scholarly journals Bipolar fresh osteochondral allograft of the shoulder

Joints ◽  
2013 ◽  
Vol 01 (04) ◽  
pp. 150-154 ◽  
Author(s):  
Sandro Giannini ◽  
Elisa Sebastiani ◽  
Alba Shehu ◽  
Matteo Baldassarri ◽  
Susanna Maraldi ◽  
...  
Keyword(s):  
Constant Score ◽  
Case Series ◽  
Clinical Results ◽  
Osteochondral Allograft ◽  
Level Of Evidence ◽  
Fresh Osteochondral Allograft ◽  
Post Traumatic ◽  
Glenohumeral Osteoarthritis ◽  
End Stage

Purpose: to describe an original technique and preliminary results of bipolar fresh osteochondral allograft implantation for the treatment of end-stage glenohumeral osteoarthritis. Methods: three patients underwent bipolar fresh osteochondral allograft implantation to the shoulder. Clinical and radiographical evaluations were carried out periodically through to final follow-up. Results: constant Score increased from 38.3 ± 2.9 preoperatively to 78.7 ± 16.2 at 12 months, 72.3 ±15.3 at 24 months, and 59.3 ± 22.0 at 34 months. Arthritis and partial reabsorption of the implanted surfaces were evident radiographically. Conclusions: the clinical results obtained in these patients seem to support the applicability of bipolar fresh osteochondral allograft implantation in the shoulder in subjects with severe post-traumatic arthritis and intact rotator cuff. The development of arthritis of the implanted surfaces, while not impacting the clinical result, is a cause of concern. Level of Evidence: level IV, therapeutic case series.

scholarly journals A Novel Retensioning Technique for Arthroscopic Repair of PASTA Lesions: A Clinical and Radiologic Outcome Study of 24 Shoulders

2021 ◽  
Vol 9 (3) ◽  
pp. 232596712098688
Author(s):  
Su Cheol Kim ◽  
Jong Ho Jung ◽  
Sang Min Lee ◽  
Jae Chul Yoo
Keyword(s):  
Constant Score ◽  
Case Series ◽  
Tendon Healing ◽  
Shoulder Abduction ◽  
Level Of Evidence ◽  
Simple Shoulder Test ◽  
Shoulder Range Of Motion ◽  
Functional Scores ◽  
The Mean

Background: There is no consensus on the ideal treatment for partial articular supraspinatus tendon avulsion (PASTA) lesions without tendon damage. Purpose: To introduce a novel “retensioning technique” for arthroscopic PASTA repair and to assess the clinical and radiologic outcomes of this technique. Study Design: Case series; Level of evidence, 4. Methods: A retrospective analysis was performed on 24 patients whose PASTA lesion was treated using the retensioning technique between January 2011 and December 2015. The mean ± SD patient age was 57.6 ± 7.0 years (range, 43-71 years), and the mean follow-up period was 57.6 ± 23.4 months (range, 24.0-93.7 months). Sutures were placed at the edge of the PASTA lesion, tensioned, and fixed to lateral-row anchors. After surgery, shoulder range of motion (ROM) and functional scores (visual analog scale [VAS] for pain, VAS for function, American Shoulder and Elbow Surgeons [ASES] score, Constant score, Simple Shoulder Test, and Korean Shoulder Score) were evaluated at regular outpatient visits; at 6 months postoperatively, repair integrity was evaluated using magnetic resonance imaging (MRI). Results: At 12 months postoperatively, all ROM variables were improved compared with preoperative values, and shoulder abduction was improved significantly (136.00° vs 107.08°; P = .009). At final follow-up (>24 months), the VAS pain, VAS function, and ASES scores improved, from 6.39, 4.26, and 40.09 to 1.00, 8.26, and 85.96, respectively (all P < .001). At 6 months postoperatively, 21 of the 24 patients (87.5%) underwent follow-up MRI; the postoperative repair integrity was Sugaya type 1 or 2 for all of these patients, and 13 patients showed complete improvement of the lesion compared with preoperatively. Conclusion: The retensioning technique showed improved ROM and pain and functional scores as well as good tendon healing on MRI scans at 6-month follow-up in the majority of patients. Thus, the retensioning technique appears to be reliable procedure for the PASTA lesion.

scholarly journals Return to Sport After Large Single-Surface, Multisurface, or Bipolar Osteochondral Allograft Transplantation in the Knee Using Shell Grafts

