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Periodicals Supplement to June 2018 PodiatryToday Highlights from the 2018 Scientific Conference of the AMERICAN COLLEGE OF FOOT AND ANKLE SURGEONS
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TABLE OF CONTENTS 4 TACKLING TREATMENT CONTROVERSIES IN THE FOREFOOT In a discussion of forefoot conditions, these ACFAS speakers debated effective treatments for Grade 2 and 3 hallux rigidus, hallux valgus and instability under the second metatarsophalangeal joint. 8 18 EVALUATING AND A CLOSER LOOK AT TREATING STAGES OF TREATMENT OPTIONS POSTERIOR TIBIAL FOR HALLUX RIGIDUS TENDON DYSFUNCTION Can arthrodesis, cheilectomy and amnion Exploring current concepts in treating tissue have an impact for hallux rigidus? posterior tibial tendon dysfunction, several These ACFAS speakers explored the panelists detailed protocols for Stages II research and shared insights from their and IV flatfoot, and discussed pertinent experience on treatments to relieve considerations in choosing between double pain and improve function in the first arthrodesis and triple arthrodesis. metatarsophalangeal joint. 12 24 ESSENTIAL INSIGHTS ON MANAGING ACHILLES CURRENT PRINCIPLES TENDON RUPTURES AND INSIGHTS ON HALLUX Given the challenges of treating Achilles VALGUS PROCEDURES tendon ruptures and the potential for In a session on the range of options re-rupture, these panelists at ACFAS shared for bunion surgery, panelists at ACFAS their thoughts as well as the literature discussed frontal plane rotation, debated findings on chronic Achilles ruptures, minimally invasive versus open surgery and insertional tendinopathy and how to reviewed literature findings on the utility of prevent complications. the Lapidus and Akin procedures.
Post-ACFAS Supplement Tackling Treatment Controversies In The Forefoot In a discussion of forefoot conditions, these ACFAS speakers debated effective treatments for Grade 2 and 3 hallux rigidus, hallux valgus and instability under the second metatarsophalangeal joint. By Brian McCurdy, Managing Editor C heilectomy is highly success- ful in early stage hallux rigidus, notes Kyle Fiala, DPM, FACFAS. He says the technique is simple, effective and has minimal complications. In a review of 38 patients, Erdil and coworkers noted that although arthrode- sis is reliable, implant arthroplasty can be an effective alternative for patients with advanced hallux rigidus.8 Dr. Rubin says In a study of 110 patients, Dr. Fiala O’Doherty compared arthrodesis with a notes Coughlin and Shurnas successful- Keller arthroplasty, finding that arthrod- Photo courtesy of Doug Richie, DPM ly used cheilectomy for patients with esis had no advantages and six of 50 toes Grades 1 and 2 hallux rigidus as well as that had arthrodesis needed revision.9 selected Grade 3 patients.1 The authors In contrast, Jordan Grossman, DPM, recommend arthrodesis for patients with FACFAS, argues that history shows that Grade 4 or Grade 3 hallux rigidus with first MPJ replacements do not work in less than 50 percent of the metatarsal the long term. Relevant issues for Dr. head cartilage remaining at the time of Grossman in procedure selection include surgery. Nicolosi and coworkers con- pain relief, functional results, patient sat- cluded that cheilectomy is a successful isfaction, complications, revision surgery alternative to first metatarsophalangeal and cost. joint (MPJ) arthrodesis in the long term, This foot has Grade 2 hallux rigidus. Comparing hemiarthroplasty to ar- citing good results during a mean fol- Cheilectomy is highly successful in early throdesis, Raikin and colleagues found low-up of seven years.2 stage hallux rigidus, notes Kyle Fiala, DPM, that arthrodesis was more predictable Although cheilectomy has support in FACFAS. He says the technique is simple, at relieving the pain of severe first MPJ the literature and a low complication effective and has minimal complications. osteoarthritis at a mean follow-up of 79 rate, Matthew Williams, DPM, FACFAS, months.10 Dr. Grossman notes no pa- says the procedure does not change the notes Laurence Rubin, DPM, FACFAS. tients with arthrodesis needed revision structure of the foot or alter the deform- In a study of 79 patients with Grade 3 and arthrodesis patients had a higher sat- ing forces of hallux rigidus. hallux rigidus, Papagelopoulos and col- isfaction rate than those who had hemi- Citing complications, Dr. Williams leagues cited 82 percent implant survival arthroplasty. notes Roukis recommended only per- at 10 years for patients age 57 or younger In regard to patient satisfaction, Do- forming isolated periarticular first meta- in comparison to 90 percent in patients negan and Blume studied first MPJ fu- tarsal osteotomies for hallux rigidus with 57 and older.5 Lawrence and Thuen also sion with the use of dual-crossed screws caution or not performing the procedure noted that implant arthroplasty is more in 228 patients.11 Dr. Grossman says 91 at all.3 Dr. Williams adds that Cullen and effective in older patients with less de- percent of patients would have the sur- colleagues, in a study of 423 procedures, mand, citing high patient satisfaction in gery again and 88 percent reported hav- noted that cheilectomy had a higher re- a study of 70 first MPJ implants in 54 ing little or no pain. visional surgery rate over a five-year fol- patients with hallux rigidus.6 Gibson and Thomson, in a study of 63 low-up than decompression osteotomy.4 In a review of 3,049 first MPJ im- patients with unilateral or bilateral first plant arthroplasties, Cook and coworkers MPJ arthritis, noted those who had ar- Debating First MPJ Arthrodesis found an 85.7 percent post-op satisfac- throdesis had fewer complications and Versus Implant Arthroplasty tion rate with first MPJ implants, a num- better function than those who had ar- For Grade 3 Hallux Rigidus ber the authors adjusted to 94.5 percent throplasty, according to Dr. Grossman.12 Age can be an important factor influ- when considering only the highest qual- When it comes to revision rates, Stone encing the survival of first MPJ implants, ity studies.7 and colleagues contacted 52 patients 4
