore Heart Foundation's        choices at a hawker centre                apologise for the error.
(SHF) fourth Chairman

                                                                                                                 3
Special Covid-19 Edition - NUHS
PULSE | ISSUE 35

                          DIRECTOR'S
                            MESSAGE
    Dear readers,

    The Covid-19 pandemic brought        When Singapore raised its            be deployed where they were
    unspeakable pain and suffering       Disease Outbreak Response            needed, including intensive care
    to patients, families, and the       System Condition (DORSCON)           units (ICU) to care for Covid-19
    world. What first begun as a         status to “Orange” on 7 February     patients and to volunteer
    medical issue quickly evolved        2020, NUHCS immediately              in swab teams required in
    into a social issue affecting        set in motion emergency              emergency rooms as well as off-
    everyday lives as movement           risk management protocols,           site facilities.
    restrictions were implemented        establishing revised workflows
    and social gatherings banned         and infrastructure layout to         Ranks and work scopes were
    almost worldwide. It was             prevent cross infection as           cast aside as every trained
    sombre to witness trade and          well as to be prepared for           staff pitched in to help and
    businesses slow to a near halt       contingencies in managing the        responded to the call of duty.
    and once bustling streets empty      ongoing pandemic.
    overnight.                                                                Despite the uncertainties and
                                         Time was of the essence –            risks we face in the course of
    Yet it is also a humbling            segregated medical teams were        our work, our unity kept our
    experience that humanity has         set up to ensure round-the-          morale high owing to the fact
    been brought to its feet by an       clock continuity of care and         that we work alongside zealous
    invisible enemy, and to witness      to prepare for future possible       colleagues and friends – all
    the world literally shut down        events such as the infection         equally committed to seeing the
    and change forever.                  of one of our staff. We needed       sick walk out of our hospital as
                                         to re-learn many things, adapt       healthy individuals.
    As part of the larger nationwide     to instantaneous changes
    healthcare team battling this        happening every hour, and            In times like these, we are
    pandemic, National University        respond to ongoing situations        stirred to rise to our highest
    Heart      Centre,     Singapore     erupting every second.               potentialities – to be the hope
    (NUHCS) kicked into high gear                                             and comfort for the sick and
    to contain the outbreak with         Amidst this stressful situation, I   suffering.
    two priorities at the top of our     am in awe of the resilience of our
    list – to provide continued care     staff. Grappling with the limited
    for our cardiovascular patients      supply of healthcare workers,        Tan Huay Cheem
    and to protect the health and        each and everyone stepped            Prof. Tan Huay Cheem
    wellbeing of our staff during this   up to take on additional roles       Director and Senior Consultant,
    outbreak.                            and shifts and were willing to       Department of Cardiology, NUHCS

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PULSE | ISSUE 35 | COVID-19 SPECIAL

                                                                                                              
                                                                                                                
                                                                                                                  
                                              MORTALITY RATE

           
                                              10.5%                                                 ­
                                                                                                    
                                                                                                                                
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                                                                                                                            ARTICLE BY
        
                                     NUHCS Pulse Editorial             5
Special Covid-19 Edition - NUHS
PULSE | ISSUE 35 | COVID-19 SPECIAL

    A LOOK BEHIND
    THE SCENES
    Snapshots of National University Heart Centre, Singapore (NUHCS) during the pandemic
    Faced with a pandemic, NUHCS responded quickly to manage the expected influx of critical
    patients. This meant implementing emergency risk management protocols to prevent
    infection outbreak within the centre and prioritising medical supplies and facilities for the
    most urgent procedures. Take a look behind the scenes at NUHCS.

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Special Covid-19 Edition - NUHS
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                                  7
Special Covid-19 Edition - NUHS
PULSE | ISSUE 35 | COVID-19 SPECIAL

    BATTLING A
    PANDEMIC
    Opinion piece by Prof. Tan on his view of the impact of Covid-19
    Battling a highly infectious un-      (PPE), instituting operative strat-
    known virus which could poten-        egies which minimise time of
    tially escalate quickly into death,   exposure, stepping up measures
    brought about changes on many         for acute resuscitation such as
    fronts at every level throughout      airway intubation and formu-
    the National University Heart         lating plans for right sitting of
    Centre, Singapore (NUHCS).            patients for post-operative care
                                          after acute stenting procedures.
    Change in Patient Care
    Management                            To conserve our resources for
    Research showed that the coro-        the most critical patients, we        Fortunately, the Western STEMI
    navirus has a direct toxic effect     had to redesign our rehabilita-       network had been established
    on the heart causing myocarditis      tion programme to minimise            earlier and played a crucial role
    and heart muscle injury, poten-       hospital visits while ensuring        in this pandemic battle as sug-
    tially exacerbating existing heart    our patients progress with their      gested by Italy’s and Spain’s ex-
    conditions, weakening the heart       recovery. Such challenges that        perience where the centralisation
    and even provoking a heart at-        came up at every turn were met        and streamlining of active STEMI
    tack through systemic inflamma-       with innovative approaches by         care to a few centres potentially
    tion.                                 our team. In this case, wearables     minimised crossover infections
                                          and mobile applications provid-       amongst patients and healthcare
    To manage our current patients        ed a solution.                        workers while freeing up trained
    as well as Covid-19 patients, the                                           intensive care unit (ICU) staff to
    critical first step was to develop    NUHCS’s role within Singapore’s       support in other areas.
    clear treatment pathways and          healthcare network
    algorithms for treating cardiac       As the only centre in the National    As part of the larger nationwide
    patients, especially those with       University Health System (NUHS)       healthcare team, everyone in NU-
    acute emergencies such as acute       cluster that provides round-the-      HCS, including our allied health
    myocardial infarction (AMI), with     clock emergency angioplasty           and support staff, stepped up to
    or without concurrent Covid-19        service for patients with heart at-   volunteer where they can and
    infection.                            tacks, NUHCS’s Cardiac, Thoracic      took on extra workload in this
                                          and Vascular Surgery Surgeon          public health crisis. Our doctors
    This meant changing clinical pro-     (CTVS) Extracorporeal Membrane        maintained a fortnightly roster at
    tocols overnight such as formal-      Oxygenation (ECMO) team is a          the National Centre for Infectious
    ising transportation protocols,       critical resource and has since       Diseases (NCID) and multiple
    team segregation, implement-          been called upon to treat two pa-     teams from NUHCS volunteered
    ing strict protocols on the use of    tients at National University Hos-    at off-site testing and care facili-
    personal protective equipment         pital (NUH), as of April 2020.        ties for Covid-19 patients.
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Special Covid-19 Edition - NUHS
PULSE | ISSUE 35 | COVID-19 SPECIAL

