Primary Health Care and Public Health: Foundations of Universal Health Systems
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Review Med Princ Pract Received: June 22, 2014 Accepted: November 27, 2014 DOI: 10.1159/000370197 Published online: January 9, 2015 Primary Health Care and Public Health: Foundations of Universal Health Systems Franklin White Pacific Health & Development Sciences Inc. and School of Public Health and Social Policy, University of Victoria, Victoria, B.C., and Department of Community Health and Epidemiology, Dalhousie University, Halifax, N.S., Canada Key Words needs with equity (universality, accessibility and affordabil- Health systems · Primary health care · Public health · ity). Finally, public health and primary health care are the Universality · Program integration · Social-ecological cornerstones of sustainable health systems, and this should model · Professional education · Policy · Planning · Human be reflected in the health policies and professional educa- resources tion systems of all nations wishing to achieve a health sys- tem that is effective, equitable, efficient and affordable. © 2015 S. Karger AG, Basel Abstract The aim of this review is to advocate for more integrated and universally accessible health systems, built on a foundation Introduction of primary health care and public health. The perspective outlined identified health systems as the frame of reference, This review is for two main audiences: clinicians and clarified terminology and examined complementary per- health care decision makers, two groups so focused on spectives on health. It explored the prospects for universal patient care and the administrative and financial chal- and integrated health systems from a global perspective, the lenges of illness management that they may overlook why role of healthy public policy in achieving population health people become ill in the first place, why they often present and the value of the social-ecological model in guiding how with advanced disease, why so many lack social support best to align the components of an integrated health service. for their care, and what could be done to enhance their The importance of an ethical private sector in partnership health prospects. The aim is to advocate for more inte- with the public sector is recognized. Most health systems grated and universally accessible health systems, building around the world, still heavily focused on illness, are doing on a sound foundation of primary health care (PHC) and relatively little to optimize health and minimize illness bur- public health (PH). The underlying rationale is the reality dens, especially for vulnerable groups. This failure to im- that health is mostly made in homes, communities and prove the underlying conditions for health is compounded workplaces, and only a minority of ill-health can be re- by insufficient allocation of resources to address priority paired in clinics and hospitals [1]. 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization © 2015 S. Karger AG, Basel Franklin White 1011–7571/15/0000–0000$39.50/0 Pacific Health & Development Sciences Inc. PO Box 44125 – RPO Gorge Downloaded by: E-Mail karger@karger.com This is an Open Access article licensed under the terms of the Victoria, BC V9A7K1 (Canada) www.karger.com/mpp Creative Commons Attribution-NonCommercial 3.0 Un- E-Mail fwhite.pacificsci @ shaw.ca ported license (CC BY-NC) (www.karger.com/OA-license), applicable to the online version of the article only. Distribu- tion permitted for non-commercial purposes only.
Most health systems around the world remain heavily All health systems, to be effective and efficient, must focused on illness and do relatively little to optimize rest on strong foundations: first among these are prop- health and thereby minimize the burden of illness, espe- erly designed and adequately funded and recognized cially for vulnerable groups [2, 3]. Failure to improve the components for PH and PHC. However, in many coun- underlying conditions for health is compounded by in- tries, these components are insufficiently developed, sufficient allocation of resources to address priority needs mirrored in inappropriate resource allocations across the with equity (universality, accessibility and affordability). health sector and with insufficient attention to the un- Instead, when engaged in public debate on health care, derlying health determinants. These flaws in health pol- jurisdictions tend to focus on high-cost items that preoc- icy and management result in suboptimal health out- cupy administrators. This short-sighted focus overlooks comes at the population level and are associated with de- ‘upstream factors’: health-promoting environments and ficiencies in related professional education and advanced workplaces, primary prevention, e.g., nutrition educa- training. Indeed, few nations have targeted higher educa- tion, immunization, antenatal care, physical activity, tion as a strategic element for improving population smoking prevention, and social policies that influence lit- health, compounded by the fact (important to develop- eracy, employment, crime, housing quality, and commu- ing countries) that few development agencies have en- nity well-being. In particular, there is a global need to im- gaged institutions of higher education as strategic part- prove the response to the surging chronic disease burden. ners [6]. Research indicates that much of this burden is prevent- An insightful study of low- and middle-income coun- able by acting on modifiable behaviors, e.g., smoking, fit- tries that achieve good health outcomes at modest cost ness, weight control; and about half of those who do de- (Bangladesh, Ethiopia, Kyrgyzstan, Tamil Nadu, and velop these conditions can be prevented from progressing Thailand) has recently revealed 4 underlying determi- to complicated forms through attention to secondary pre- nants that drive successful health systems [7]. These are vention by identifying and engaging in early intervention (1) capacity: the key role of individuals and institutions in for persons at risk, e.g., blood pressure screening and glu- designing and implementing reforms; (2) continuity: the cose monitoring. However, many decision makers re- stability required for reforms to be implemented, and the main preoccupied with acute-care issues, crisis-prone yet institutional memory that prevents mistakes from being glamorized, even overlooking important ‘downstream repeated; (3) catalysts: the ability to make use of windows considerations’, e.g., long-term care, home care, whose of opportunity, and (4) contexts: policies relevant and ap- availability determines the speed with which acute-care propriate to circumstances. The study also identified the patients may move to more appropriate levels of care. critical role of access to PHC, especially antenatal care and skilled birth attendants, and the high uptake of criti- cal PH interventions: immunization, oral rehydration for Health Systems as the Frame of Reference diarrheal disease and modern contraception. The impor- tance of sustained political support for health, a skilled A health system comprises all organizations, institu- health workforce, a high degree of community involve- tions and resources whose primary intent is to improve ment, and health-promoting polices that go beyond the health. In most countries, the health system is recognized health sector was emphasized. to include public, private and informal sectors [4]. While the World Health Organization (WHO) emphasizes eco- nomic, fiscal and political management systems that un- Terminology in Context derpin formally organized health services, it also recog- nizes the informal sector; this consists of self-help and The terms ‘primary health care’ and ‘public health’, in care by families and communities, and the role of infor- common use, may carry different (often imprecise) mean- mal and traditional practitioners [5]. Health systems are ings depending on context and perspective. In fact, many about more than patient care: they attend to why people published studies into PHC do not even define it, leaving become ill in the first place, and foster health-promoting it up to the reader to interpret. For example, one literature environments, and sound preventive practices. Implicit search of >2,000 studies into PHC discovered that 46% within the WHO approach is that nations must design did not include a definition [8]. Such an approach is un- and develop such integrated systems in accordance with scientific and renders systematic review problematic. For their needs and resources. the purpose of this review, two definitions are recognized: 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization 2 Med Princ Pract White DOI: 10.1159/000370197 Downloaded by:
the first is profession-centred, while the second, devel- and the family, while equally so for PH agencies to ad- oped by the WHO, takes a societal perspective [9]. dress issues in terms of defined populations or society as a whole. Together, along with the roles of other entities Defining PHC such as community-based organizations, they contribute (1) Health or medical care that begins at time of first con- much of what can ultimately be considered PHC in its tact between a physician or other health professional fullest sense. So what then is ‘public health’? and a person seeking advice or treatment for an illness or an injury. Defining PH (2) Essential health care made accessible at a cost that a (1) PH is society’s response to threats to the collective country can afford, with methods that are practical, health of its citizens. PH practitioners work to enhance scientifically sound and socially acceptable. Everyone and protect the health of populations by identifying should have access to it and be involved in it, as should their health problems and needs, and providing pro- other sectors of society. It should include community grams and services to address these needs [13]. participation and education on prevalent health prob- (2) PH is the art and science of promoting and protecting lems, health promotion and disease prevention, provi- good health, preventing disease, disability and prema- sion of adequate food and nutrition, safe water, basic ture death, restoring good health when it is impaired sanitation, maternal and child health care, family plan- by disease or injury, and maximizing the quality of life. ning, prevention and control of endemic diseases, im- PH requires collective action by society, collaborative munization against vaccine-preventable diseases, ap- teamwork by nurses, physicians, engineers, environ- propriate treatment of common diseases and injuries, mental scientists, health educators, social workers, nu- and provision of essential drugs. tritionists, administrators and other specialized pro- While both PHC definitions are in common use, the fessional and technical workers, and an effective part- ‘profession-centered’ one is usually taken to imply only nership with all levels of government [14]. ‘clinical contact’; it ignores the role of family members as first-line caregivers and accords no role to communities in addressing health [10]. It is only a partial definition The Alma Ata Declaration as Historical Context (which is why it is often and more accurately referred to as ‘primary care’ or PC) [11]. Important as this clinical Careful reading reveals that the broader concept of role may be, it is not the whole picture. By contrast, the PHC (definition 2) contains elements of both PC and PH. WHO definition applies to the health system as a whole It grew out of an international conference in 1978 hosted and recognizes the need to involve communities in their by the WHO and the United Nations International Chil- health. The WHO concept encompasses public policy, so- dren’s Emergency Fund (UNICEF), which issued the cial and environmental elements, in addition to clinical Alma Ata Declaration on Primary Health Care [15]. How- care. ever, while the role of medical care was well appreciated, The literature points to the fact that PC (the clinical health policy analysts from developing nations were perspective) is associated with enhanced access to health ahead of their developed country counterparts in at- services, better outcomes and a decrease in hospitaliza- tempting to bring integrated thinking to the development tion and use of emergency visits. Clinical PC for the indi- of PH systems [16], but this group enjoyed little support vidual and the family (in this context also known as fam- from donor countries which favoured selected disease ily medicine) represents the first contact in a health care control initiatives (‘vertical’ programming, often follow- system that should be characterized by continuity, com- ing a ‘command and control model’, driven from the prehensiveness and coordination: providing individual, ‘top’) over those based on participatory community de- family-focused and community-oriented care for pre- velopment principles. venting, curing or alleviating common illnesses and dis- Both approaches were genuine attempts to improve abilities, and promoting health [12]. health in developing countries, but the ensuing decades A continuum thus exists within PHC from the indi- witnessed at least partial failure of both [17]. Local com- vidual to the nation, and it is legitimate to organize the munities failed to develop integrated PHC, and often had response to health and social needs in complementary to compete for priority and resources with vertically driv- ways across this continuum. Thus, it is reasonable for cli- en strategies heavily supported by donor nations. While nicians to see their PC role in relation to the individual some disease-specific initiatives achieved success, funda- 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization Primary Health Care and Public Health Med Princ Pract 3 DOI: 10.1159/000370197 Downloaded by:
mental health determinants, such as clean water, food se- nants strongly influence both health and equity, which curity and attending to locally prevalent conditions, fell vary enormously both between and within countries [25]. by the wayside, with little change in overall population Similarly, the US National Academy of Sciences, Insti- health status. With hindsight, this deficiency is now being tute of Medicine, has stated on the foundations of health acknowledged, and efforts are underway in some coun- systems: ‘there is strong evidence that behavior and envi- tries to enlist communities in defining their needs and ronment are responsible for over 70% of avoidable mortal- solutions, approaching health systems development in a ity’ and ‘Health care is just one of the determinants’ [26]. more respectful manner [10]. But little of the contribution from the WHO Commis- The Alma Ata Declaration’s ill-fated slogan of ‘health sion on the Social Determinants of Health or that of the for all by the year 2000’ was taken up at the turn of the US National Academy of Sciences, Institute of Medicine, century as an opportunity not to celebrate but to examine is really new thinking so much as revitalizing long-recog- what went wrong with this noble goal, especially the fail- nized truths buttressed by new data. Recalling Virchow, ure to operationalize it. In particular, numerous critics that ‘medicine is a social science, and politics is but med- drew attention to serious issues of equity in health care icine