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Post-ACFAS Supplement from the Gibson and Thomson study for a 15-year follow-up.12,13 Dr. Grossman says one patient with arthrodesis required revision in comparison to nine revisions in the arthroplasty group. Brodsky and coworkers found all 23 hallux rigidus patients who had arthrod- esis achieved radiographic union and clinical improvement in walking and ac- tivity, notes Dr. Grossman.14 Dr. Grossman cites poor Grade C ev- idence in favor of arthroplasty to treat hallux rigidus effectively and notes fair Grade B evidence in favor of arthrodesis. Photo courtesy of Doug Richie, DPM Should You Perform A First Metatarsal Osteotomy Or A Lapidus Bunionectomy For Hallux Valgus? Noting there are over 130 options to treat hallux valgus, Shane Hollawell, DPM, FACFAS, says one can often use proximal and distal osteotomies, or a combination of proximal and distal oste- otomies, in lieu of a Lapidus procedure. Ravenell and coworkers examined This radiograph shows a foot with Grade 3 hallux rigidus. Coughlin and Shurnas radiographs from 61 patients who had recommend performing arthrodesis for patients with Grade 4 or Grade 3 hallux received a Lapidus procedure, Austin rigidus with less than 50 percent of the metatarsal head cartilage remaining at bunionectomy or first MPJ fusion.15 All the time of surgery. patients reviewed had first intermeta- tarsal angles greater than 15 degrees and hallux abductus angles greater than 25 more of an influence on load sharing or digitorum longus transfer as it can degrees. Noting no significant difference distribution than a chevron osteotomy.18 both stabilize the second MPJ and in the amounts of correction for any of Lagaay and coworkers cited a reop- address the underlying pathology.21 the three procedures, the authors sug- eration rate of 2.92 percent for recur- In their study of 68 patients who re- gested that one could use an Austin bun- ring hallux valgus following a modified ceived treatment for plantar plate tears, ionectomy or first MPJ fusion to correct Lapidus arthrodesis and a 0.29 per- Nery and coworkers utilized the follow- the large intermetatarsal and hallux ab- cent reoperation rate for hallux varus.19 ing grading system: ductus angles that many surgeons treat The authors noted that revision rates • patients with grade 0 and grade I tears had with a Lapidus procedure. were similar for the Lapidus bunio- thermal shrinkage with radiofrequency; Dr. Hollawell cites a retrospective study nectomy, closing base wedge osteot- • patients with grade II and III tears had of 38 patients by Stienstra and colleagues omy and chevron-Austin osteotomy. direct plantar plate reinsertion; and noting that surgeons can perform distal Early weightbearing is another advan- • patients with grade IV tears had flex- chevron osteotomies to correct metatarsus tage of the Lapidus procedure with King or-to-extensor tendon transfer.22 primus varus of more than 15 degrees.16 and colleagues citing post-op weight- The authors noted those in groups I, III In contrast, Sandeep Patel, DPM, bearing at a mean of 34 days with 133 of and IV had less stable MPJs after surgery FACFAS, cites the efficacy of the Lapidus 136 patients achieving union.20 and less toe purchase and ground touch. arthrodesis for hallux valgus. Donegan and Caminear found that if Dr. Patel says Avino and colleagues Treatment Insights the plantar plate is attenuated or does not found that the Lapidus bunionectomy On Sub-Second MPJ Instability have residual tissue, one can use imbri- had an influence on the medial longitu- When treating instability under the cation with the flexor digitorum longus dinal arch in 35 patients.17 The Lapidus second MPJ, Thomas Chang, DPM, sheath.23 Dr. Chang also cites a study not- procedure also has positive effects on FACFAS, says plantar plate repair is ef- ing that combining plantar plate repair and plantar forefoot pressures. Dr. Patel cites a fective. He notes one study that con- hammertoe repair with a flexor digitorum 68-patient study by King and colleagues, cluded primary repair of the plantar longus tendon transfer can address chronic who found the Lapidus procedure has plate provides an alternative to flex- sagittal plane instability of the lesser MPJs.24 6
Podiatry Today | June 2018 The literature supports flexor tendon joint arthrodesis using dual crossed screw fixa- tion. J Foot Ankle Surg. 2017;56(2):291-297. transfer for second MPJ instability, argues 12. Gibson JN, Thomson CE. Arthrodesis or total Photo courtesy of Neal Blitz, DPM Lawrence Ford, DPM, FACFAS. As he replacement arthroplasty for hallux rigidus: says, plantar plate insufficiency leads to a randomized controlled trial. Foot Ankle Int. a loss of the reverse windlass mechanism 2005;26(9):680-90. so there is no passive toe purchase and 13. Stone OD, Ray R, Thomson CE, Gibson JN. Long-term follow-up of arthrodesis vs total the flexor tendon transfer technique uses joint arthroplasty for hallux rigidus. Foot Ankle dynamic transfer to address the reverse Int. 2017; 38(4):375–80. windlass mechanism. 14. Brodsky JW, Baum BS, Pollo FE, Mehta H. Dr. Ford notes surgeons can combine Prospective gait analysis in patients with first a flexor tendon transfer with a proximal metatarsophalangeal joint arthrodesis for hallux rigidus. Foot Ankle Int. 2007; 28(2):162–5. interphalangeal joint fusion for a rigid 15. Ravenell RA, Camasta CA, Powell DR. The hammertoe. He says one can use a Gir- Here is a post-op view after a Lapidus unreliability of the intermetatarsal angle in dlestone-Taylor procedure for flexible, bunionectomy. Sandeep Patel, DPM, choosing a hallux abducto valgus surgical proce- mild deformity. Complications of the FACFAS, says Avino and colleagues found dure. J Foot Ankle Surg. 2011;50(3):287-92. flexor tendon transfer include stiffness that the Lapidus bunionectomy had an 16. Stienstra JJ, Lee JA, Nakadate DT. Large dis- influence on the medial longitudinal arch placement distal chevron osteotomy for the cor- and sausage toe, according to Dr. Ford. in 35 patients. rection of hallux valgus deformity. J Foot Ankle Surg. 2002;41(4):213-20. When Patients Have Metatarsus 17. Avino A, Patel S, Hamilton GA, Ford LA. The Adductus And Hallux Valgus References effect of the Lapidus arthrodesis on the medial Clinically, patients with metatarsus ad- 1. Coughlin MJ, Shurnas PS. Hallux rigidus. Grad- longitudinal arch: a radiographic review. J Foot ing and long-term results of operative treatment. Ankle Surg. 2008;47(6):510-4. ductus present with a C-shaped footprint, J Bone Joint Surg Am. 2003;85-A(11):2072-88. 