           Connecting       with     Medical professionals all over               gency cardiac care team may
           the global medical        the world connected virtually                be exposed to AMI patients who
           community                 to discuss crucial observations              concomitantly have Covid-19,
           More than ever,           and continue their knowledge                 thereby having to self-quarantine
           medical and scien-        exchange to keep up with the                 and shut down the entire essen-
           tific experts around      evolving pandemic. While we                  tial service.
           the world need to
           come together to                                                       This will take all of us
           share their find-                                                      Reiterated by many, this pan-
           ings to develop           Such challenges that                         demic is an unprecedented is-
           patient treatment         came up at every                             sue and has changed our lives.
           strategies. Howev-        turn were met with                           To date, we are still battling with
           er, many meetings         innovative approaches                        the pandemic with gaps in our
           and      conferences      by our team.                                 understanding of the virus. This
           were cancelled due        Prof. Tan Huay Cheem, Director and Senior    is a battle involving all of us and
           to travel bans and        Consultant, Department of Cardiology,        we will need to work together to
           lockdowns to sup-         NUHCS                                        win this.
port physical distancing meas-       are busy saving lives, we must
ures and curb the spread of          be prepared and equip ourselves              Having witnessed the strength
the virus.                           so that we are better able to an-            and support of my colleagues
                                     ticipate the longer term conse-              over the past few months, it is
Yet there was an unprecedented       quences of the pandemic.                     with optimism and hope that I
rapid flow of information with                                                    am confident we can look back
new findings or complications        What comes next?                             on this day and share stories of
related to cardiac care dissem-      One of the most glaring observa-             triumph.
inated in real-time across the       tions shared was the significant
globe, in the race to uncover        reduction in the number of heart             This is an opinion piece by Prof. Tan
more about the virus and to find     attack patients (about 40-70%)               Huay Cheem, Director and Senior
the cure. A tremendous surge in      who sought treatment in hospi-               Consultant, Department of Cardiol-
related research originated from     tals across the USA, Europe and              ogy, NUHCS sharing his reflection on
                                                                                  the impact of the global pandemic
China, followed by Singapore,        other Asian countries. This was
                                                                                  on NUHCS written in May 2020.
Europe and the United States.        attributed to people’s fear of con-
                                     tracting the virus if they stepped
NUHCS has been active in shar-       into hospitals. Unfortunately, this           ARTICLE BY

ing our experience with our inter-   results in further complications             Prof. Tan Huay Cheem
                                                                                  Director and Senior
national colleagues in China and     and increased death rates in pa-             Consultant, Department
the Asia-Pacific region through      tients, which could potentially              of Cardiology, NUHCS
webinars with active and ro-         trigger a post-Covid-19 public
                                                                                  Prof. Tan is a professor
bust discussions on                  health crisis.                               of medicine at Yong Loo
how to manage                                                                     Lin School of Medicine, National University
                                                                                  of Singapore and possesses a Master of
cardiac patients                        Another concern brought up                Medicine in Internal Medicine. He is an active
                                                                                  clinical researcher, visiting professor at several
with Covid-19                            was that in many countries,              hospitals in China and invited speaker at many
infection.                               especially in Asia, the emer-            international cardiology meetings.

                                                                                                                                       9
Special Covid-19 Edition - NUHS
PULSE | ISSUE 35 | COVID-19 SPECIAL

               INEVITABLE
               CHANGES                                        ARTICLE BY

                                                             A/Prof. Yeo Tiong Cheng
                                                             Deputy Director and

               WITH
                                                             Senior Consultant,
                                                             Department of
                                                             Cardiology, NUHCS

               COVID-19
                                                             A/Prof. Yeo is the outgoing
                                                             Head of the Department of Cardiology, NUHCS.
                                                             His concurrent appointments are Senior
                                                             Consultant, Department of Cardiology, NUHCS
                                                             and A/Prof. at Yong Loo Lin School of Medicine,
               Opinion piece by A/Prof. Yeo                  National University of Singapore. He is also a
                                                             fellow of the American College of Cardiology
               on his thoughts about the                     and a specialist registered with the Academy of
                                                             Medicine, Singapore.
               Covid-19 pandemic

              S
                    ingapore diagnosed its first       Inevitably, life for healthcare workers
                    confirmed case of Covid-19 on      also changed – compulsory proto-
                    23 January 2020 in a Chinese       cols were rolled out in hospitals and
               national who travelled here from        clinics. These include temperature
               Wuhan. Very soon after, changes         taking for all staff twice daily, cancel-
               unfold almost on a weekly basis…        lation of non essential elective sur-
                                                       geries to prioritise facilities and sup-
               A rapid increase in confirmed cases     plies for urgent cases, the required
               was reported as testing and contact     donning of appropriate personal
               tracing teams went into full swing to   protective equipment (PPE) and seg-
               ring fence the source and curtail the   regation of clinical teams to ensure
               spread of infection.                    that our core teams can continue to
                                                       function and operate when the situ-
               About two weeks later, Singapore        ation escalates.
               raised its Disease Outbreak Res-
               ponse System Condition (DORSCON)        Amongst the medical and scientific
               level to Orange, the second highest     communities, there is a quiet sense
               level. This sparked widespread pan-     of urgency as experts race to learn
               ic with panic buying and hoarding       more about this infection and devel-
               of essentials such as rice, instant     op tools to protect our patients as
               noodles and toilet paper amongst        well as the healthy communities.
               other things.

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PULSE | ISSUE 35 | COVID-19 SPECIAL

                                         While numbers are still low in Singa-
                                         pore, we need to be mindful that Singa-
Amongst the medical                      pore is an urbanised country in a highly
and scientific                           globalised world. Our open economy
communities, there is a                  and the high density of city dwellers
                                         make us highly vulnerable to imported
quiet sense of urgency
                                         infections.
as experts race to
learn more about this                    I expect more changes to come, espe-
infection and develop                    cially since our ability to stop this infec-
                                         tion is not only dependent on Singa-
tools to protect our
                                         pore’s efforts. Equally important is how
patients as well as the                  successful our neighbouring countries
healthy communities.                     and the rest of the world are in over-
A/Prof. Yeo Tiong Cheng,                 coming this virus.
Deputy Director and Senior Consultant,
Department of Cardiology, NUHCS
                                         There is truth in the adage – change is
                                         the only constant.
Here, we too are bracing ourselves
for the possible impact when the         Some things, however, remained the
virus hits us like a storm. Medical      same – I drank a lot of green bean
supplies are quickly checked and         soup during the severe acute res-
re-checked to ensure that we             piratory syndrome (SARS) outbreak
have enough when we need them            in 2003 because my mother-in-law
in an emergency.                         said that "it has anti-SARS proper-
                                         ties". I am still drinking green bean
Our teams are working double             soup now…
time to care for our patients and
spending as much time as pos-            This opinion piece was written in early March
sible to soak up new information         2020 before the first two Covid-19 deaths
from our counterparts around the         were reported on 27 March 2020 and strict-
world. We try to gather as much          er movement control measures such as the
new clinical knowledge about             circuit breakers and closure of non-essen-
SARS-CoV-2 as possible because           tial services were implemented in efforts to
knowledge is the only ammuni-            reduce community spread in Singapore. At
tion that we have against this un-       press time, the pandemic situation contin-
known virus.                             ues to evolve with no vaccine available yet.

