Faculty Bibliography

Bone marrow stimulation (BMS) is indicated for patients who have symptomatic osteochondral lesions of the talus (OLT). Despite differences in ankle biomechanics and cartilage morphology between men and women, there is scant evidence examining whether these differences affect surgical outcomes. The purpose of this study was to compare the outcomes in men and women following BMS for OLTs. A retrospective analysis comparing female and male patients treated with BMS for OLT between 2007 and 2015 was performed. Clinical outcomes were evaluated using the Foot and Ankle Outcome Scores (FAOS) and Short-Form 12 (SF-12). Magnetic resonance imaging at final follow-up was evaluated with the modified magnetic resonance observation of cartilage repair tissue score. Thirty-one females and 38 males were included. In female patients, the mean FAOS pain score improved from 60 ± 16 preoperatively to 84 ± 8.9 at 1- to 2-year follow-up (p < .01), and then decreased to 80±13 at final follow-up at 3-4 years. In male patients, the mean FAOS pain score improved from 65±17 preoperatively to 83±9.2 at 1-2 year follow-up (p < .01), and then decreased to 76±14.6 at final follow-up at 3-4 years. Lateral lesions were more common in male patients. Medial lesions were more common in female patients. The outcomes following BMS in both female and male patients were good with no significant differences at short-term follow-up. FAOS scores in male patients were more likely to decrease after 1 to 2 years postsurgery, implying a possibly faster decline than in female patients.

BACKGROUND:Tarsal tunnel syndrome (TTS) is typically caused by an anatomical variant or mechanical compression of the tibial nerve (TN) with variable success after surgical treatment. METHOD/METHODS:40 lower-leg specimens were obtained. Dissections were appropriately conducted. Extremities were prepared under formaldehyde solution. The tibial nerve and branches were dissected for measurements and various characteristics. RESULTS:The flexor retinaculum had a denser consistency in 22.5% of the cases and the average length was 51.9 mm. The flexor retinaculum as an independent structure was absent and 77.2% of cases as an undistinguished extension of the crural fascia. The lateral plantar nerve (LPN) and abductor digiti minimi (ADM) nerve shared same origin in 80% of cases, 34.5% bifurcated proximal to the DM (Dellon-McKinnon malleolar-calcaneal line) line 31.2% distally and 34.3% at the same level. CONCLUSION/CONCLUSIONS:Understanding the tibial nerve anatomy will allow us to adapt our surgical technique to improve the treatment of this recurrent pathology.

PURPOSE/OBJECTIVE:To evaluate the complication rates, continuous functional outcome scores, and return to play data following bone marrow stimulation (BMS) versus biologics ± BMS for the treatment of osteochondral lesion of the talus (OLT). METHODS:A systematic review was performed. The PubMed and Embase databases were searched using specific search terms and eligibility criteria according to the PRISMA guidelines. The level of evidence was assessed using published criteria by The Journal of Bone & Joint Surgery, and the quality of evidence using the Modified Coleman Methodology Score. Continuous variables were presented as mean ± standard deviation and categorical variables as frequencies (percentages). RESULTS:BMS versus BMS + hyaluronic acid (HA): no complications in either treatment arm were reported. The mean American Orthopaedic Foot and Ankle Society score was 43.5 to 67.3 points and 44.0 to 72.4 points, respectively. The mean 10 mm Visual Analogue Scale pain score was 7.7 to 3.8 points and 7.5 to 2.5 points, respectively. BMS versus BMS + concentrated bone marrow aspirate (CBMA): the pooled overall complication rate was 17/64 (26.6%) versus 11/71 (15.5%), respectively (non-significant). The pool revision rate was 15/64 (23.4%) versus 6/71 (8.5%), respectively (p = 0.016). There has been a notable poor reporting of complication rates for the use of ADSC and PRP as adjuvant biological therapies to BMS for the treatment of OLT. CONCLUSION/CONCLUSIONS:There was an overall limited comparative clinical evidence of adjuvant biologics with BMS versus BMS alone for the treatment of OLT. BMS + HA and BMS + CBMA can provide superior outcomes, albeit the currently limited evidence. Further studies are warranted to establish the true clinical superiority of the various biologics ± BMS versus BMS alone. These studies must also compare the various biologics against one another to determine, if any, the optimal biologic for OLT. Clinicians should counsel patients accordingly on these findings as required. LEVEL OF EVIDENCE/METHODS:Level III.