2021 ◽  
Vol 9 (1) ◽  
pp. 232596712096792
Author(s):  
James L. Cook ◽  
Kylee Rucinski ◽  
Cory R. Crecelius ◽  
Richard Ma ◽  
James P. Stannard
Keyword(s):  
Femoral Condyle ◽  
Case Series ◽  
Return To Sport ◽  
Patient Reported Outcome Measures ◽  
Patient Reported Outcome ◽  
Osteochondral Allograft ◽  
Level Of Evidence ◽  
Recreational Athletes ◽  
Patient Reported

Background: Return to sport (RTS) after osteochondral allograft (OCA) transplantation for large unipolar femoral condyle defects has been consistent, but many athletes are affected by more severe lesions. Purpose: To examine outcomes for athletes who have undergone large single-surface, multisurface, or bipolar shell OCA transplantation in the knee. Study Design: Case series; Level of evidence, 4. Methods: Data from a prospective OCA transplantation registry were assessed for athletes who underwent knee transplantation for the first time (primary transplant) between June 2015 and March 2018 for injury or overuse-related articular defects. Inclusion criteria were preinjury Tegner level ≥5 and documented type and level of sport (or elite unit active military duty); in addition, patients were required to have a minimum of 1-year follow-up outcomes, including RTS data. Patient characteristics, surgery type, Tegner level, RTS, patient-reported outcome measures (PROMs), compliance with rehabilitation, revisions, and failures were assessed and compared for statistically significant differences. Results: There were 37 included athletes (mean age, 34 years; range, 15-69 years; mean body mass index, 26.2 kg/m2; range, 18-35 kg/m2) who underwent large single-surface (n = 17), multisurface (n = 4), or bipolar (n = 16) OCA transplantation. The highest preinjury median Tegner level was 9 (mean, 7.9 ± 1.7; range, 5-10). At the final follow-up, 25 patients (68%) had returned to sport; 17 (68%) returned to the same or higher level of sport compared with the highest preinjury level. The median time to RTS was 16 months (range, 7-26 months). Elite unit military, competitive collegiate, and competitive high school athletes returned at a significantly higher proportion ( P < .046) than did recreational athletes. For all patients, the Tegner level at the final follow-up (median, 6; mean, 6.1 ± 2.7; range, 1-10) was significantly lower than that at the highest preinjury level ( P = .007). PROMs were significantly improved at the final follow-up compared with preoperative levels and reached or exceeded clinically meaningful differences. OCA revisions were performed in 2 patients (5%), and failures requiring total knee arthroplasty occurred in 2 patients (5%), all of whom were recreational athletes. Noncompliance was documented in 4 athletes (11%) and was 15.5 times more likely ( P = .049) to be associated with failure or a need for revision than for compliant patients. Conclusion: Large single-surface, multisurface, or bipolar shell OCA knee transplantations in athletes resulted in two-thirds of these patients returning to sport at 16 to 24 months after transplantation. Combined, the revision and failure rates were 10%; thus, 90% of patients were considered to have successful 2- to 4-year outcomes with significant improvements in pain and function, even when patients did not RTS.

Does Transection of the Superficial MCL During HTO Result in Progressive Valgus Instability?

2021 ◽  
pp. 036354652110591
Author(s):  
Joo-Hwan Kim ◽  
Dong Jin Ryu ◽  
Sung-Sahn Lee ◽  
Seung Pil Jang ◽  
Jae Sung Park ◽  
...  
Keyword(s):  
Case Series ◽  
Preoperative Assessment ◽  
International Knee Documentation Committee ◽  
Clinical Results ◽  
Osteotomy Site ◽  
Tibial Osteotomy ◽  
Level Of Evidence ◽  
Valgus Stress ◽  
Valgus Instability