                                                                                                 11
PULSE | ISSUE 35 | COVID-19 SPECIAL

     TIME IS OF
     ESSENCE
     Managing life-threatening
     emergencies in a pandemic

     S
           T1 segment elevation myo-
           cardial infarction (STEMI) is
           a more severe form of heart
     attack where the coronary artery
     is blocked off by a blood clot for a
     prolonged period of time affecting
     a large area of the heart. Virtually,         Cardiac and
                                                    emergency
     the heart muscle being supplied            teams working
     by the affected artery starts to die,            together
                                                     during PCI
     leading to a life-threatening emer-
     gency.

     For STEMI patients, time is of es-
     sence – their condition must be
     diagnosed and treated promptly.
     Compounded with the Covid-19
     pandemic, cardiac centres world-
     wide now face the risk management
     of virus infection in healthcare facil-
     ities in addition to managing the
     sudden surge in demand for large
     capacities of material and human
     resources in an already finite cir-
     cumstance.

     In addition, one of the catheteriza-
     tion labs (cath lab)2 at the National
                                               Additional protective
     University Heart Centre, Singapore        gowns to be worn
     (NUHCS) was undergoing reno-              during procedures
                                               such as N95 respirators
     vations but this was halted due to        and eye-shields over
     the nationwide isolation of migrant       sanitary clothing.
     workers. When faced with a sudden
     influx of emergency cases and all
     cath labs were occupied, rooms at
     the Department of Diagnostic Im-
     aging (DDI) were transformed for                                    DDI rooms
     time-sensitive procedures to be                                     become reserved
                                                                         backup cath labs
     carried out.
12
PULSE | ISSUE 35 | COVID-19 SPECIAL

                                      To avoid the risk of cross con-      and continuously making ad-
     Other hospital staff like        tamination, critical procedures      justments to ensure optimal
     security and nurses don
     protective gear to help          were redistributed across the        healthcare delivery and uncom-
     transport critical patients
     to and from procedure
                                      Western STEMI network and            promised critical patient care in
     and recuperation rooms           medical teams were confined to       a pandemic.
                                      one site. This saw all emergency
                                      angioplasty3 services and STEMI      1
                                                                            ST – ST is seen on an ECG reading. It is a resting
                                                                           period of the heart during its conduction.
                                      cases requiring definitive treat-
                                                                           2
                                                                            cath labs – A special hospital room (different
                                      ment being routed to NUHCS           from a surgery room) where a specially trained
                                      which freed up limited facilities    cardiac team performs minimally invasive tests
                                                                           and procedures where the patient is usually
                                      at Ng Teng Fong General Hos-         awake.
                                      pital (NTFGH) for Covid-19 pa-       3
                                                                            angioplasty – Procedure which restores blood
                                      tients.                              flow through arteries.
                                                                           asymptomatic – Refers to a patient’s condition
                                                                           4

                                                                           where there is no symptom.
                                      The possible asymptomatic       4
                                                                           5
                                                                            positive ventilation systems – An air ventilation
                                      nature of Covid-19 also meant        system which controls condensation to create
                                      the necessary implementation         a supply of fresh, filtered air and reduce surface
                                                                           condensation, mould growth and dust in a room.
                                      of maximum protection proce-         6
                                                                             percutaneous coronary intervention (PCI) – A
                                      dures to prevent widespread          non-surgical procedure to treat the narrowing
                                                                           of the coronary arteries, often done through
                                      contamination of the surround-       balloon angioplasty.
                                      ing environment.                     7
                                                                            median door-to-balloon time - Calculated
                                                                           from the patient’s arrival at the hospital to PCI in
                                                                           patients with ST elevation or left bundle branch
                                      Because cath labs are built with     block (LBBB) on ECG performed closest to
For STEMI patients,                   normal or positive ventilation       hospital arrival time.

time is of essence –                  systems5, a terminal clean fol-
their condition must                  lowing each procedure is re-             ARTICLE BY

                                      quired. Donning protective gear      Dr. Gavin Ng Yeow Peng
be diagnosed and                                                           Consultant, Department of
                                      and performing primary percu-        Cardiology, NUHCS
treated promptly.                     taneous coronary intervention
Dr. Gavin Ng Yeow Peng, Consultant,                                        Dr Gavin Ng is a cardiology
                                      (PCI)6 while in full protective      consultant at NUHCS with
Department of Cardiology, NUHCS
                                      gear can also lead to longer         special interest in coronary
                                                                           artery disease and acute coronary
                                      treatment times.                     syndrome. He is active in undergraduate and
                                                                           postgraduate medical education as a core faculty
                                                                           member of the Cardiology Senior Residency
                                      In spite of the extra precaution-    Program and a clinical lecturer at Yong Loo
                                      ary measures, the collabora-         Lin School of Medicine, National University of
                                                                           Singapore.
                                      tion across the Western STEMI
                                      Network saw an average medi-         A/Prof. Low Fatt Hoe Adrian
                                                                           Clinical Director,
                                      an door-to-balloon time7 of 43       Angiography Centre, Senior
                                      minutes in the months of Febru-      Consultant, Department of
                                                                           Cardiology, NUHCS
                                      ary and March, similar to 2019,
                                      while managing a total caseload      A/Prof. Adrian Low is also the
                                                                           current Programme Director of
                                      of 107 STEMI patients.               Acute Coronary Syndrome Programme in NUHCS.
                                                                           As a Senior Consultant, his focus remains clinical
                                                                           where he has expanded the radial vascular access
                                      While the situation remains dy-      program at NUHCS and advocates for radial and
                                      namic and may escalate, NU-          small access vascular interventions. He is a keen
                                                                           researcher and is also an advocate of functional
                                      HCS is closely studying global       evaluation of coronary artery disease and the use
                                      healthcare recommendations           of pressure wire guided interventions to reduce
                                                                           unnecessary procedures.