BACKGROUND:Endoscopic plantar fascia release (EPFR) is an established operative treatment for recalcitrant plantar fasciitis. The purpose of this systematic review is to provide a comprehensive review on the outcomes of EPFR in the treatment of plantar fasciitis at mid-term and long-term follow-up. METHODS:A systematic review was performed using, MEDLINE, EMBASE, and Cochrane library databases in May 2020 based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Studies included were evaluated regarding level of evidence (LOE) and quality of evidence (QOE) using the modified Coleman methodological score. Clinical outcomes and complications were also evaluated. RESULTS:Twenty-six studies including 978 feet were included in this systematic review with a weighted mean follow-up of 25.6 ± 21.0 months. Eighteen papers used the American Orthopaedic Foot and Ankle Society (AOFAS) score. The weighted mean preoperative AOFAS score was 55.66 ± 10.3, and the postoperative score was 89.6 ± 5.2 out of 100. The total number of patients who had complications was 88 of 994 (8.9%). The most common complication was recurrence of pain experienced by 41 patients (4.2%). CONCLUSION/CONCLUSIONS:Endoscopic plantar fascia release provides good clinical and functional outcomes in patients with refractory plantar fasciitis. However, this procedure is associated with a moderately high complication rate (8.9%) and should only be considered following failure of conservative management. Future prospective studies comparing the various endoscopic and open techniques with nonoperative treatment are required to elucidate the most effective management for recalcitrant plantar fasciitis. LEVELS OF EVIDENCE/UNASSIGNED:Level I: Systematic review of level IV studies.

BACKGROUND:The evidence supporting best practice guidelines in the field of cartilage repair of the ankle are based on both low quality and low levels of evidence. Therefore, an international consensus group of experts was convened to collaboratively advance toward consensus opinions based on the best available evidence on key topics within cartilage repair of the ankle. The purpose of this article is to report the consensus statements on "Pediatric Ankle Cartilage Lesions" developed at the 2019 International Consensus Meeting on Cartilage Repair of the Ankle. METHODS:Forty-three international experts in cartilage repair of the ankle representing 20 countries convened to participate in a process based on the Delphi method of achieving consensus. Questions and statements were drafted within four working groups focusing on specific topics within cartilage repair of the ankle, after which a comprehensive literature review was performed and the available evidence for each statement was graded. Discussion and debate occurred in cases where statements were not agreed upon in unanimous fashion within the working groups. A final vote was then held, and the strength of consensus was characterised as follows: consensus: 51-74%; strong consensus: 75-99%; unanimous: 100%. RESULTS:A total of 12 statements on paediatric ankle cartilage lesions reached consensus during the 2019 International Consensus Meeting on Cartilage Repair of the Ankle. Five achieved unanimous support, and seven reached strong consensus (>75% agreement). All statements reached at least 84% agreement. CONCLUSIONS:This international consensus derived from leaders in the field will assist clinicians with the management of paediatric ankle cartilage lesions.

BACKGROUND:The negative effects of bullying, discrimination, harassment, and sexual harassment (BDHS) on well-being and productivity of surgical residents in training have been well documented. Despite this, little has changed over the past decade and these behaviors continue. The purpose of this study was to determine the prevalence of each abusive behavior experienced by residents, identify the perpetrators, and examine the reporting tendency. METHODS:A systematic review of articles published between 2010 and 2020 in the MEDLINE, EMBASE, and Cochrane databases was performed following PRISMA guidelines. The following search terms were used: bullying, harassment, sexual harassment, discrimination, abuse, residency, surgery, orthopedic surgery, general surgery, otolaryngology, obstetrics, gynecology, urology, plastic surgery, and training. RESULTS:Twenty-five studies with 29,980 surgical residents were included. Sixty-three percent, 43, 29, and 27% of surgical residents experienced BDHS, respectively. Female residents reported experiencing all BDHS behaviors more often. Thirty-seven percent of resident respondents reported burnout, and 33% reported anxiety/depression. Attending surgeons, followed by senior co-residents, were the most common perpetrators. Seventy-one percent did not report the behavior to their institution. Fifty-one percent stated this was due to fear of retaliation. Of those who reported their experiences, 56% stated they had a negative experience reporting. CONCLUSION/CONCLUSIONS:Our review demonstrates high prevalence rates of BDHS experienced by residents during surgical training, which have been associated with burnout, anxiety, and depression. The majority of residents did not report BDHS due to fear of retaliation. Residency programs need to devise methods to have a platform for residents to safely voice their complaints.