18. King CM, Hamilton GA, Ford LA. Effects of hallux valgus or varus and a skewed foot, 2. Nicolosi N, Hehemann C, Connors J, Boike the Lapidus arthrodesis and chevron bunionec- notes Jason Naldo, DPM, FACFAS. He A. Long-term follow-up of the cheilecto- tomy on plantar forefoot pressures. J Foot Ankle says there are significantly higher peak my for degenerative joint disease of the first Surg. 2014;53(4):415-9. plantar pressures in patients with metatar- metatarsophalangeal joint. J Foot Ankle Surg. 19. Lagaay PM, Hamilton GA, Ford LA, et al. Rates 2015;54(6):1010-20. of revision surgery using Chevron-Austin sus adductus than in patients without the 3. Roukis TS. Clinical outcomes after isolated osteotomy, Lapidus arthrodesis, and closing base deformity. Dr. Naldo says patients with periarticular osteotomies of the first metatarsal wedge osteotomy for correction of hallux valgus hallux valgus can have metatarsus adduc- for hallux rigidus: a systematic review. J Foot deformity. J Foot Ankle Surg. 2008;47(4):267-72. tus, adding that forefoot adduction can Ankle Surg. 2010;49(6):553-60. 20. King CM, Richey J, Patel S, Collman DR. lead to compensation in the hindfoot. 4. Cullen B, Stern AL, Weinraub G. Rate of Modified Lapidus arthrodesis with crossed screw revision after cheilectomy versus decompression fixation: early weightbearing in 136 patients. J For metatarsus adductus, Troy Boffeli, osteotomy in early-stage hallux rigidus. J Foot Foot Ankle Surg. 2015;54(1):69-75. DPM, FACFAS, notes procedure selection Ankle Surg. 2017;56(3):586-588. 21. Ford LA, Collins KB, Christensen JC. Stabiliza- criteria include the severity of the defor- 5. Papagelopoulos PJ, Kitaoka HB, Ilstrup DM. tion of the subluxed second metatarsophalangeal mity, multiple joint arthritis, bone spur Survivorship analysis of implant arthroplasty for joint: flexor tendon transfer versus primary with neuritis and lesser toe deformity. He the first metatarsophalangeal joint. Clin Orthop repair of the plantar plate. J Foot Ankle Surg. Relat Res. 1994;(302):164-72. 1998;37(3):217-22. notes an underlying metatarsus adductus 6. Lawrence BR, Thuen E. A retrospective review 22. Nery C, Coughlin MJ, Baumfeld D, et al. can have an effect on hallux valgus surgery. of the primus first MTP joint double-stemmed Prospective evaluation of protocol for surgical The complexity of metatarsus adduc- silicone implant. Foot Ankle Spec. 2013;6(2):94- treatment of lesser MTP joint plantar plate tears. tus can make the assessment of hallux 100. Foot Ankle Int. 2014;35(9):876-85. valgus difficult, according to Dr. Naldo. 7. Cook E, Cook J, Rosenblum B, et al. Meta-anal- 23. Donegan RJ, Caminear D. Anatomic repair ysis of first metatarsophalangeal joint implant ar- of plantar plate with flexor tendon sheath Citing a retrospective study by Aiyer and throplasty. J Foot Ankle Surg. 2009;48(2):180-90. reinforcement: case series. Foot Ankle Spec. colleagues of 587 patients with metatar- 8. Erdil M, Elmadag NM, Polat G, et al. Compar- 2016;9(5):438-43. sus adductus, Drs. Boffeli and Naldo not- ison of arthrodesis, resurfacing hemiarthroplasty, 24. Bouché RT, Heit EJ. Combined plantar plate ed the authors found a 30 percent rate of and total joint replacement in the treatment and hammertoe repair with flexor digitorum radiographic recurrence of hallux valgus of advanced hallux rigidus. J Foot Ankle Surg. longus tendon transfer for chronic, severe sagit- 2013;52(5):588-93. tal plane instability of the lesser metatarsopha- after bunion surgery.25 The authors note 9. O’Doherty DP, Lowrie IG, Magnussen PA, langeal joints: preliminary observations. J Foot that metatarsus adductus raises the risk Gregg PJ. The management of the painful first Ankle Surg. 2008;47(2):125-37. of hallux valgus deformity recurrence. metatarsophalangeal joint in the older patient. 25. Aiyer A, Shub J, Shariff R, et al. Radiographic However, Dr. Boffeli cites a study by Arthrodesis or Keller’s arthroplasty? J Bone Joint recurrence of deformity after hallux valgus sur- Shibuya and coworkers noting that af- Surg Br. 1990;72(5):839-42. gery in patients with metatarsus adductus. Foot 10. Raikin SM, Ahmad J, Pour AE, Abidi N. Com- Ankle Int. 2016;37(2):165-71. ter adjusting for covariates, there was no parison of arthrodesis and metallic hemiarthro- 26. Shibuya N, Jupiter DC, Plemmons BS, et connection between underlying metatar- plasty of the hallux metatarsophalangeal joint. J al. Correction of hallux valgus deformity in sus adductus and the outcome of bunion Bone Joint Surg Am. 2007;89(9):1979-85. association with underlying metatarsus adductus surgery.26 n 11. Donegan RJ, Blume PA. Functional results and deformity. Foot Ankle Spec. 2017;10(6):538-542. patient satisfaction of first metatarsophalangeal 7