                                                                                                                                  13
PULSE | ISSUE 35 | COVID-19 SPECIAL

     TO FIT LIKE
     A GLOVE
     Specialised nurses deployed to provide support at the National Centre for Infectious Diseases (NCID)

 I
       n Singapore’s healthcare re-        protocols. The newly deployed         ing trained from different depart-
       sponse to the Covid-19 situ-        team had to be retrained on put-      ments and hospitals. Everyone
       ation, nurses from Singapore        ting on powered air-purifying         understood the urgency of the
     General Hospital (SGH) and Na-        respirator (PAPR) and personal        crisis and banded together to fo-
     tional University Hospital (NUH)      protective equipment (PPE) in         cus on the task at hand, tapping
     were deployed to the National         order to standardise the practice     on their experience and contrib-
     Centre for Infectious Diseases        across NCID.                          uting wherever they can to en-
     (NCID) as part of the first nation-                                         sure patients received at NCID
     al augmented team.                    To orientate the newly deployed       had the best care possible in the
                                           nurses with NCID’s operations,        situation.
     Three specially trained extracor-     the Director of Nursing (DON),
     poreal membrane oxygenation           Assistant Director of Nursing         “I am grateful for the opportu-
     (ECMO) senior staff nurses (SSN)      (ADON) and administration staff       nity to contribute during this
     from the Cardiothoracic Inten-        of Tan Tock Seng Hospital (TTSH)      Covid-19 crisis,” says Ms. Hong
     sive Care Unit (CTICU), National      greeted and welcomed the de-          Yaping. “Although it was stress-
     University Heart Centre, Singa-       ployed nurses on their first day.     ful and challenging, everyone
     pore (NUHCS), Ms. Ter Ying Ying,                                            pitched in and worked togeth-
     Ms. Ei Phyu Sin and Ms. Hong          The deployed nurses went              er which made the job on hand
     Yaping were part of this team         through a two-week induction          even more gratifying.”
     who joined NCID on 23 March           programme which included on-           ARTICLE BY
     2020.                                 the-job training to familiarise the   Pauline Oh
                                           nurses with the clinic space and      Senior Nurse Manager,
                                                                                 CTICU, NUHCS
     “For me, it was an exciting chal-     workflow to prepare them for
     lenge but inevitably I had some       emergencies and allow them to         Ms. Oh embarked on
                                                                                 her nursing career with NUH
     apprehension about working in a       respond quickly when needed           in 1992 before progressing
     new workplace and fitting in with     whilst ensuring that the hospi-       to join the specialised care
                                                                                 team at NUHCS as a critical care trained nurse
     the team,” shared Ms. Ei Phyu Sin.    tal’s protocols were adhered to.      in CTICU. Presently as a Senior Nurse Manager,
                                                                                 she oversees a team of highly trained nurses in
                                                                                 CTICU, managing post cardiac surgical patients
     While hospital operations are         What became apparent was the          and those requiring ECMO. She also oversees
     centred on patient safety, there      medical personnel’s commit-           ECMO training and competencies for the nurses
                                                                                 in CTICU and the paediatric intensive care unit as
     were slight differences in hospital   ment to patient care despite hav-     well as for the respiratory therapists.

14
PULSE | ISSUE 35 | COVID-19 SPECIAL

M
        s. Ter Ying Ying, SSN II, CTICU,   Q: How does caring for Covid-19 patients differ from your
        NUHCS is an ECMO-trained           usual work scope?
        nurse and is an active mem-           There are different things to look out for. Covid-19
ber in the CTICU Unit Practice Coun-          patients often have more complex medical
cil (UPC). She has worked in CTICU            comorbidities and issues compared to our usual post-
for the last seven years where she            operative patients. There are also tighter infection
works with intensivists and the sur-          control measures that we need to follow.
gical team to provide immediate
post-operative care for patients.          Q: Could you describe your deployment experience?
                                              It was an opportunity for me to pick up other skills,
She was also one of the nurses de-            such as the respiratory management of patients,
ployed to NCID in March 2020. Here,           which I could bring back to NUHCS. I reviewed my
Ms. Ter spoke with us candidly about          own approach in caring for patients and realised how
her deployment in a pandemic…                 simple gestures such as moving the patient’s bed closer
 ARTICLE BY
                                              to glass doors help patients and their families connect
NUHCS Pulse Editorial                         whilst being in intensive care. This makes a significant
                                              difference for both the patients and their families.

                                           Q: How do you feel being a frontline healthcare worker
                                           during this pandemic?
                                              The health and care of my elderly parents were the
                                              first issues that came to mind. I had to be sure my
                                              work would not be putting them at risk. Once that was
                                              settled, I have always been confident in our healthcare
                                              system about implementing the appropriate measures.
                                              As a trained professional, the care of our patients
                                              remain our top priority. Our team quickly updated
                                              ourselves with the latest guidelines and adjusted to
                                              the new protocols to ensure a safe environment for our
                                              patients and ourselves. It is an honour to be able to play
                                              a role in this pandemic.

                                           Q: Are there any challenges that you have faced during
                                           your course of work?
Having worked in
                                              Having to quickly adapt to a new workplace as well as
the intensive care
                                              learn the different approaches to patient management
unit meant we were                            has been challenging. Thankfully, I have the support and
uniquely trained and                          guidance of my new colleagues during my deployment.
prepared for such a
scenario. For that                         Q: What is one takeaway that you have gained from this
reason, I consider it                      experience?
a privilege for being                         The most important takeaway for me will be the
able to play a role in                        friendship with my new colleagues. It has been a true
this pandemic.                                honour to work together in this fight!
Ms Ter Ying Ying, SSN II, CTICU,
NUHCS
                                                                                                           15
PULSE | ISSUE 35 | COVID-19 SPECIAL

     A PANDEMIC                                                        Cardiac rehabilitation is not
                                                                         just home-based exercises.

     TRANSFORMS                                                             It is evidence-based and
                                                                        helps cardiology care teams

     CARDIAC                                                            monitor the progress of our
                                                                                      patients’ health

     REHABILITATION
                                                                                      Dr. Wang Yi Ting Laureen, Associate
                                                                             Consultant, Department of Cardiology, NUHCS