writ large’ [27], there is increasing recognition that delivery and lack of fairness in health care management, policies outside the health sector are critical to health. noting the great need to transform management systems and practice, as concerns common to many countries [18]. In addition, the refusal of experts and politicians in Moving beyond Health Policy to Healthy Public developed countries to accept that communities should Policy have a strong role in planning and implementing their own health care services is considered among the root The developments outlined in the preceding para- causes of the problem [19]. The disproportionate influ- graphs belong mostly within the traditional context of ence donor nations have over global decision making, as ‘health care policy’. However, if we are to follow the ad- they do over their development assistance policies, is also vocates from Virchow to Marmot, we must look beyond strongly linked to their strong preference to fund vertical this to embrace a much larger domain: ‘healthy public initiatives, even as they have (collectively) not lived up to policy’, which has evolved into a major movement to their pledges for assistance [20]. While there have been stimulate health-promoting policies around the world. outstanding PH successes in the 20th century (reviewed The term ‘healthy public policy’ may not be familiar to in this journal) [21], as William Foege, former leader of all readers of this journal. This does not mean ‘public the WHO’s Task Force for Child Survival and Develop- health policy’, which relates primarily to the policies de- ment, summed it up [22]: ‘Spectacular Progress, Spectac- veloped and implemented by a Ministry of Health. ular Inequities!’ ‘Healthy public policy’ prescribes that ‘health’ must be on the agenda of all government ministries [28]. This recog- nizes the fact that healthy societies are a product of many Clinical, Social and Environmental Approaches as forces beyond the health system per se: transport and en- Complementary Perspectives on Health vironmental policies, food and nutrition policies, educa- tional policies, and so on. Sound public health inter alia Ever since the dawn of medicine and PH, both of which depends on healthy public policy. This is a virtually glob- have ancient roots, there has been controversy, even al policy shift that has grown out of the Ottawa Charter struggle, surrounding their relative importance, almost as for Health Promotion, sponsored by the WHO in 1986 if the two domains are competitive rather than coopera- [28]. Also referred to as ‘health in all policies’ [29], a crit- tive and complementary [23]. Sir Michael Marmot, Chair ical element is that governments are ultimately account- of the WHO Commission on the Social Determinants of able to their people for the health consequences of their Health, framed it thus in his 2006 Royal College of Physi- policies, or lack thereof. cians Harverian Oration: ‘A physician faced with a suffer- Regarding the intersectoral collaboration which un- ing patient has an obligation to make things better. If she derpins effective PHC and PH (including the promotion sees 100 patients, the obligation extends to all of them. of healthy public policies), consider the improvements in And if a society is making people sick? We have a duty to health and life expectancy (LE) achieved in many regions do what we can to improve the public health and to re- during the past century. In Western industrial nations, LE duce health inequalities …’ [24]. Globally, social determi- increased from 75 years of age; epidemiological 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization 4 Med Princ Pract White DOI: 10.1159/000370197 Downloaded by:
Color version available online Spheres of influence Global Society Community Interpersonal Individual + social Examples: Cultural values Neighborhood Personal beliefs * UN Universal Political priorities Workplace Family support Attitudes Declaration on Human Public policies Schools Friendships + Behaviors/habits Rights Laws + regulations Places of worship networks Knowledge base * WHO Consultative Economic capacity Community Social interactions Circumstances Group on Equity and Science + technology organizations Group membership Other life course Universal Health Absorptive capacity Health literacy influences Coverage Resource allocations * Multinational corporate marketing Fig. 1. The social-ecological model – spheres of influence. models reveal that 25 of the 30 years of LE added can be Applying the Social-Ecological Model to Health attributed to measures such as better nutrition, sanitation Systems Integration and safer housing. Although medical care contributed only 5 years of this gain in LE [30, 31], when applied In examining the overlaps and boundaries between through a system that respects universal access, medical PHC and PH, and indeed all other elements of an orga- care is becoming more effective and relevant to popula- nized health system, it is useful to consider the ‘social- tion health: for example, a recent Canadian study [32] has ecological model’ (SE Model) as a way of appreciating how revealed that (over a 25-year period) differences between people relate through family and community relation- the richest and poorest quintiles in expected years of life ships to society as a whole. Analysis of the extent to which lost, amenable to medical care, decreased 60% in men and relationships are aligned and reinforcing holds potential 78% in women, thereby narrowing the socioeconomic for understanding the health outcomes that may arise disparities in mortality experience. both positive and negative. The model can also serve as an To generalize from these convergent streams of analytical framework, by which intervention strategies thought and action, continuing disparities in health con- may be designed, implemented, monitored, and evaluated ditions between and within countries must be addressed [34]. Indeed, its principles were applied in developing the by harnessing both the clinical and PH models; this is best landmark Ottawa Charter for Health Promotion (1984) done by taking a ‘whole of society’ approach [33], such [28], and utilized by the Institute of Medicine (US Na- that individual and collective action at all levels can be tional Academy of Sciences) in their seminal work (2003) relevant and mutually reinforcing. [35] on the future of PH in the 21st century. The SE Mod- 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization Primary Health Care and Public Health Med Princ Pract 5 DOI: 10.1159/000370197 Downloaded by:
el is being applied by the US Centers for Disease Control help to produce or maintain the status quo, which may and Prevention in addressing violence in American com- include unjustifiable economic and/or social inequalities munities [36] and to other PH issues; in both the USA and between social groups. This level of intervention normal- Australia, it lies at the core of efforts to address obesity [37, ly belongs to organized PH, although it may reach beyond 38]. Regardless of complexity, all variations of this model this in the form of ‘healthy public policy’. are conceptually similar, reflecting an evolving synthesis Global Influences: These cover a spectrum from UN of epidemiology with social and behavioral sciences [39]. Conventions to the often uncontrolled (potentially con- It can be appreciated that the illustrative SE Model trollable) influence of corporate marketing, which may (fig. 1) depicts interplay between individual, relationship, have health implications. community, societal, and global influences. Thus, it may In synthesis, the essence of the SE Model is that while help structure ways of identifying the influences which individuals are often viewed as responsible for what they place people at risk (or benefit) for various health and de- do, their behavior is largely determined by their social velopment outcomes across lifespans. An approach that and economic environment, e.g., community norms and incorporates complementary interventions at several lev- values, regulations and policies. Barriers to healthy be- els is more likely to achieve and sustain success over time haviors are often shared across their community, even a than a single intervention. The following are generic de- society as a whole; as these are lowered or removed, be- scriptions of what may be relevant at each level. havior change becomes more achievable and sustainable. Individual: This first level identifies biological and per- The optimal approach to promoting healthy behaviors, sonal factors, such as age, gender, education, income, and therefore, may be a combination to reinforce efforts at all personal or family history. Prevention strategies at this levels: individual, interpersonal, organizational, commu- level are designed to promote attitudes, beliefs and behav- nity, and public policy. This brings us to the challenge of iors and may include education and life skills training. It how best to align the components and approaches that are is here that most clinicians place their energies, for indi- mutually supportive. viduals who come within their purview. Drawing upon this approach to address the develop- Relationship: The second level examines relationships ment of services relevant to a nation’s population health, that may increase or reduce a risk of experiencing a nega- the strategic alignment of policy and services across the tive or positive outcome. A person’s closest social circle continuum of population health needs is important, as (peers, partners and family) influences their behavior and depicted in the schematic diagram (fig. 2). Thus it is ap- contributes to their range of experience. Prevention strat- propriate to recognize ‘healthy public policy’ as the over- egies here may include mentoring and peer programs de- all policy environment, with PH, PHC and community signed to reduce conflict, foster problem solving and pro- services as the crosscutting framework for all health and mote healthy relationships. This role belongs to the social health-related services operating across the spectrum circle. from primary prevention to long term care and end-stage Community: The third level explores settings, such as conditions. This in turn must be integrated and coordi- schools, workplaces and neighborhoods, in which social nated with the critically necessary acute and specialist relationships occur and seeks to identify characteristics of care system. Although this perspective is both logical and these settings that are associated with influence towards well grounded, the reality is different in most settings, and negative or positive outcomes. Strategies here are de- there is room for improvement everywhere. Indeed, there signed to impact context, processes and policies. For ex- is a need to integrate health care (at all levels) with PH and ample, social marketing campaigns are often used to fos- PHC: to assess population health needs, set priorities, to ter community climates that promote healthy relation- plan and implement programs that will better meet the ships. To achieve success at this level normally requires needs, keeping in mind that interventions from across the much more than the efforts of one individual and may spectrum are critical to the achievement of desirable involve a community organization and/or could be taken health outcomes: healthy public policies, environmental up by a formally organized PH program. and occupational health protection, health promotion, Society: The fourth level looks at broad societal factors clinical interventions, and integrative strategies to guide that help create a climate in which the health behavior in the development of PH and PHC strategies as well as question is encouraged or inhibited, including social and more specialized and supportive care, all of which should cultural norms. Other large societal factors include the be designed to respect the core principles of universality health, economic, educational, and social policies that and sustainability [40]. 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization 6 Med Princ Pract White DOI: 10.1159/000370197 Downloaded by:
Color version available online Strategic alignment of policy and services across the continuum of health needs (schematic) Healthy public policy Population At-risk People with People with People with healthy + well population early long-term end-stage keep healthy conditions conditions conditions manage health prevent support complications Public health, primary health care and community services Assess needs System leadership Good management Transform Plan system interventions Coordination Consultation Referral (2-way) Evaluate Monitor Acute and specialist services Fig. 2. Strategic alignment of policy and services across the continuum of health needs. Universality as a Core Principle of an Integrated (2) Affordability: a system for financing health services so peo- Health System ple do not suffer financial hardship when using them. This can be achieved in a variety of ways. (3) Access to essential medicines and technologies to diagnose The achievement of universal access to health services, and treat medical problems. in the many countries where it now exists, has engaged a (4) A sufficient capacity of well-trained, motivated health broad political debate in every instance, a debate that has workers to provide the services to meet patients’ needs based on become global in scope. Consider the statement of Dr. the best available evidence. Margaret Chan, WHO Director General [41]: ‘I regard It also requires recognition of the critical role played by all sec- tors in assuring human health, including transport, education and universal health coverage as the single most powerful urban planning. concept that public health has to offer. It is inclusive. It Universal health coverage has a direct impact on a population’s unifies services and delivers them in a comprehensive health. Access to health services enables people to be more produc- way, based on primary health care’. tive and active contributors to their families and communities. It The goal of universal health coverage (UHC) is to en- also ensures that children can go to school and learn. At the same time, financial risk protection prevents people from being pushed sure that all people obtain the health services they need into poverty when they have to pay for health services out of their without suffering financial hardship when paying for own pockets. Universal health coverage is thus a critical compo- them. The WHO states (verbatim): nent of sustainable development and poverty reduction, and a key element of any effort to reduce social inequities. Universal cover- ‘For a community or country to achieve universal health cover- age is the hallmark of a government’s commitment to improve the age, several factors must be in place, including: wellbeing of all its citizens. (1) A strong, efficient, well-run health system that meets prior- Universal coverage is firmly based on the WHO constitution of ity health needs through people-centred integrated care (including 1948 declaring health a fundamental human right and on the services for HIV, tuberculosis, malaria, non-communicable dis- Health for All agenda set by the Alma-Ata declaration in 1978. Eq- eases, maternal and child health) by: uity is paramount. This means that countries need to track prog- • informing and encouraging people to stay healthy and ress not just across the national population but within different prevent illness; groups (e.g. by income level, sex, age, place of residence, migrant • detecting health conditions early; status and ethnic origin)’ [41]. • having the capacity to treat disease; and • helping patients with rehabilitation. 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization Primary Health Care and Public Health Med Princ Pract 7 DOI: 10.1159/000370197 Downloaded by:
Implementing Universality Globally, the question has arisen as to whether the principles of Canada’s universal system have actually UHC in the sense outlined has been advocated for de- delivered desirable health outcomes for the Canadian cades. For example, in 1993, the World Bank stated that population so far. In partial response to this question, a investing in health through basic health care and PH mea- systematic review of 38 studies has recently confirmed sures is an investment in any nation’s human resource that Canada’s system leads to health outcomes that are [42]. However, it has taken a long gestation for this idea favorable overall when compared with the US fragment- to take hold. Since 2010, however, over 70 countries have ed and mostly private for-profit system, at
macare’). Implementation commenced in 2013, to be ful- global policies emphasizing selective goals, focused on ly phased in by 2020. With this, the USA will finally begin controlling specific diseases such as HIV, tuberculosis to close the gap on universality and other deficiencies [4]. and malaria and delivering specific interventions, e.g., Lack of such a more equitable policy in the past consti- immunization. Only in recent years has UHC attracted tuted a major barrier to the health of its population: not greater attention, being the subject of World Health As- only were many people excluded from levels of care con- sembly and UN General Assembly resolutions, and is sidered normal in other advanced economies, but the sys- now advocated for inclusion in the post-2015 successor tem (when accessed for serious illness by an uninsured to the MDGs (to be named Sustainable Development person) could force personal bankruptcy, such that many Goals). went without health care, with consequent threats to the public health due to gaps and delays in prevention, diag- nosis and treatment (perhaps most obvious with regard Aligning the Components of an Integrated Health to transmissible infections). Rectifying this systematic Service deficit in the health system simultaneously enhances PHC and PH. While poor planning has led to problems The WHO defines integrated service delivery as ‘orga- in initial implementation, the fact that the USA is now nization and management of health services so that peo- adopting universal health care as a public good is an over- ple get the care they need, when they need it, in ways that riding achievement. are user friendly, achieve the desired results and provide From a global perspective, it is noteworthy that in value for money’ [54]. One may thus contrast the more 2000, a United Nations heads of government meeting is- traditional approach of individual programs, doing their sued a set of broadly defined Millennium Development own policy planning and implementation, monitoring Goals (MDGs) [48]. In retrospect, this may be seen as a and evaluation, with the alternative of pooling common historic watershed in global policy development: people capacities to serve the needs of several programs. While and their governments were expressing similar concerns individual programs may retain their own leadership and and aspirations for more equitable solutions to achieve may have developed some strong capacities (while being sustainable development. By 2010, while the global eco- deficient in others), the challenge of integrated program- nomic crisis had reversed development gains in some ming is to develop and apply all needed capacities within countries and appeared to have undermined donor sup- a shared support framework so as to achieve synergy port [49], when assessed in 2012, several MDG targets across programmatic objectives, to avoid duplication of were found to have been met ahead of 2015, and there was resources, thereby to become mutually supportive and significant progress on others [50], as recently reviewed more effective at all relevant levels. Thus, integrated ap- in this journal [51]. With encouragement from this prog- proaches call for interprogrammatic coordination to ress (which, for more sceptical observers, may have been achieve more functional health systems, surely a justifi- unexpected), the passage in December 2012 of a General able goal [34]. Assembly resolution on UHC reveals how this is now also Drawing from the sources referenced [34, 54], the becoming a global health objective. The resolution urged concept does not imply integrating everything into one member states to develop health systems that avoid sub- package, or delivering services in one location. It means stantial direct payments at the point of delivery and to arranging services so that they are mutually supportive implement mechanisms for pooling risks to avoid cata- and easier for users to navigate, and that providers have strophic health-care spending and impoverishment [52]. support systems in place to help make this happen, while UHC is now being proposed as a goal within the post- optimizing resource utilization. While the process may 2015 MDG framework that puts rights and equity at the produce gains in efficiency that allow some resources to forefront for all nations [53]. If adopted, it will be difficult be redeployed, integration is mainly about doing things for any nation to avoid implementing UHC, however in a manner that should result in better outcomes: it is consistent this must be with its evolving political and cul- primarily a search for quality and should not be viewed tural values. as a solution for inadequate resource inputs. In evolving While the health systems of most high-income coun- integrated services, change must be managed: people at tries embody the principles of UHC, only now is this be- all levels are asked to change the way they operate, in- ing addressed in low- and lower-to-middle-income coun- cluding control over resources. Incentives may have to tries. Until now, these have been on the receiving end of be altered. 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization Primary Health Care and Public Health Med Princ Pract 9 DOI: 10.1159/000370197 Downloaded by:
Notwithstanding the need to develop more effective to understand how health is really ‘produced’ in homes, and efficient integrated models, there remain arguments communities and in how people live and work. All health in favor of discrete programming in particular settings professionals are expected to work as team members, and and situations such as: short-term measures in fragile physicians are not always the appropriate leaders: they states, for the control of epidemics, for disaster manage- have to accept coordination by other members of the ment, and other unpredictable situations, so that appro- team when appropriate. It is, therefore, important to ex- priate services can be provided for groups affected in spe- pand medical education well beyond the hospital-based cific ways, e.g., refugees, displaced persons or communi- model as the exclusive way to learn clinical medicine, and ties facing extraordinary threats. increasingly utilize community-based and multidisci- While the development of an integrated model may be plinary placements, including PHC and PH settings. desirable in the longer term, it may not always be possible These will reflect more the realities of life and offer ave- to initiate this de novo. Reviewing the health situation of nues through which to learn about continuity and to pro- a low-to-middle-income country in the late 1990s to help mote teamwork, mentoring and professional develop- design an integrated noncommunicable disease program, ment. To quote the Josiah Macy Foundation: ‘Good it quickly became clear to the author that, aside from the health care is more than the provision of clinical services. work of individual physicians and relevant health educa- Today’s doctors must learn new content and skills, in- tion efforts of the Ministry of Health, the building blocks cluding quality improvement, patient safety, communi- for an integrated approach were mostly undeveloped. As cation, health economics, and the social determinants of a first step, therefore, these components needed strength- health.’ [60] ening, before they could be integrated. There is little pur- pose in embarking on a perceived solution to problems unless there is leadership and organizational capacity to The Role of an Ethical Private Sector in Partnership carry it forward: this is sometimes referred to as ‘absorp- with the Public Sector tive capacity’ [55]. As for Flexner’s historical contribution, he argued that business ethics was incompatible with the values neces- Implications for Health Professional Education sary for socially useful medical education [61]. Consider the following quote: ‘Such exploitation of medical educa- The perspective outlined in this review aligns with the tion is strangely inconsistent with the social aspects of views of the Commission on Education of Health Profes- medical practice. The overwhelming importance of pre- sionals for the 21st Century, a global body that projected ventive medicine, sanitation, and public health indicates a vision that all health professionals should be educated that in modern life the medical profession is an organ so as to ensure their competence to participate in both differentiated by society for its highest purposes, not a patient- and population-centred health systems [56]. It is business to be exploited’ [62]. consistent with requirements for medical accreditation, This admonition duly recognized, the value of an ap- such as those of the UK [57], the USA and Canada [58], propriately involved private sector (within a policy frame- in recognizing the determinants of health in training pro- work) is becoming recognized as a resource to be tapped grams. It echoes the spirit of Flexner, whose lasting con- in the interests of population health, especially in the real tribution to medical education was celebrated on its cen- world where public resources are increasingly con- tennial in 2010 [59]. His legacy was 2-fold: that medical strained. In many developing countries, due to public sec- education must be founded on scientific evidence, and tor underfunding, there would be virtually no health care that it must strongly emphasize PH and social (as distinct at all for most people without the private sector in all from business) principles. forms, including public private partnerships (P3s) [4]. In Although this review gives purposeful recognition to some countries, health reform involving the private sec- the value of Flexner’s advocacy regarding medical profes- tor has uplifted people in a manner not achieved by the sional education, this was over a century ago and it is im- public sector, as illustrated by the 2006 Nobel Peace Prize portant to recognize that the world today is vastly more awarded to Muhammad Yunus and the Grameen Bank, complex than it was then. Health professionals, rather Bangladesh, for ‘efforts to create economic and social de- than being trained exclusively in hospitals and clinics velopment from below’ through microcredit for the poor where they encounter an array of sick people, also need [63]. In transitioning from a centrally planned economy, 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization 10 Med Princ Pract White DOI: 10.1159/000370197 Downloaded by:
Vietnam has involved the private sector in safe mother- This mode of thinking is virtually feudal in its origins and hood and family planning using policy and regulatory sadly, is still with us in the 21st century, even though it is frameworks, while reviving a commune-level PH system not commensurate with a world of instant access to infor- to meet other basic needs. In the Central Asian Republics mation, matrix management and interprofessional net- and Mongolia, formerly socialist regimes, building a pri- working, and where authentic leadership and collegiality vate sector is a priority, including family physicians in are needed at every level of the system. group practices, effective referral systems in rural areas Here is some of what the Dean of Public Health at Har- and autonomous boards managing hospital services [64]. vard University, having traced the modern origins of pri- In other developing nations, benefits are emerging: sub- mary care to the Dawson report in the UK in 1920, has to sidized products, distribution assistance, educational ini- say about this: tiatives, and disease control, e.g., Global Alliance for Vac- ‘Much of the failure of primary health care and the need for cines and Immunization (GAVI). Some P3 models are renewal are attributable to the origins of the pyramidal structure effective in the development of community health sys- of care. The notion of primary, secondary, and tertiary levels seems tems, e.g., BRAC (Bangladesh Rural Advancement Com- to have been borrowed from education. This original fusion is the source of much confusion. Indeed the equivalence between pri- mittee) initiated an integrated health program, linking mary care and primary education is flawed for two main reasons. foundations, governments and communities. First, in health matters there is no linear progression from simple Furthermore, the WHO-sponsored Bangkok Charter to complex problems over the life of an individual. A person might for Health Promotion in a Globalized World (2005) [65] have a complex life-threatening disease, such as cancer, and sub- noted that the corporate sector directly impacts on the sequently come down with a common cold. In the formal educa- tional system, students progress in a sequential manner toward health of people and on the determinants of health graduation. The only graduation from the health system is death. through its influence on: local settings, cultures, environ- Second, in health there is always an element of uncertainty that is ments, and wealth distribution. It declares that the pro- absent in educational services, which can be programmed in a fair- motion of health should be a requirement for good cor- ly straightforward way. Importing the educational idea of primary porate practice. Inter alia, this recent Charter (building into the health domain led to a false sense of simplicity around primary health care’ [66]. on the Ottawa Charter) states that: ‘The private sector, like other employers and the informal sec- The anachronistic mode of organizational thinking tor, has a responsibility to ensure health and safety in the work- just described continues to have damaging consequences place, and to promote the health and well-being of their employees, for health systems development: it also cannot be justified their families and communities. The private sector can also con- if one respects the Flexnerian legacy that medicine must tribute to lessening wider global health impacts, such as those as- be both evidence-based and emphasize PH and social sociated with global environmental change by complying with lo- cal, national and international regulations and agreements that principles. The existing overemphasis