Post-ACFAS Supplement Evaluating And Treating Stages Of Posterior Tibial Tendon Dysfunction Exploring current concepts in treating posterior tibial tendon dysfunction, several panelists detailed protocols for Stages II and IV flatfoot, and discussed pertinent considerations in choosing between double arthrodesis and triple arthrodesis. By Brian McCurdy, Managing Editor W hen classifying posterior tibial tendon dysfunction, Lawrence Ford, DPM, FAC- FAS, cites the system devised by Johnson and Strom and added to by Myerson.1,2 As he notes, Stage I involves inflamma- tion of the tendon but no deformity. Dr. Ford says Stage II is controversial because these patients have varying levels of de- Photo courtesy of Jason Miller, DPM formation and symptoms with a vari- ety of options for reconstruction. Stage Jason Miller, DPM, FACFAS, cites several studies noting a high accuracy for magnetic III involves a rigid flatfoot deformity resonance imaging (MRI). Here is a longitudinal MRI of distal posterior tibial tendon while Stage IV suggests incompetence with rupture and retraction of the tendon (EOT denotes end of tendon). To the left of the deep deltoid ligament resulting of the tendon is some fluid/hemorrhage in the collapsed tendon sheath. in ankle valgus, according to Dr. Ford. In a patient with a normal gait, Dr. Ford What is the imaging gold standard for and less expensive alternative to MRI for notes there is inverted heel contact and evaluating abnormalities in the patient detecting posterior tibial tendon tears.15,16 lateral forefoot loading, followed by first suffering from soft tissue insufficiency as- In a study of 22 ankles in 18 patients with ray loading, which provides a rigid lever sociated with posterior tibial tenon dys- posterior tibial tendon dysfunction, Nal- for propulsion. He says posterior tibial function and unstable pes planovalgus? lamshetty and colleagues demonstrated tendon dysfunction is associated with pes Jason Miller, DPM, FACFAS, cites several that imaging with ultrasound was concor- planovalgus deformity with compromise studies that note a high accuracy for mag- dant with MRI in a majority of patients.17 of the incompetent medial soft tissue re- netic resonance imaging (MRI). As he straints. He says the gastrocnemius-soleus points out, numerous authors have doc- A Guide To Surgical Decision complex is a deforming force. umented the benefits of MRI for pre-op Making For Stage II Flatfoot An age old debate is whether to fix the planning for ankle tendon reconstructive Stage IIA (early) flatfoot hallmarks in- lateral or medial column or both, notes surgery as well as as quantifying the true clude medial symptoms, mild deformi- Dr. Ford. In the lateral column, he notes etiology and extent of rupture.3–8 ty, equinus and a low talonavicular-first lengthening is powerful in all three planes However, Dr. Miller also cites several metatarsal angle, notes Christopher but there can be issues if the patient has recent studies investigating the efficacy Reeves, DPM, FACFAS. He says charac- a raised calcaneal pitch or metatarsus ad- of ultrasonography as an alternative diag- teristics of patients with Stage IIB (late) ductus. He notes that addressing the me- nostic tool for pathology of the posteri- flatfoot include lateral and postural symp- dial column makes sense if there is insta- or tibial tendon.9–14 As Dr. Miller notes, toms, subfibular pain, progressive defor- bility of the medial column, hallux valgus the superficial location of the posterior mity, equinus, and a moderate to high or other first ray deficiencies. Dr. Ford tibial tendon makes it well suited for talonavicular-first metatarsal angle. notes the medial column is underrated imaging by high-resolution ultrasound. There is no one best way to fix Stage in flatfoot mechanisms. As he says, if the He says the development of linear ar- II posterior tibial tendon dysfunction medial column is unstable, hypermobile, ray high-frequency transducers can help and the profession must eliminate “dog- elevated, short or essentially not acting as produce high-resolution images that can matism,” asserts Dr. Reeves. He suggests a buttress to prevent further overprona- display inner tendon structure. Dr. Miller undertaking a well-rounded, critical as- tion, then the foot will collapse. says ultrasound offers a more convenient sessment of each patient as well as pre- 8
Podiatry Today | June 2018 Photo courtesy of Jason Miller, DPM Here one can see axial (image A) and longitudinal (image B) sonographic images of the right posterior tibial tendon at the level of distal tibia, demonstrating a linear hypoechoic partial tear (arrows). Image C is an axial fast spin-echo, fat-suppressed T2-weighted MRI (6000/72) of the right posterior tibial tendon showing partial disruption of the fibers of the tendon near its insertion, which is indicated by foci of fluid signal intensity (arrow). operatively assessing the potential pitfalls options in the face of arthrosis include ament with grafts harvested from the an- of surgery. As he notes, joint-sparing os- Evans osteotomies, subtalar joint fusion, terior tibial tendon.20 Jeng and colleagues teotomy is the “workhorse” for Stage II medial soft tissue reconstruction and gas- noted success with minimally invasive flatfoot. One can combine an osteotomy troc recession. deltoid ligament reconstruction together with selective arthrodesis and soft tissue Is body mass index (BMI) a factor in de- with a triple arthrodesis.21 reconstruction for deformity correction cision making for flatfoot? Dr. Reeves cites and pain relief, notes Dr. Reeves. a study of 633 patients who had forefoot Considering The Medial Double Dr. Reeves’ treatment algorithm for surgery, noting that obesity did not lead to Versus The Triple Arthrodesis Stage II posterior tibial tendon dysfunc- more frequent post-op complications.18 The triple arthrodesis is indicated for tion in younger patients includes Evans flatfoot patients with pain, instability and osteotomies, medial calcaneal displace- Key Insights On Treating progressive deformity, notes Allen Jacobs, ment osteotomies, medial soft tissue re- Stage IV Posterior Tibial DPM, FACFAS. However, he points construction and gastrocnemius recession Tendon Dysfunction out the triple arthrodesis can lead to with or without a Cotton osteotomy. Patients with Stage IV posterior tibial wound healing complications and calca- Comorbidities are likely to dictate surgi- tendon dysfunction will present with an- neocuboid joint reduction and nonunion cal options and he says these include di- kle and foot pain, poor gait and no heel can be problematic. He also says the pro- abetes, neuropathy, age, and preoperative raise, according to Benjamin Clair, DPM, cedure requires a long operative time, has arthrosis. He notes hindfoot fusion is an FACFAS. Radiographs will indicate an prolonged healing time and there can be option for patients with