     Delivering cardiac rehabilitation remotely
     “Please don’t postpone my           teams to explore and identify        The technological approaches
     heart rehab programme,” a pa-       solutions that can be rapidly im-    implemented during this pan-
     tient recently diagnosed with       plemented to prevent patients’       demic is a leap forward in cardi-
     coronary artery disease pleaded     deterioration in health.             ac rehabilitation and should be
     in an email, shortly after Singa-                                        further developed to transform
     pore announced the first few        Present day technology has al-       and increase patient engage-
     cases of Covid-19 transmission      lowed National University Heart      ment, and promote cardiovas-
     within the local community.         Centre, Singapore (NUHCS) to         cular prevention in a sustaina-
                                         provide cardiac rehabilitation to    ble way.
     Since then, change has been the     patients with relative ease and
     only constant.                      quick implementation. Being          Cardiac rehabilitation is a mul-
                                         able to do so was especially re-     ti-disciplinary, innovative yet
     Amongst the flurry of changes,      assuring as patients with cardi-     structured and evidence-based
     hospitals and medical facilities    ovascular diseases had shown         programme to help patients
     too are moving to respond to        to have poorer outcomes with         stay on track in improving and
     the pandemic. This meant that       Covid-19.                            monitoring their cardiovascular
     elective appointments and pro-                                           health. This is especially so in a
     cedures including cardiac reha-     The team at NUHCS looked at a        long-drawn pandemic, where
     bilitation need to be relegated     combination of options includ-       this virus infection can result in
     to free up resources for emer-      ing wearable trackers, phone         the destabilisation of pre-exist-
     gency patients that are expect-     apps, mobile chat groups, video      ing cardiac conditions.
     ed to increase significantly in a   conferencing and social media
     pandemic.                           to reach patients in a lockdown,      ARTICLE BY
                                         overcoming even the barriers         Dr. Wang Yi Ting Laureen
     While most people worry about       faced during traditional cardi-      Associate Consultant,
                                                                              Department of Cardiology,
     their exposure to SARS-CoV-2,       ac rehabilitation. The team’s        NUHCS
     many who are sick and in the        findings and recommendations
                                                                              Dr. Wang is a practising
     midst of their treatment are        have since been compiled and         clinician in cardiology and
     rightfully worried about missing    recently published in the Euro-      internal medicine at NUHCS and
                                                                              Alexandra Hospital, Singapore. Dr Wang is also
     their medical follow-up. As such,   pean Journal of Preventive Car-      active in preventive medicine for chronic diseases
     this pandemic has created an        diology.                             and women's heart health issues.
     impetus for all cardiology care
16
PULSE | ISSUE 35 | COVID-19 SPECIAL

                 LEARNING CONTINUES
                 EVEN IN A PANDEMIC
                            An opportunity to reshape medical education
With no vaccine in sight, public       session, a report is generated          In fact, this platform can be fur-
health measures including physi-       which captured the attendance           ther expanded to include more
cal distancing are critical in slow-   of participants, making it easy         participants from all over the
ing the transmission and spread        for course administrators to track      world as long as they have a sta-
of Covid-19. This inadvertently        and record the CME progress of          ble internet connection and a
presented an opportunity to try        each participant.                       working device.
new ways of working when the
usual cannot happen.                   Conducting CME virtually cer-           p.s. Mobile phones work too. Just
                                       tainly has its benefits – it is more    imagine the possibilities!
For the first time, the National       convenient for participants to
University Heart Centre, Singa-        join in the sessions and reduces
pore (NUHCS) team conducted            redundancy in organising repeat          ARTICLE BY

Continued Medical Education            sessions for those who are una-         Asst. Prof. Yeo Wee Tiong
                                                                               Senior Consultant,
(CME) sessions in the virtual          ble to attend in-person sessions.       Department of
space through Zoom’s video con-                                                Cardiology, NUHCS

ferencing platform to avoid un-        Live video conferencing has al-         Asst. Prof. Yeo is one of few
necessary human contact.               lowed our dispersed medical             electrophysiologists with
                                                                               experience in adult congenital
                                       professionals in different hospi-       heart disease arrhythmia management following
The platform was intuitive and         tals, specialty centres, medical        his fellowship at the Royal Brompton Hospital
                                                                               in the UK, and is a certified Electrophysiology
user-friendly – course presenta-       centres, clinics as well as aca-        specialist by the European Heart Rhythm
tion was done easily where pre-        demic institutions located island       Association (EHRA). He is active in undergraduate
                                                                               and postgraduate medical education as Assistant
senter can mark out notes and          wide to come together, albeit vir-      Professor at the Yong Loo Lin School of Medicine,
                                                                               National University of Singapore and Programme
communicate with participants          tually, be connected and aligned        Director of the Cardiology Senior Residency
in real time through video chat        on the latest medical updates           Programme.
or text messaging functions built      and progress.
into the platform. After each
                                                                                                                                   17
PULSE | ISSUE 35 | COVID-19 SPECIAL

     CONQUER                                                         Everyone around me is

     THE FEAR
                                                                     contributing in his or her
                                                                     own way in this unified battle
                                                                     against an unknown disease.
                                                                     Asst. Prof. Ramanathan K.R.,
     Supporting Covid-19 patients in critical care                   Senior Consultant, CTVS, NUHCS

     The closure of state borders         For his part, Asst. Prof. Ramana-    measures when sending investi-
     and strict movement controls in      than K.R., Senior Consultant,        gations such as double bagging
     response to the Covid-19 pan-        Department of Cardiac, Thorac-       and transporting specimen in a
     demic hampered the ease and          ic and Vascular Surgery (CTVS),      special box to the laboratories
     speed of information exchange,       National University Heart Cen-       by hand.
     crucial in gathering evidence to     tre, Singapore (NUHCS) outlined
     develop public health interven-      key considerations on infection      On Singapore’s Preparedness
     tions.                               control measures during ECMO         “It is a real privilege to contrib-
                                          such as the ideal personal pro-      ute and be a part of Singapore's
     With haste, the medical and sci-     tective equipment (PPE) to be        healthcare set up that is the cy-
     entific communities turned to        used, the feasibility of remote      nosure of the world's eyes for its
     the virtual space to exchange        monitoring and control during        preparedness, ability to tackle
     and gather critical knowledge        ECMO runs as well as the nec-        and train and come out with
     and information in managing          essary inter-hospital and/or         solutions,” remarked Asst. Prof.
     the Covid-19 pandemic, relying       intra-hospital transport of Cov-     Ramanathan.
     on video conferencing software       id-19 ECMO patients.
     and even social media plat-                                               Being part of Singapore’s Min-
     forms.                               “Understandably, the sudden          istry of Health (MOH) National
                                          situation has caused a bottle-       ECMO Services Advisory Work-
     Sharing Singapore’s Experience       neck shortage in medical sup-        group, Asst. Prof. Ramanathan
     Globally                             plies and hence, hospitals will      contributes to the nation’s
     On 20 March 2020, the Extracor-      need to evaluate their available     pandemic response and man-
     poreal Life Support Organisation     resources and formulate their        agement such as streamlining
     (ELSO) held the first of a webinar   own guidelines which will differ     ECMO criteria to manage hospi-
     series to exchange global experi-    across medical centres,” said        tals’ limited capacities.
     ences in managing Covid-19 pa-       Asst. Prof. Ramanathan weigh-
     tients on extracorporeal mem-        ing in during the question and       Furthermore, an article high-
     brane oxygenation (ECMO) and         answer session.                      lighting the importance of ECMO
     to address concerns such as the                                           preparedness and pandemic
     preparations required to cope        Without conclusive evidence on       action plan during outbreaks
     with the surge in demand whilst      how the virus spreads, he further    of emerging infectious diseas-
     addressing limited healthcare        recommended medical centres          es has since been published in
     capacities.                          to undertake precautionary           the March 2020 edition of The