on increasingly promote and protect health. Ethical and responsible business prac- narrow specialization poses disadvantages for any soci- tices and fair trade exemplify the type of business practice that ety. Lacking continuity for individuals and families, this should be supported by consumers and civil society, and by gov- contributes to fragmented health care, and creates confu- ernment incentives and regulations’ [65]. sion; it is also a more costly way of doing things. Yet, much of this can be resolved by recommitting health systems development to a foundation that is Change as the Challenge strongly centered in PHC and PH and that creates inte- grated referral pathways through which interventions at Although the main aim of this review was to advocate every level have a greater potential for both coherence for more integrated and universally accessible health sys- and mutual reinforcement. A general case in favor of tems, from a management perspective, the paper is also more integrated policy and management of health sys- about the need for change and how to manage it: divest- tems therefore seems to be almost intuitive, whereby pro- ing ourselves of tired old hierarchical concepts which grams are developed and implemented within a common have roots in a ‘command and control approach’ to rela- framework so as to be mutually supportive. Yet being ‘in- tionships – the notion that health systems should be or- tuitive’ is never enough: expanding access to priority ganized and run in a pyramidal manner, with specialized health services requires the concerted use of all modes of commodities accorded greater prestige and placed at the delivery, according to the evolving capacity of health sys- apex and with more fundamental ones at the base, osten- tems as they change over time [67]. Such evolution should sibly serving the needs of those higher in the hierarchy. not be left up to the marketplace: it must be guided by 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization Primary Health Care and Public Health Med Princ Pract 11 DOI: 10.1159/000370197 Downloaded by:
leadership that takes into account the health needs of the countries. There are numerous reasons for this, ranging population as a whole. from the dominance of an outmoded industrial view of It is appropriate now to take note of a similarity be- health services development that favors specialized bio- tween the evolving debate regarding the relative merits of technologies over a better understanding of health deter- ‘vertical’ and ‘horizontal’ programming in developing minants that could lead to improved prevention strate- countries, referred to earlier in this paper (see The Alma gies, to the motivations behind particular career choices, Ata Declaration as Historical Context), and the design of influenced as these often are by consideration of remu- health systems in more developed ones where there is a neration, lifestyle and personal prestige. It is, therefore, comparable struggle for balance between the roles of important for policy makers and health leaders in all highly specialized care (and professional education sys- countries to identify the needed roles from a health sys- tems that heavily favor this) and a less well-supported sys- tems standpoint, to plan for a more integrated approach, tem of PHC and PH. As the case for universal health care and to adjust strategic incentives to achieve the changes takes hold in both contexts, this should add momentum that are so clearly needed. Clearly, there is an imperative to a process of convergence that should result ultimately to design training, recognition and reward systems that in more effective and equitable health systems. recognize contributions that meet the real needs of people Likewise, in responding to the challenge of integrating and society as a whole. This requires reemphasizing PHC health service components within a greater functional and PH and attracting professionals into them as broad system, as the author has noted elsewhere [34]: disciplines in their own right with a body of science and ‘In advocating a transition to more integrated approaches, re- skills. These disciplines are the cornerstones of sustain- sistance will be encountered and legitimate concerns need to be able health systems, and this should be reflected in the addressed, especially to reassure ‘single disease’ champions more health policies and professional education systems of all familiar with traditional stand-alone initiatives. In this respect, nations wishing to achieve a health system that is effec- unique and important aspects of particular conditions must re- tive, equitable, efficient, and affordable. ceive the priority they deserve, and not lost in the process; in some instances stand-alone programs will remain justifiable. Success in transforming separately organized programs into a more integrat- ed model requires vision and guidance from leadership and man- Acknowledgements agement levels, as well as a training strategy that will instill new knowledge, skills and attitudes to front-line staff. This process Debra Nanan, MPH, Pacific Health & Development Sciences should be guided by evidence, and a commitment to monitoring Inc., critiqued an early draft and the penultimate version and pro- and evaluation’ [34]. vided ideas for the development of figure 2. Dr. Joseph Longeneck- er, Kuwait University, encouraged this review’s development. Globally, there is reason for encouragement regarding Views presented are those of the author and do not necessarily re- health systems development as witnessed by the support flect those of the University of Victoria and Dalhousie University. from the WHO for universal health care, and numerous regional efforts ranging from ‘Obamacare’ in the USA (both reviewed in this article), to developments in the References 1 White F, Nanan D: Community health case Middle East, such as Kuwait University launching a Fac- studies selected from developing and devel- oped countries – common principles for ulty of Public Health in 2014 and the designation of its moving from evidence to action. Arch Med Faculty of Dentistry as a WHO Collaborating Centre for Sci 2008;4:358–363. Oral Primary Health Care [68, 69]. 2 Adhikari NKJ, Fowler RA, Bhagwanjee S, Ru- benfeld GD: Critical care and the global bur- den of critical illness in adults. Lancet 2010; 376:1339–1346. Conclusion 3 White F, Nanan DJ: International and global health, in Wallace RB, Kohatsu N (eds): Max- cy-Rosenau-Last. Public Health and Preven- Whenever seriously addressed as a matter of health tive Medicine. 15th ed. New York, McGraw policy, PH and PHC are considered essential and sustain- Hill, 2008, chapt 76, pp 1251–1258. 4 White F, Stallones L, Last JM: Global Public able cornerstones in building a sustainable health system Health – Ecological Foundations. Oxford, for the 21st century. However, despite a virtual global Oxford University Press, 2013, chapt 8. consensus that these are the most critical components, 5 World Health Organization: Health topics. Health systems. 2010. http://www.who.int/ there is considerable imbalance in the priority accorded topics/health_systems/en/ (accessed Septem- to them in health policy and in higher education in most ber 17, 2014). 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization 12 Med Princ Pract White DOI: 10.1159/000370197 Downloaded by:
6 Freeman P: Why health professions educa- 23 Gottleib LM: Learning from Alma Ata: the 36 Centers for Disease Control and Prevention: tion in the Journal of Public Health Policy? J medical home and comprehensive primary The social-ecological model: a framework for Public Health Policy 2012;33:S1–S2. health care. J Am Broad Fam Med 2009; 22: prevention. http://www.cdc.gov/violencepre- 7 Balabanova D, McKee M, Mills A: Good 242–246. vention/overview/social-ecologicalmodel. health at low cost. 25 years on. What makes a 24 Marmot M: Health in an unequal world. Lan- html (accessed March 30, 2014). successful health system? London School of cet 2006;368:2081–2094. 37 Centers for Disease Control and Prevention: Hygiene and Tropical Medicine. 2011. http:// 25 World Health Organization: Commission on Addressing obesity disparities. Social ecologi- ghlc.lshtm.ac.uk/files/2011/10/GHLC-book. the social determinants of health. http://www. cal model. http://www.cdc.gov/obesity/ pdf (accessed June 19, 2014). who.int/social_determinants/thecommis- health_equity/addressingtheissue.html (ac- 8 Ramirez NA, Ruiz JP, Romero RV, Labonte R: sion/finalreport/en/ (accessed June 19, 2014). cessed March 30, 2014). Comprehensive primary health care in South 26 Institute of Medicine: The Future of the Pub- 38 Co-Ops Collaboration (funded by the De- America: contexts, achievements and policy lic’s Health in the 21st Century. November partment of Health and Ageing, Australia): implications. Cad Saude Publica 2011; 27: 2002. Washington, National Academy of Sci- Links between the socio-ecological model and 1875–1890. ences, 2003. Ottawa Charter. http://www,coops.net.au/ 9 Last JM (ed): A Dictionary of Public Health. 27 Taylor R, Rieger A: Rudolf Virchow on the Pages/newsletter_articles/promising_inter- New York, Oxford University Press, 2007. typhus epidemic in Upper Silesia: an intro- ventions.aspx (accessed March 30, 2014). 10 White F, Stallones L, Last JM: Global Public duction and translation. Sociol Health Illn 39 Krieger N: Theories for social epidemiology Health – Ecological Foundations. New York, 1984;6:201–217. in the 21st century: an ecosocial perspective. Oxford University Press, 2013, chapt 4: com- 28 Ottawa Charter for Health Promotion. First Int J Epidemiol 2001;30,4:668–677. munity foundations of public health. International Conference on Health Promo- 40 Shaikh BT, Kadir MM, Hatcher J: Health care 11 Martin-Misener R, Valaitis R, Wong ST, et al: tion. Ottawa, 21 November 1986 – WHO/ and public health in South Asia. Public Health A scoping literature review of collaboration HPR/HEP/95.1. http://www.mecd.gob.es/ 2006;120:142–144. between primary care and public health. Prim dms-static/574eadc8-07b6-450f-b5b2- 41 World Health Organization: What is univer- Health Care Res Dev 2012;13:327–346. 085ff1e201c8/ottawacharterhp-pdf.pdf (ac- sal health coverage. Online resource. October 12 Shi L: The impact of primary care: a focused cessed June 19, 2014). 2012. http://www.who.int/features/qa/uni- review. Scientifica (Cairo) 2012, http://dx.doi. 29 Rudolph L, Caplan J, Ben-Moshe K, et al: versal_health_coverage/en/ (accessed March org/10.6064/2012/432892 (accessed June 19, Health in All Policies: A Guide for State and 29, 2014). 2014). Local Governments. Washington and Oak- 42 World Bank: World Development Report 13 Public Health Agency of Canada. Pan Cana- land, American Public Health Association 1993: Investing in health. World development dian Public Health Network: Guidelines for and Public Health Institute, 2013. http:// indicators. New York, Oxford University MPH programmes in Canada. 2009. http:// www.apha.org/NR/rdonlyres/882690FE- Press, 1993. http://wdronline.worldbank.org/ www.phac-aspc.gc.ca/php-psp/mphpg-mh- 8ADD-49E0–8270–94C0ACD14F91/0/ worldbank/a/c.html/world_development_ plg/index-eng.php (accessed June 19, 2014). HealthinAllPoliciesGuide169pages.PDF report_1993/abstract/WB.0-1952-0890-0.ab- 14 Last, JM (ed): Preface. Dictionary of Public 30 Bunker J: Improving health: Measuring ef- stract1 (accessed June 14, 2014). Health. New York, Oxford University Press, fects of medical care. Milbank Q 1994;72:225– 43 World Health Organization: Making fair 2007. 228. choices on the path to universal health cover- 15 Alma Ata Declaration on Primary Health Care. 31 Schroeder SA: We can do better – improving age. Final report of the WHO Consultative http://www.who.int/publications/almaata_ the health of the American people. N Engl J Group on Equity and Universal Health Cov- declaration_en.pdf (accessed June 19, 2014). Med 2007;357:1221–1228. erage, 2014. http://apps.who.int/iris/bitstre 16 Thunhurst CP: Public health systems analy- 32 James PD, Wilkins R, Detsky AS, et al: Avoid- am/10665/112671/1/9789241507158_eng. sis – where the River Kabul meets the River able mortality by neighbourhood income in pdf?ua=1 (accessed May 26, 2014). Indus. Global Health 2013;9:39. Canada: 25 years after the establishment of 44 Madore O: The Canada Health Act: over- 17 John TJ, White F: Public health in South Asia, universal health insurance. J Epidemiol Com- view and options. Economics Division. in Beaglehole R (ed): Global Public Health: A munity Health 2007;61:287–296. Parliamentary Information and Research New Era. New York, Oxford University Press, 33 Dubé L, Thomassin P, Beauvais J: A ‘Whole- Service. Government of Canada. June, 2003, chapt 10, pp 172–190. of-Society’ approach to an integrated health 2003. http://www.parl.gc.ca/content/lop/ 18 Shaikh BT, Kadir MM, Pappas G: Thirty years and agri-food strategy, in Discussion Paper – researchpublications/944-e.htm (accessed of Alma Ata pledges: is devolution in Pakistan Building Convergence Toward an Integrated June 19, 2014). an opportunity for rekindling primary health Health and Agri-Food Strategy for Canada. 45 Guyatt GH, Devereaux PJ, Lexchin J, et al: A care? J Pakistan Med Assoc 2007;57:259–260. The Canadian Agri-Food Policy Institute, systematic review of studies comparing health 19 Hall JJ, Taylor R: Health for all beyond 2000: 2009. Official Website. http://www.capi-icpa. outcomes in Canada and the United States. the demise of the Alma-Ata Declaration and ca/converge-summ/five.html (accessed June Open Med 2007;1:e27–e36. primary health care in developing countries. 19, 2014). 46 World Health Organization: The World Med J Australia 2003;178:17–20. 34 White F, Stallones L, Last JM: Global Public Health Report 2000. June 21, 2000. http:// 20 White F: Development assistance for health – Health – Ecological Foundations. New York, www.who.int/whr/2000/en/index.html (ac- donor commitment as a critical success fac- Oxford University Press, 2013, chapt 6: inte- cessed June 19, 2014). tor. Can J Public Health 2011;102,6:421–423. grated approaches to disease prevention and 47 White F, Nanan D: A conversation on health 21 White F: The imperative of public health edu- control. in Canada: revisiting universality and the cen- cation: a global perspective. Med Princ Pract 35 Institute of Medicine. The Future of the Pub- trality of primary health care. J Ambul Care 2013;22:515–529. lic’s Health in the 21st Century. November Manage 2009;32:141–149. 22 Evans T: An optimist’s view of global health 2002. Washington, National Academy of Sci- 48 United Nations Development Programme. achievement. The Rockefeller Foundation ences, 2003. http://www.iom.edu/∼/media/ Human Development Report 2003. Millen- blogsite. http://www.rockefellerfoundation. Files/Report%20Files/2002/The-Future-of- nium Development Goals: A compact among org/blog/optimists-view-global-health (ac- the-Publics-Health-in-the-21st-Century/Fu- Nations to End Human Poverty. New York, cessed March 31, 2014). ture%20of%20Publics%20Health%20 Oxford University Press, 2003. http://hdr. 2002%20Report%20Brief.pdf (accessed June undp.org/en/content/human-development- 19, 2014). report-2003 (accessed June 19, 2014). 158.232.3.98 - 2/2/2015 9:53:13 AM World Health Organization Primary Health Care and Public Health Med Princ Pract 13 DOI: 10.1159/000370197 Downloaded by:
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