comorbidities, increased talar tilt and he suggests always adjacent joint arthritis, a stiff gait and an- large angular deformities or neuropathy. taking weightbearing views of the foot and gle valgus. Dr. Jacobs notes that some pa- A gastrocnemius recession aids in the ankle. Non-operative treatments for Stage tients can progress to ankle arthrosis. reduction of flatfoot deformity, notes Dr. IV include ankle foot orthotics (AFOs) to In a study of 32 patients with poste- Reeves. He says a medial displacement control talar tilt while Dr. Clair notes sur- rior tibial tendon dysfunction, Galli and calcaneal osteotomy corrects hindfoot gical options include ankle fusion, tibio- colleagues noted that a medial double valgus and removes the deforming force talocalcaneal fusion or a pantalar fusion. arthrodesis increased the volume of the of the Achilles. He notes one can achieve Dr. Clair notes those with Stage IV-A calcaneocuboid joint by 62 percent.22 pain relief through techniques including should have joint sparing treatment with Dr. Jacobs cites data by Catanzariti and posterior tibial tendon debridement/exci- the goal of preserving ankle motion. He Adeleke, who prefer a double arthrode- sion and flexor digitorum longus transfer. emphasizes realigning the forefoot first, sis of the talonavicular joint and subtalar Patients with arthrosis in the face of noting that one should also identify ankle joint using a single medial approach for a flexible and reducible deformity pre- varus and valgus instability. severe transverse plane deformity.23 The operatively are at risk for loss of correc- As far as deltoid ligament reconstruc- authors note they use this procedure as an tion with only an osteotomy, advises Dr. tion goes, Dr. Clair cites several studies alternative to triple arthrodesis in patients Reeves. If arthrosis is present preopera- involving grafts and triple arthrodeses. who are at high risk for complications. tively, he suggests considering a comput- Deland and colleagues noted the use of Lee found that the medial approach to ed tomography (CT) scan to assess sever- a tendon graft through bone tunnels can the double arthrodesis for a foot with se- ity. He says one should consider lateral help reconstruct the deltoid ligament and vere, longstanding valgus facilitates sim- column lengthening with selective fusion rectify a valgus talar tilt.19 In a cadaver- ilar correction to the triple arthrodesis, and medial soft tissue reconstruction for ic study, Haddad and coworkers noted obviating the necessity of calcaneocuboid patients with pre-op arthrosis. Treatment success in reconstructing the deltoid lig- grafting.24 The author adds that the dou- 9
Post-ACFAS Supplement nographic examination of the posterior tibial tendon. Foot Ankle Int. 1997; 18(1):34–38. 12. Rockett MS, Waitches G, Sudakoff G, Brage M. Use of ultrasonography versus magnetic reso- nance imaging for tendon abnormalities around the ankle. Foot Ankle Int. 1998; 19(9):604–612. 13. Shetty M, Fessell DP, Femino JE, et al. So- nography of ankle tendon impingement with surgical correlation. AJR Am J Roentgenol. 2002; 179(4):949–953. Photo courtesy of Jason Miller, DPM 14. Chen YJ, Liang SC. Diagnostic efficacy of ul- trasonography in stage I posterior tibial tendon dysfunction: sonographic-surgical correlation. Ultrasound Med. 1997; 16(6):417–423. 15. Therman H, Hoffmann R, Zwipp H, Tscherne H. The use of ultrasonography in the foot and ankle. Foot Ankle. 1992; 13(7):386–390. 16. Bureau NJ, Roederer G. Sonography of Achilles tendon xanthomas in patients with heterozygous familial hypercholesterolemia. AJR Am J Roent- genol. 1998; 171(3):745–749. 17. Nallamshetty L, Nazarian LN, Schweitzer ME, et al. Evaluation of posterior tibial pathology: In this longitudinal view of the posterior tibial nerve in the tarsal tunnel, one can see hypoechoic comparison of sonography and MR imaging. infiltrative scar tissue superficial to the nerve and obscuring the margins of the nerve. Skeletal Radiol. 2005;34(7):375-80. 18. Stewart MS, Bettin CC, Ramsey MT, et al. Ef- fect of obesity on outcomes of forefoot surgery. References Foot Ankle Int. 2016; 37(5):483–7. ble arthrodesis leads to fewer wound 1. Johnson KA, Strom DE. Tibialis posterior 19. Deland JT, de Asla RJ, Segal A. Recon- complications, has higher union rates and tendon dysfunction. Clin Orthop Relat Res. struction of the chronically failed deltoid 1989;239:196–206. shorter surgical and recovery times. 2. Myerson MS. Adult acquired flatfoot deformity: ligament: a new technique. Foot Ankle Int. In a study of 32 severe pes planoval- 2004;25(11):795-9. treatment of dysfunction of the posterior tibial 20. Haddad SL, Dedhia S, Ren Y, et al. Deltoid gus deformities in 30 patients, Knupp and tendon. Instr Course Lect. 1997;46:393-405. ligament reconstruction: a novel technique coworkers evaluated the use of a double 3. Conti SF, Michelson J, Jahss M. Clinical with biomechanical analysis. Foot Ankle Int. arthrodesis using a medial approach for significance of magnetic resonance imaging 2010;31(7):639-51. in preoperative planning for reconstruction of hindfoot malalignment.25 The authors posterior tibial tendon rupture. Foot Ankle. 1992; 21. Jeng CL, Bluman EM, Myerson MS. Mini- noted all feet had fusion in a mean of 13 mally invasive deltoid ligament reconstruction 13(4):208–214. for stage IV flatfoot deformity. Foot Ankle Int. weeks and added that the isolated medi- 4. Kerr R, Forrester DM, Kingston S. Magnetic 2011;32(1):21-30. al approach led to fewer wound healing resonance imaging of foot and ankle trauma. 22. Galli MM, Protzman NM, Brigido SA. Ar- problems in comparison with the lateral Orthop Clin North Am. 1990; 21(3):591–601. throdiastasis of the lateral column with medial 5. Khoury NJ, El-Khoury GY, Saltzman CL, approach. Brandser EA. MR imaging of posterior tibial fusion: a retrospective examination of medial Anand and colleagues studied 18 pa- double and Lapidus arthrodeses. J Foot Ankle tendon dysfunction. AJR Am J Roentgenol. 1996; Surg. 2015;54(3):412-6. tients with posterior tibialis dysfunction 167(3):675–682. 