18
PULSE | ISSUE 35 | COVID-19 SPECIAL

                                                                                               EXTRACORPOREAL
                                                                                               LIFE SUPPORT
                                                                                               ORGANISATION
                                                                                               (ELSO)
Lancet Respiratory Medicine ti-      Nonetheless, the specially                         ELSO is an international
                                                                                        non-profit consortium of
tled “Planning and provision of      trained ECMO and MICU team                         health care institutions ded-
ECMO services for severe ARDS1       worked tirelessly day and night,                   icated to the development
during the Covid-19 pandemic         tracking his progress and nursed                   and evaluation of novel ther-
and other outbreaks of emerg-        him back to health, until the pa-                  apies for support of failing
ing infectious diseases”.            tient was finally explanted and                    organ systems. To facilitate
                                                                                        knowledge sharing, ELSO has
                                     eventually discharged from the                     set up a free dedicated online
When fighting against an un-         hospital. This was after many                      resource for medical centres
known virus, Asst. Prof. Ramana-     days in intensive care.                            managing Covid-19 patients
than described some moments                                                             with updates on the latest sci-
of helplessness where the med-       It was a tear-jerking moment for                   entific data, clinical manage-
                                                                                        ment guidelines and to facili-
ical team could do nothing but       the patient and his family. His re-                tate discussions on managing
hope for the patient to over-        covery came as a much needed                       ECMO in Covid-19 patients.
come the disease on his own.         morale booster for the medical
                                     teams and motivated everyone
He recounted an experience           to persevere and overcome the            1
                                                                               ARDS – Refers to acute respiratory distress
when one of the Covid-19 pa-         daily challenges they were fac-          syndrome which is a life-threatening lung injury
                                                                              which causes the lungs to be filled with liquid
tients had to be put on ECMO         ing with another Covid-19 ECMO           and prevents oxygen from reaching the blood,
and cared for in the Medical In-     patient who had been in inten-           eventually causing organ failure if not treated.

tensive Care Unit (MICU) at NUH.     sive care for more than 70 days.
                                                                                  ARTICLE BY

It was especially heart-wrench-      Sharing advice with other                Asst. Prof. Ramanathan K.R.
                                                                              Senior Consultant, CTVS,
ing when the medical team had        healthcare colleagues working            NUHCS
to inform the patient’s family       in this pandemic, Asst. Prof. Ra-
                                                                              Asst. Prof. Ramanathan
that their only breadwinner was      manathan said, “Be safe. There           is an adult cardiac intensivist
fighting for his life. Worse, they   are no emergencies in an out-            instrumental in educating
                                                                              medical students and professionals in
could not share much about           break. Make sure you take care           intensive care medicine and extracorporeal
the patient’s prognosis since        of yourself. Never let the fear          life support through his leadership positions
                                                                              within ELSO in US, Bond University
the global data on outcomes of       of the disease conquer you. I            in Australia and Singapore’s National
ECMO in Covid-19 patients were       am sure we will overcome this            University Hospital and Yong Loo Lin
                                                                              School of Medicine, National University of
limited then.                        phase.”                                  Singapore. He currently sits in the National
                                                                              ECMO Services Advisory Workgroup under
                                                                              Singapore’s MOH and remains committed
                                                                              to research programmes involving post-
                                                                              operative care and extracorporeal support.

                                                                                                                              19
PULSE | ISSUE 35 | COVID-19 SPECIAL

     FROM THE
                                                                                                       Ms. Audrey Leong, Clinical
                                                                                                       Research Coordinator, NUHCS

     SCENE OF
     THE DORMS
     Volunteers share their experiences
     working at foreign workers' dormitories

     W
             hen dormitories were        usually performing vascular
             identified as outbreak      scans, cardiovascular research
             clusters during the         studies co-ordinators as well
     Covid-19 pandemic in Singa-         as the essential services daily
     pore, more help was required to     operations staff from NUHCS
     support the largescale testing      were amongst the many who
     and monitoring of the health of     voluntarily raised their hands to
     hundreds of migrant workers         be part of this team.
     who lived in these dormitories.
                                         This required their willingness                         Ms. Cristine Araral, Medical Technologist, NUHCS

     The largest dormitory in            to perform duties outside of
     Singapore, Sungei Tengah Lodge      their job descriptions, having to
     which has 10 blocks and could       change their work routines and
     house up to 25,000 residents had    don an uncomfortable attire
     one of the heaviest burden of       to swelter in the mid-day sun
     Covid-19 infections.                continuously for days until the
                                         situation is stabilised.
     National University Heart Centre,                                                                      Mr. Alvin Tay, Asst. Director, Operations
                                                                                                            and Administration, NUHCS
     Singapore (NUHCS) assembled
     a mobile medical team
     despatched to the dormitory          ARTICLE BY
     to provide the medical support
     required. Beyond nurses and
                                         Dr. Koo Chieh Yang
                                         Christopher                                          It’s incredibly
     doctors at the frontline, there
                                         Associate Consultant,
                                         Department of
                                                                                              commendable that
     were many other members who         Cardiology, NUHCS                                    a number of our
     made up the team.                   Dr. Koo is presently an                              colleagues stood up
                                         Associate Consultant at NUHCS
                                         having completed his cardiology training in
                                                                                              to help out during
     Echocardiography technicians        2018 and concurrently obtained his Master of         this pandemic when
     who perform ultrasound scans of     Clinical Investigation. His research interests
                                         are focused on coronary artery disease and           most people are
     the heart, diagnostic laboratory
     technicians who perform stress
                                         examines the effects of sleep-disordered
                                         breathing on cardiovascular disease. Presently,      fearful of the virus.
                                         he is also investigating the effects of cancer and   Dr. Koo Chieh Yang Christopher,
     testing, laboratory technicians     cancer treatment on the cardiovascular system.
                                                                                              Associate Consultant, Department
                                                                                              of Cardiology, NUHCS