Osteochondral lesions of the talar dome (OLT) are common injuries that involve cartilage and subchondral bone. These injuries appear in up to 42% of professional soccer players on magnetic resonance imaging (MRI). Typically, patients are 20 35-yearold male athletes experiencing chronic ankle pain, decreased range of motion, and joint effusion, especially during or after sports activities, and compromised quality of life. The low regeneration potential of chondrocytes and the recent findings revealing subchondral bone architecture's role in cartilage homeostasis, repair durability, and overall clinical outcomes make OLT treatment a challenging topic in orthopedics. The aim of this narrative review was to outline a surgical treatment algorithm for OLT management in the athlete. Debridement and bone marrow stimulation techniques remain the first-line treatment of OLT with satisfactory short- to long-term outcomes, a high return to sports (RTS) rate, and a rapid RTS, with improved results when augmented with PRP. Still, considering the controversy of its potential disadvantages, debridement should be limited to the International Cartilage Repair Society (ICRS) grade I-II injuries regardless of its size and with or without additional bone marrow stimulation (BMS)in ICRS III < 1.0 cm² injuries. In the presence of larger lesions and subchondral plate and bone involvement, the benefits and disadvantages of osteochondral autologous transplantation system (OATS)/mosaicplasty and scaffold-based techniques should be considered for a tailored treatment approach either as a primary procedure or as an off-season procedure for better cartilage tissue quality, functional outcomes, and potentially increasing the player's professional career length.

Concentrated bone marrow aspirate (CBMA) offers an alternative to sesamoid resection in end stage sesamoid pathology. CBMA potentiates the anti-inflammatory effect, stimulates local tissue regeneration and osteogenesis, when injected into bone. The purpose of this study is to evaluate the functional outcomes in a cohort of athletes following CBMA injection for the treatment of hallux sesamoid disorders. A retrospective case series of consecutive patients treated with CBMA injection for hallux sesamoid disorders were identified. Radiographs, Foot and Ankle Outcome Scores (FAOS), and Visual Analogue Scale (VAS) score were collected pre- and postinjections. Descriptive statistics were presented as the mean and standard deviation for continuous variables and frequency as percentages for categorical variables. Fifteen consecutive patients with were included with a mean follow-up time of 20.1 (range 12-34) months. Significant improvement in all scoring subscales of the FAOS and VAS score was noted preinjection compared to final follow-up postinjection (p < .001). Eight of 11 patients that were involved in sports prior to the CBMA injection returned to play, with 7 successfully returning to preinjury level status. Three patients required further treatment (20%). The case series suggests that CBMA injection is a safe and effective treatment option for hallux sesamoid disorders with a high rate of return to play.

Hallux rigidus is the most common arthritic condition of the foot. Interpositional arthroplasty (IPA) is indicated for advanced-stage hallux rigidus and attempts to maintain joint motion through insertion of a biologic spacer into the joint. However, the data evaluating the effectiveness of IPA are limited. The purpose of this study was to systematically review the outcomes of IPA in the treatment of hallux rigidus. MEDLINE, EMBASE, and Cochrane Library databases were systematically reviewed based on the preferred reporting items for systematic reviews and meta-analyses guidelines. Outcomes collected and analyzed included: American Orthopaedic Foot and Ankle Society (AOFAS) hallux metatarsophalangeal-interphalangeal (HMI) score, visual analogue scale score, short-form 36 score, range of motion (ROM), radiographic parameters, and postoperative complications. The level and quality of clinical evidence were recorded and assessed. Sixteen studies with a total of 428 patients met inclusion/exclusion criteria. The mean AOFAS-HMI score improved from 51.6 ± 10.1 (range 35.0-64.2) preoperatively to 86.0 ± 7.7 (range 71.6-95.4) postoperatively (p ≤ .001) at weighted mean follow-up of 58.0 ± 34.5 (range 16.5-135.6) months. The preoperative weighted mean total ROM was 39.3° ± 9.6° (range 24.2-49.9) and the postoperative weighted mean total ROM was 61.5° ± 4.8° (range 54.0-66.5) (p ≤ .001). The complication rate was 21.5% with metatarsalgia as the most commonly reported complication. One study was level 3 and 15 studies were level 4 clinical evidence. This systematic review demonstrates improvement in functional and ROM outcomes following IPA procedure at mid-term follow-up. The procedure however has a moderate complication rate. In addition, there is a low level and quality of evidence in the current literature with inconsistent reporting of data.

Background/UNASSIGNED:There is minimal literature on the use of suture tape augmentation in the treatment of chronic lateral ankle instability (CLAI), prompting an investigation on its use and effect during surgery of the lateral ankle. Purpose/UNASSIGNED:To evaluate the evidence for the use of suture tape augmentation in the treatment of CLAI and the outcomes after this procedure. Study Design/UNASSIGNED:Systematic review; Level of evidence, 4. Methods/UNASSIGNED:A literature search was performed using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Studies were included if they evaluated the use of suture tape for CLAI. Outcome measures included the Foot and Ankle Ability Measure, American Orthopaedic Foot and Ankle Society (AOFAS) score, return to play, and radiological improvement in anterior talar translation and talar tilt angle. Quantitative and qualitative analyses were performed. Results/UNASSIGNED:= .77). Conclusion/UNASSIGNED:Suture tape augmentation did not significantly improve clinical or radiological outcomes in the setting of modified Broström repair for CLAI. There is currently insufficient evidence to recommend suture tape augmentation for all patients at this time.