23. Catanzariti AR, Adeleke AT. Double arthrod- who had a double arthrodesis of subtalar 6. Schweitzer ME, Caccese R, Karasick D, et al. esis through a medial approach for end-stage and talonavicular joints via a single-in- Posterior tibial tendon tears: utility of secondary adult-acquired flatfoot. Clin Podiatr Med Surg. signs for MR imaging diagnosis. Radiology. 1993; cision medial approach.26 Although the 188(3):655–659. 2014;31(3):435-44. authors noted an 89 percent union rate, 24. Lee MS. Medial approach to the severe valgus 7. Khoury NJ, El-Khoury GY, Saltzman CL, foot. Clin Podiatr Med Surg. 2007;24(4):735-44, ix. they did not recommend their approach Kathol MH. Peroneus longus and brevis tendon 25. Knupp M, Schuh R, Stufkens SA, et al. Subtalar as an alternative to a triple arthrodesis. tears: MR imaging evaluation. Radiology. 1996; and talonavicular arthrodesis through a single DeVries and Scharer compared triple 200(3):833–841. medial approach for the correction of severe 8. Rosenberg ZS, Cheung Y, Jahss MH, et al. arthrodesis with double talonavicular and Rupture of posterior tibial tendon: CT and MR planovalgus deformity. J Bone Joint Surg Br. subtalar arthrodesis, sparing the calca- 2009;91(5):612-5. imaging with surgical correlation. Radiology. 26. Anand P, Nunley JA, DeOrio JK. Single-inci- neocuboid joint.27 The authors found that 1988; 169(1):229–235. sion medial approach for double arthrodesis of one can correct hindfoot deformity with 9. Waitches GM, Rockett M, Brage M, Sudakoff hindfoot in posterior tibialis tendon dysfunction. hindfoot arthrodesis whether surgeons G. Ultrasonographic-surgical correlation of Foot Ankle Int. 2013;34(3):338-44. include the calcaneocuboid joint or not. ankle tendon tears. J Ultrasound Med. 1998; 27. DeVries JG, Scharer B. Hindfoot deformity 17(4):249–256. corrected with double versus triple arthrodesis: Dr. Jacobs notes Shi and Weinraub de- 10. Miller SD,Van Holsbeeck M, Boruta PM, et radiographic comparison. J Foot Ankle Surg. scribed arthroscopic joint preparation as al. Ultrasound in the diagnosis of posterior 2015;54(3):424-7. an effective alternative for hindfoot cor- tibial tendon pathology. Foot Ankle Int. 1996; 28. Shi E, Weinraub GM. Arthroscopic medial rection in six patients.28 n 17(9):555–558. approach for modified double arthrodesis of 11. Hsu TC, Wang CL, Wang TG, et al. Ultraso- the foot. J Foot Ankle Surg. 2017;56(1):167-170. 10
THE OFFICIAL MEETING FOR MEMBERS OF SYMPOSIUM ON ADVANCED WOUND CARE THE ASSOCIATION November 2 – 4, 2018 FOR THE ADVANCEMENT OF WOUND CARE CAESARS PALACE | LAS VEGAS EVERYTHING PODIATRISTS NEED TO KNOW ABOUT WOUND CARE Join us in Las Vegas, Nevada for the Symposium on Advanced Wound Care Fall (SAWC Fall), a leading interdisciplinary conference dedicated to the advancement of wound care and healing. Relevant Sessions for Podiatrists AMP: The Multidisciplinary Biofilm Busters: What They Are, Approach to Limb Salvage How They Work, and How to Use Them Debridement: Fact or Fiction Update on Diabetes Management, 2018 Diagnosing and Treating Diabetic And many more! Foot Infections New Skin Grafting Techniques 22+ 4 1,300+ 100+ CME/CE/CECHs TRACKS ATTENDEES EXHIBITORS Register Today SAWCFALL.COM 800 . 854. 8869 INTENDED LEARNERS Physicians NACCME designates this live activity for a max- Dietitians North American Center for Continuing REQUIRE- This conference is designed for physicians, podiatrists, imum of 22.75 AMA PRA Category 1 Credits™. Physicians Medical Education, LLC (NACCME) is a Continuing MENTS FOR nurses, physical therapists, researchers, and dietitians should claim only the credit commensurate with the extent CREDIT Professional Education (CPE) Accredited Provid- involved in wound healing or wound care issues. SAWC of their participation in the activity. er with the Commission on Dietetic Registration (CDR). 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Post-ACFAS Supplement Essential Insights On Managing Achilles Tendon Ruptures Given the challenges of treating Achilles tendon ruptures and the potential for re-rupture, these panelists at ACFAS shared their thoughts as well as the literature findings on chronic Achilles ruptures, insertional tendinopathy and how to prevent complications. By Brian McCurdy, Managing Editor W hen do you perform surgery for Achilles tendon ruptures? Amber Shane, DPM, FAC- FAS, notes that the literature supports sur- gical management for active older patients noted that operative treatment leads to better outcomes for patients with chronic ruptures.1,2 Dr. Reeves says there are several surgical options for chronic Achilles ruptures, in- and those with chronic ruptures. She says cluding V-Y tendon plasty, a fascial turn- Photo courtesy of William DeCarbo, DPM one should reserve non-operative treat- down flap, allograft transplantation and ment for inactive patients, those in poor flexor hallucis longus transfer. health, those with poor skin and patients Guclu and colleagues cited good results with systemic diseases. for the V-Y plasty in 17 patients with no Ryan Rigby, DPM, FACFAS, says in- re-ruptures and a mean follow-up of 16 trinsic etiologies for intratendinous years.3 Patients had average Achilles de- changes in the Achilles include tendon fects of 6 cm. Studying patients with de- vascularity, gastrocnemius dysfunction, fects of more than 10 cm, Ponnapula and age, sex and weight. He notes extrinsic colleagues described an inverted V tech- etiologies include a change in training nique with a 180-degree twist to create a patterns, poor technique and previous in- fascial strut, according to Dr. Reeves.4 jury. Ultimately, Dr. Rigby says excessive The V-Y advancement flap is Dr. loading on the Achilles leads to tendinop- When it comes to surgical options for Reeves’ preferred approach, especially for athy and an imbalance between muscle Achilles tendinopathy, William DeCarbo, younger patients and those who have acute power and elasticity. DPM, FACFAS, cites debridement of on chronic Achilles ruptures. He notes the Dr. Rigby notes Achilles tendinopathy the posterior calcaneus/Achilles/bursa, technique is straightforward and