20
PULSE | ISSUE 35 | COVID-19 SPECIAL

M
        s. Maridel de Castro, Princi-                      1. Why did you choose to volunteer at the dormitories?
        pal Medical Technologist at                           This is the best time to show our unity as a nation.
        NUHCS, was one of the volun-                          There was an urgent need for skilled medical staff to
teers who headed to the dormitories                           head out and help so naturally I volunteered as I am
to support routine testing efforts on                         familiar with the required procedures.
the ground as part of public health
efforts to contain the outbreak.                           2. Could you describe your job at the dormitories?
                                                              I helped with isolation rounding and manning the
She usually works in the cardiac                              medical post. I also supported in administrative
catheterization laboratory where                              duties such as assisting doctors in registering patients,
she assists doctors in ballooning and                         checking their documentation, screening, taking vital
stenting of the blood vessels as part                         signs and triaging patients for fever and any acute
of various diagnostic tests required                          respiratory infection symptoms. After which, the data
by cardiologists in the diagnosis and                         is being recorded in a master list.
treatment of patients.
                                                           3. How has the experience been like for you?
Here, she shares candidly about her                           It was challenging because we are working in a
volunteer experience…                                         makeshift environment that is different from the
 ARTICLE BY
                                                              comfortable set-up you have in a hospital. Wearing
NUHCS Pulse Editorial                                         a full gear of personal protective equipment (PPE)
                                                              also makes it uncomfortable after a few hours in our
                                                              humidity.
                                                              Yet, the job has been very fulfilling as we got to
                                                              interact with patients and we can see that the workers
                                                              are grateful. It has been reassuring for them to know
                                                              that they are not left out in our pandemic battle.
                                  Ms. Maridel de Castro,
                                  Principal Medical           For me, I got to be part of a working team and made
                                  Technologist, NUHCS
                                                              new friends who are equally passionate about their
                                                              jobs and helping people.
                                                           4. What are your thoughts of being a healthcare worker
                                                              at the frontline during this pandemic?
                                                              While we worry about our heightened exposure to
              Ms. Maricris Navarro,
              Senior Medical                                  the virus, it is also gratifying to be helpful and be part
              Technologist, NUHCS                             of a national effort to keep people safe. This will be an
                                                              extra busy period and as tired as we are, all of us are
                                                              forging on and looking forward to the rainbow after
                                                              the storm.
                                                           5. Is there anything you would like to say to the people
                                                              who have been affected by this virus?
                                                              Don’t be afraid and don't give up! Stay strong and
                                                              positive! Everyone has a part to play during this
                                                              pandemic. By staying home and abiding the health
                                                              advisories, we can reduce the number of infections.

                                                                                                                           21
PULSE | ISSUE 35 | COVID-19 SPECIAL

     FULL
     SPEED
     AHEAD
     In a race against time to set up Tuas South Community Care Facility
     Singapore has a robust system        of care across the different fa-      The first patient was received
     of care for Covid-19 patients        cilities and to meet the needs of     on 16 May 2020. Since then, the
     that is tiered according to their    patients.                             facility has received over 2,400
     healthcare needs. Patients are                                             patients. This was only possible
     triaged1 into appropriate med-       Dr. Lim Yinghao, Associate Con-       with the dedication of all parties
     ical facilities such as Commu-       sultant, Department of Cardiol-       in surmounting the numerous
     nity Care Facilities (CCFs) and      ogy, National University Heart        challenges and tight timeline.
     Community Recovery Facilities        Centre, Singapore (NUHCS) was         1
                                                                                 triage – The process of prioritising patients
     (CRFs) to avoid overwhelm-           tasked with setting up the Tuas       based on their need for medical attention.
     ing limited resources in the         South CCF in end April 2020 to
     hospitals.                           cater to the needs of Covid-19
                                          patients in the early phase of
     Most patients picked up by           their illness. There were already                 I am grateful for the
     testing, present with mild or        more than 15,000 cases of Cov-                  support and guidance
     no symptoms and they usu-            id-19 patients in Singapore by                    of all colleagues and
     ally recover with minimal in-        then, and there was a pressing                   mentors, and for the
     tervention. These patients are       need for additional CCF beds.
                                                                                             opportunity to lead
     generally admitted to a CCF for
     monitoring and review. Patients      Medical       and     non-medical
                                                                                                  this endeavour.
                                                                                       Dr. Lim Yinghao, Associate Consultant,
     who remain well would then be        personnel from diverse back-                      Department of Cardiology, NUHCS
     transferred to a step-down CRF       grounds were brought togeth-
     at a later phase of their illness    er to focus on this tasking. The          ARTICLE BY

     for further recovery prior to dis-   facility had to be set-up with        Dr. Lim Yinghao
     charge back to the community         appropriate equipment, and            Associate Consultant,
                                                                                Department of Cardiology,
     or dormitories.                      processes and workflows had           NUHCS
                                          to be designed. Medical and           Dr. Lim is presently an
     To support these complex oper-       non-medical volunteers work-          Associate Consultant at
                                                                                NUHCS. He is the course
     ations, Singapore’s healthcare       ing at the facility had to undergo    co-director for the Chia Boon Lock Cardiology
     workforce was tapped upon and        strict training to ensure the safe-   Review Course and the Cardiology PACES Course.
                                                                                His interests are in the fields of pulmonary
     deployed to the various facilities   ty of patients and themselves.        hypertension, structural heart disease as well as
     to provide an appropriate level                                            medical and device innovation.

22
PULSE | ISSUE 35 | EVENT

WINNING
GOLD
Youths researched on experimental
heart surgery for showcase at fair
Three students from NUS High         Utilising a cardiopulmonary
School of Mathematics and            bypass machine1, they flushed
Science undertook a research         water with neutral buoyancy
project for their submission         particles into the left ventricle
at the Singapore Science and         of an explanted swine heart to
Engineering Fair 2020 where          simulate hemodynamic flow.
budding scientists and engineers     With a cardioscope2, the team        (A) Cardioscopy Snapshot of Particle
compete to showcase their            observed the mitral apparatus        Movement at Respective Valves
                                                                          (B) Traced Outline of Particle Trajectory at
passion in these fields.             and used tracking software to        Respective Valves.
                                     map out the left ventricle's flow    A1, B1: Native valve,

Granted the opportunity to           pattern with various heart valves.   A2, B2: Medtronic Open Pivot Mechanical
                                                                          Valve and
work with the team at the                                                 A3, B3: Medtronic Mosaic Bioprosthetic Valve

National University of Singapore     After much analysis, the students
(NUS) Cardiac Surgery Lab, the       observed that prosthetic valves      1
                                                                           cardiopulmonary bypass machine – A machine
                                                                          that provides a bloodless field for cardiac
students – Ms. Tay Qi Ying, Mr.      were more disruptive, with the       surgery by taking over the function of the heart
Poon Cheng Jun and Ms. Sashew        mechanical valve having a more       and lungs by maintaining the circulation of
                                                                          blood and oxygen during a surgery.
Chew, collaborated with Mr.          disruptive flow pattern compared     2
                                                                           cardioscope – A tube-like instrument that is
Ong Zhi Xian, undergraduate          to the bioprosthetic valve3. Their   inserted into the heart through an incision with a
                                                                          tiny camera at the end which allows the operator
from Yong Loo Lin School of          observations affirmed previous       to see the interior of the heart projected onto a
Medicine, National University        findings that mechanical valves      screen.
of Singapore (NUS) to discover       have a higher risk of complication   3
                                                                           bioprosthetic valve – Manufactured from swine
                                                                          heart valves or bovine pericardium which has
more about mitral valves             than bioprosthetic valves.           been harvested, cleaned and processed as a
under the supervision of Dr. Md                                           biomaterial.

Faizus Sazzad, Research Fellow,      The team's research findings have        ARTICLE BY
Department of Cardiac, Thoracic      been captured in their paper,        A/Prof. Theodoros Kofidis
and Vascular Surgery, Yong           “Cardioscopic Evaluation and         Head and Senior Consultant,
                                                                          Department of CTVS, NUHCS
Loo Lin School of Medicine,          Qualitative Estimation of Mitral
NUS. Dr. Sazzad is a plethoric       Apparatus in A Quasi-Dynamic         A/Prof. Kofidis is recognised
                                                                          for his innovative surgical
research fellow and innovator        State in An Ex-Vivo Swine Heart      discoveries focused on less
who is part of the team under        Model”, published in the Journal     traumatic heart surgery. His
                                                                          passion in this area led to his founding of the
A/Prof.   Theodoros       Kofidis,   of Biomedical Engineering and        Initiative for Research & Innovation in Surgery
Head and Senior Consultant,          Research in April 2020.              (IRIS). He continues to present his work at
                                                                          numerous international conferences as well
Department of Cardiac, Thoracic                                           as lead training workshops for medical teams
and Vascular Surgery (CTVS),         Needless to say, the team walked     around the world. He actively contributes to
                                                                          the industry through his multiple concurrent
National University Heart Centre,    away with the Gold Award at the      appointments held globally. He remains active
Singapore (NUHCS).                   fair and, an even brighter future    in research with many published works, a
                                                                          number of patents, and sits on the editorial
                                     ahead.                               review board for a number of scientific journals.

                                                                                                                               23
PULSE | ISSUE 35 | EVENT

               Floral
                Fantasy
                           ANNUAL DI NNER
                           & DANCE 2020

24
PULSE | ISSUE 35 | EVENT

  N
          ational     University             passionate rendition of pop
          Heart Centre, Singa-               song classics.
          pore (NUHCS) got to-
    gether on 17 January 2020 at             During the contest segment,
    the Regent Singapore for its             Asst. Prof. Low Ting Ting,
    eagerly awaited Annual Din-              Consultant and Asst. Prof.
    ner and Dance.                           Chai Ping, Head and Senior
                                             Consultant, Department of
    With the theme of “Floral                Cardiology, NUHCS won the
    Fantasy”, more than 400 staff            Best Dressed prizes with their
    turned up dressed in their               spontaneous catwalk perfor-
    picture-perfect interpretation           mances.
    of the theme and took many
    pictures with the fantastical            It was a night to remember
    garden props in the reception            as everyone clearly had fun,
    area.                                    dancing on the floor after din-
                                             ner till late.
    The evening was not short of
    entertainment with a slew of             NUHCS Annual Dinner and
    performances which starred               Dance 2020 would not have
    talents from NUHCS as well.              been possible without the
                                             planning and support from
    Led by Advanced Practice                 the Operations and Admin-
    Nurse Juvena Gan, the nurs-              istration department, in par-
    es performed an energetic                ticular Ms. Christina Ng and
    song and dance number that               Ms. Juliette Lim.
    was both captivating and hu-
    morous, while the Cardiolo-              Cheers to another great year
    gy Senior Residents staged a             ahead at NUHCS!

 ARTICLE BY

Asst. Prof. Devinder Singh                    Dr. Lim Yinghao
Director of Cardiac                           Associate Consultant,
Informatics and Senior                        Department of
Consultant, Department of                     Cardiology, NUHCS
Cardiology, NUHCS
                                              Dr. Lim is presently an
Asst. Prof. Singh has keen                    Associate Consultant at
interests in clinical cardiology,             NUHCS. He is the course co-director for
cardiac rhythm disorders (arrhythmia),        the Chia Boon Lock Cardiology Review
cardiac pacing (including cardiac             Course and the Cardiology PACES Course.
resynchronization therapy) and cardiac        His interests are in the fields of pulmonary
magnetic resonance imaging. He performs       hypertension, structural heart disease as
electrophysiology study and radiofrequency    well as medical and device innovation.
ablation of cardiac arrhythmias. He also
implants pacemakers and defibrillators.
Before joining NUHCS, he was an Associate
Consultant in the cardiac department at
Khoo Teck Puat Hospital.

                                                                                             25
PULSE | ISSUE 35 | EVENT

     A HEARTY
     PARTY TO                                                                         CARING HEARTS SUPPORT
                                                                                               GROUP (CHSG)

     WARM HEARTS
     Caring Hearts Support Group Annual Year End Party 2019
                                                                            Interested readers who wish to join CHSG
                                                                                   may write to mchia@kucinta.com

     Caring Hearts Support Group        walks,      educational    talks,    Our annual party serves as
     (CHSG) closed 2019 with its        exercise sessions, networking        an informal way to affirm
     annual year end party on 29        sessions, social get-together        and encourage members to
     December with heartfelt home-      and community engagement             continue with our inspiring
     cooked meals and merriment to      events are organised on a            work whilst bringing long-time
     warm all heart patients.           regular basis aimed at helping       collaborators and friends from
                                        patients maintain a healthy          NUHCS and Singapore Heart
     CHSG is a voluntary initiative     heart but to also help them          Foundation (SHF) together for a
     organised by patients of the       understand about their hearts to     heart-warming year end party.
     National     University   Heart    empower them to take charge of
     Centre, Singapore (NUHCS)          their health. Where applicable,      As the year closed, every smile
     and established with the aim       activities are conducted online.     was returned, every friendship
     to support patients in their                                            re-affirmed, every heart touched
     journey to remain heart healthy.   CHSG plays a pivotal role            and warmed, as members
     Through CHSG’s regular out-        in supporting patients post          pledged to embody our motto,
     reach and engagement, patients     treatment at NUHCS. For some         “Caring Begins With Me”.
     have found meaningful support      patients, getting back to their
     and companionship.                 normal daily lives may take           ARTICLE BY

                                        longer than expected and the         Ms. Magdalene Chia
                                                                             Programme Coordinator,
     Membership is free and             journey to full recovery could be    CHSG
     open to any cardiovascular         difficult or depressing.
                                                                             Magdalene Chia is a patient
     patient of NUHCS who have                                               of NUHCS and a Volunteer
     completed their basic cardiac      Hence, CHSG hopes to inspire         Member of CHSG. Together
                                                                             with CHSG members, she helps lead CHSG with
     rehabilitation at the NUHCS        and motivate patients through        meaningful activities and steer CHSG forward
     Heart Rehab Centre. Activities     caring for one another.              to bring forth positive changes to heart patient
                                                                             members’ lives. Her passion in CHSG is to spread
     and events such as monthly                                              care and kindness to all whom the Group meets.
26
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