surgeons is due to a failed healing response, namely gastrocnemius recession, calcaneoplasty can easily combine it with flexor hallu- a haphazard proliferation of tenocytes, de- or calcaneal osteotomy. cis longus transfers. Dr. Reeves adds that generation in tendon cells and disruption a soleus attachment provides vascularity. of collagen fibers. tion (ROM) and receive physical therapy. In regard to the flexor hallucis longus Preoperatively, Dr. Rigby will discuss transfer, Dr. Reeves notes the tendon’s with the patient intrinsic and extrin- Key Pearls For Treating Chronic close proximity to the Achilles is ad- sic factors that may have led to rupture Achilles Ruptures vantageous and the surgical approach is or chronic pathology, and ensure proper Patients with chronic Achilles ruptures relatively simple. He says the axis of the surgical planning. Intraoperatively, he em- will complain of plantarflexion weakness contracture closely resembles that of the phasizes a minimally invasive technique, in the ankle, a palpable mass in the ten- Achilles, the flexor hallucis longus fires preserving the paratenon, offsetting the don, a palpable gap and an inability to rise in phase with the gastroc-soleus complex paratenon incision from the skin incision, up on the toes, according to Christopher and the transfer has minimal biomechani- addressing equinus contracture in the Reeves, DPM, FACFAS. In patients with cal effects.5 Dr. Reeves says flexor hallucis chronic setting, respecting the soft tissues, chronic Achilles ruptures, he notes there longus harvest sites include the posterior avoiding non-absorbable sutures when is a large fixed gap with secondary con- tibial tendon, sustentaculum tali, the mid- possible, and avoiding suture strangula- traction and fibrosis. Dr. Reeves acknowl- foot and the hallux. He selects his harvest tion of tendon tissue. Postoperatively, he edges primary anastomosis is inadequate site based on the size of the defect and the says patients achieve early range of mo- for these patients. He says researchers have amount of distal tendon. 12
Podiatry Today | June 2018 Citing a study of 20 patients with chronic Achilles tendinopathy receiving flexor hallucis longus transfers, David Cal- darella, DPM, FACFAS, says the authors found that 90 percent of patients scored 70 or above on the American Orthopedic Foot and Ankle Society (AOFAS) scale with no post-op re-ruptures.6 Schon and colleagues, in a study of 46 patients with insertional or mid-substance Achilles ten- dinosis, found improvements in function and pain with surgical debridement and a flexor hallucis longus transfer.7 Photo courtesy of William DeCarbo, DPM When performing a flexor hallucis lon- gus transfer, Dr. Caldarella notes an in- phase transfer is ideal. He says this approach offers several advantages, including per- forming the procedure locally, the intrin- sic vascular supply of the area and the area being within the axis of contractile force. For the post-op course, Dr. Reeves keeps patients non-weightbearing in a plantarflexed splint for the first two and a half weeks while patients can bear weight in a neutral boot by weeks five to eight. Reattachment options for the Achilles include bone anchors, screws and trans- He says patients walk in shoes between osseous sutures (shown here). eight and 16 weeks post-op. What You Should Know About stimulation, extracorporeal shockwave nosis.14 In addition, Dr. DeCarbo says De Insertional Achilles Tendinopathy therapy (ESWT), and surgical release. He Vos and colleagues found no difference in Insertional Achilles tendinopathy ac- notes corticosteroid injections are an op- pain improvement between patients using counts for 20 to 25 percent of all Achilles tion but are very controversial. PRP and a placebo.13 disorders, according to William DeCarbo, In a review, Wiegerinck and colleagues When it comes to surgical options, Dr. DPM, FACFAS.8 He cites possible causes noted that eccentric exercises for in- DeCarbo cites debridement of the poste- for insertional Achilles tendinopathy in- sertional Achilles tendinopathy are not rior calcaneus/Achilles/bursa, gastrocne- cluding inflammatory arthropathies, dia- as good as they are for non-insertional mius recession, calcaneoplasty or calcaneal betes, corticosteroid use, age and repetitive pathology.10 In their study of eccentric osteotomy.15 He notes procedures that loading. He notes differential diagnoses stretching, Verrall and coworkers found would use open repair include debriding include Haglund’s deformity and posteri- the therapy less effective for insertion- a degenerated tendon, decompressing the or heel spurs. al Achilles pathology in comparison to bursa, resecting bony pathology, reattach- As far as pathomechanics go, Dr. De- mid-portion Achilles tendinopathy.11 ing the Achilles insertion and augmenting Carbo says the anterior tendon is more Wiegerinck and colleagues found scle- repair with a graft/transfer. involved than the posterior tendon, the rosing polidocanol and hyperosmolar dex- Surgeons can debride between 50 to 70 posterior tendon experiences higher trose to be effective, but urged physicians percent of the Achilles,according to Dr.De- strain during dorsiflexion and there is to exercise caution with these injections.10 Carbo.16–18 He notes Paavola and cowork- fibrocartilaginous endochondral ossifi- The same authors found ESWT to be ef- ers found an overall debridement compli- cation.9 However, he notes fibrocartilagi- fective for insertional Achilles tendinopa- cation rate of 11 percent in 432 patients.19 nous ossification develops on the anteri- thy, notes Dr. DeCarbo. Dr. DeCarbo says Jerosch and cowork- or aspect of the tendon. Dr. DeCarbo cites two studies finding ers found good or excellent results with Dr. DeCarbo cites several treatment op- that PRP injections had less than favor- calcaneoplasty for 81 patients with Ha- tions for insertional Achilles tendinopathy, able results in those with non-insertion- glund’s syndrome at an average follow-up including stretching, offloading, non-ste- al Achilles tendinopathy.12,13 Sadoghi and of 35 months.15 roidal anti-inflammatory drugs (NSAIDs), coworkers found PRP to be benefi- In a review of six studies focusing on orthotics or foot ankle orthotics (AFOs), cial for healing strength in patients with 211 Achilles tendons in 200 patients,Wie- platelet-rich plasma (PRP)/bone marrow acute ruptures but says the therapy had gerinck and colleagues studied resection aspirate, ultrasound-guided debridement/ no benefit for those with Achilles tendi- of the calcaneus, the retrocalcaneal bursa 13
Post-ACFAS Supplement and calcifications.10 Overall, they noted adaptive gait patterns. good patient satisfaction and improved Visual Analogue Scale scores for all the How To Handle Postoperative techniques with no one technique being Achilles Complications superior to the others. What complications commonly arise fol- Surgeons can reattach the Achilles with lowing Achilles rupture surgery? While bone anchors, screws or transosseous su- the Achilles tendon is easy to access and tures, according to Dr. DeCarbo. Refer- has no non-vascular bundles nearby, the ring to a study assessing a central incision patient may have tendon dehiscence, scar technique to facilitate surgical treatment tissue, repair failure and slow healing, ac- Photo courtesy of William DeCarbo, DPM of insertional Achilles tendinopathy, Dr. cording Dr. Rigby. The Achilles midsec- DeCarbo says Nunley and colleagues tion is more hypovascular than the rest of noted 96 percent patient satisfaction at a the tendon, which he says poses the highest mean follow-up of four years.16 risk of rupture and other complications. A study by DeCarbo and Hyer de- Eric Barp, DPM, FACFAS, cites skin scribed transferring the flexor hallucis necrosis, dehiscence, adhesions, sural longus tendon to the calcaneus.20 The nerve injury, tendon lengthening issues, authors note this technique entails a pos- complex regional pain syndrome, deep terior incision and fixation with an inter- vein thrombosis (DVT)/pulmonary em- ference screw. Hunt and colleagues found bolism, re-rupture, infection and painful patients who had a flexor hallucis longus scars as possible complications of surgery tendon transfer had better ankle plantar- for Achilles tendon ruptures. flexion strength in comparison with those Dr. DeCarbo cites possible causes for A review by Wong and colleagues who had Achilles debridement alone insertional Achilles tendinopathy including found the incidence of skin healing com- with no difference in pain and function inflammatory arthropathies, diabetes, plications in Achilles rupture patients to between the two groups.21 However, Dr. corticosteroid use, age and repetitive be the highest, 14.6 percent, in a total of DeCarbo notes the authors suggested re- loading. He notes differential diagnoses 3,718 patients receiving open repair and include Haglund’s deformity (shown above) serving flexor hallucis longus transfer for in immobilized patients.30 Dr. Barp says and posterior heel spurs. revisional Achilles surgery. the authors noted general complications Tallerico and colleagues performed were lower in those who had open repair a retrospective study on gastrocnemius noted poor visualization of the sural nerve and early mobilization. recession for insertional Achilles tendi- and a risk of iatrogenic nerve injury.25 Patients can be at risk for Achilles nopathy in 11 patients.22 Dr. DeCarbo Pinney and coworkers found that pa- re-rupture after surgery, according to Dr. says the authors found patients had relief tients with gastrocnemius contracture Shane. In a study of 762 patients, she notes from pain and a quick recovery at an av- who had an isolated gastrocnemius release Deng and colleagues found surgically erage follow-up of one year. He notes that increased their ankle dorsiflexion by an treated patients experienced a 3.7 percent studies by Duthon, Laborde and their re- average 18.1 degrees with a postoperative rate of re-rupture in comparison to 9.8 spective colleagues found similar positive ankle dorsiflexion equivalent to preopera- percent of those who received non-surgi- results for gastrocnemius recession with tive ankle dorsiflexion.26 cal treatment.31 Laborde recommending the procedure as In a study focusing on 35 patients with Studying 210 patients who had eight the initial treatment.23,24 flatfoot, Rong and colleagues noted the weeks of non-operative care for Achilles Baumann procedure can correct the tendon ruptures, Reito and colleagues Managing Equinus In Achilles tightness of the gastrocnemius or the gas- found 7.1 percent of patients had a Rupture Patients trocnemius-soleus complex.27 re-rupture while 10 percent had “all- When performing the Silfverskiold test to Chimera and coworkers found patients cause failure” of treatment.32 Dr. Shane evaluate equinus, Michael Gentile, DPM, with isolated gastrocnemius contracture says the authors noted age alone was not FACFAS, suggests using consistent land- had improved dorsiflexion range of mo- an indicator for operative treatment as it marks, ensuring the subtalar joint is in tion, function and plantarflexion strength was not a predictor of early failure. neutral and the midtarsal joint is locked. following gastrocnemius recession.28 As Dr. Barp notes, risk factors for wound He says one should measure equinus twice In another study by Chimera and col- complications following Achilles surgery and confirm the position intraoperatively. leagues, surgical intervention for patients include tobacco and steroid use. He cites a In a cavader study, Tashjian and col- with isolated gastrocnemius contracture study noting wound complications in 10 leagues found surgeons can attain a did not create any negative gait adapta- percent of 219 Achilles surgery patients.33 complete gastrocnemius aponeurosis tions.29 However, the authors noted that In a study of 371 patients who were im- transection with a modified endoscopic patients may benefit from gait retraining mobilized after an Achilles rupture, Lassen gastrocnemius recession, but the authors following recession due to post-op mal- and coworkers found deep vein throm- 14
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