Background: During high tibial osteotomy (HTO), the superficial medial collateral ligament (sMCL) is cut or released at any degree to expose the osteotomy site and achieve the targeted alignment correction according to the surgeon’s preference. However, it is still unclear whether transection of sMCL increases valgus laxity. Purpose: We aimed to assess the outcomes and safety of sMCL transection, especially focusing on iatrogenic valgus instability. Study Design: Case series; Level of evidence, 4. Methods: Seventy-two patients (89 knees) who underwent medial open wedge HTO (MOWHTO) with transection of the sMCL between October 2013 and September 2018 were retrospectively investigated. Clinical evaluations, including the International Knee Documentation Committee (IKDC) score, Knee injury and Osteoarthritis Outcome Score (KOOS), and Tegner and Lysholm scores, were performed preoperatively and at 2 years postoperatively. The radiographic parameters hip-knee-ankle (HKA) angle, joint line convergence angle on standing radiographs (standing JLCA), and weightbearing line (WBL) ratio were assessed preoperatively and at 3 months, 6 months, 1 year, and 2 years postoperatively. To evaluate valgus laxity, we assessed the valgus JLCA and medial joint opening (MJO) at the aforementioned time points using valgus stress radiographs. Results: All clinical results at the 2-year follow-up were significantly improved compared with those obtained at the preoperative assessment ( P < .001). The postoperative HKA angle significantly differed from the preoperative one, and no significant valgus progression was observed during follow-up (preoperative, 8.5°± 2.7°; 3 months, –3.5°± 2.0°; 6 months, –3.2°± 2.3°; 1 year, –3.1°± 2.3°; 2 years, –2.9°± 2.5°; P < .001) The mean WBL ratio was 62.5% ± 9.0% at 2 years postoperatively. The postoperative valgus JLCA at all follow-up points did not significantly change compared with the preoperative valgus JLCA (preoperative, –0.1°± 2.1°; 3 months, –0.2°± 2.4°; 6 months, –0.1°± 2.5°; 1 year, 0.1°± 2.5°; 2 years, 0.2°± 2.2°) The postoperative MJO at all follow-up points did not significantly change compared with the preoperative MJO (preoperative, 7.1 ± 1.7 mm; 3 months, 7.0 ± 1.7 mm; 6 months, 6.9 ± 1.9 mm; 1 year, 6.7 ± 1.8 mm; 2 years, 6.8 ± 1.8 mm). Conclusion: Transection of the sMCL during MOWHTO does not increase valgus laxity and could yield desirable clinical and radiographic results.

Midterm Results of Fresh-Frozen Osteochondral Allografting for Osteochondral Lesions of the Talus

2020 ◽  
pp. 107110072094986
Author(s):  
Chung-Hua Chu ◽  
Ing-Ho Chen ◽  
Kai-Chiang Yang ◽  
Chen-Chie Wang
Keyword(s):  
Short Form ◽  
Case Series ◽  
Osteochondral Allograft ◽  
Osteochondral Lesions ◽  
Midterm Results ◽  
Level Of Evidence ◽  
Allograft Transplantation ◽  
Fresh Frozen ◽  
The Mean

Background: Osteochondral lesions of the talus (OLT) are relatively common. Following the failure of conservative treatment, many operative options have yielded varied results. In this study, midterm outcomes after fresh-frozen osteochondral allograft transplantation for the treatment of OLT were evaluated. Methods: Twenty-five patients (12 women and 13 men) with a mean age 40.4 (range 18-70) years between 2009 and 2014 were enrolled. Of 25 ankles, 3, 13, 4, and 4 were involved with the talus at Raikin zone 3, 4, 6, and 7 as well as one coexisted with zone 4 and 6 lesion. The mean OLT area was 1.82 cm2 (range, 1.1-3.0). The mean follow-up period was 5.5 years (range, 4-9.3). Outcomes evaluation included the American Orthopaedic Foot & Ankle Society (AOFAS) ankle-hindfoot score, visual analog scale score, and 12-item Short Form Health Survey (SF-12). Result: AOFAS ankle-hindfoot score increased from 74 preoperatively to 94 at 2 years postoperatively ( P < .001) and the SF-12 physical health component scores increased from 32 to 46 points ( P < .001). Incorporation was inspected in all patients in the latest follow-up, and graft subsidence and radiolucency were observed in 2 and 7 cases, respectively, whereas graft collapse and revision OLT graft were not observed. Bone sclerosis was found in 6 of 25 patients. Conclusion: With respect to midterm results, fresh, frozen-stored allograft transplantation might be an option in the management of symptomatic OLT. Level of Evidence: Level IV, retrospective case series.

Comparison of Intermediate-term Outcomes of Total Ankle Arthroplasty in Primary and Ligamentous Post-traumatic Osteoarthritis

2019 ◽  
Vol 40 (11) ◽  
pp. 1273-1281 ◽  
Author(s):  
Gun-Woo Lee ◽  
Asep Santoso ◽  
Keun-Bae Lee
Keyword(s):  
Short Form ◽  
Total Ankle Arthroplasty ◽  
Level Of Evidence ◽  
Ankle Arthroplasty ◽  
Radiographic Outcomes ◽  
Primary Osteoarthritis ◽  
Post Traumatic ◽  
American Orthopaedic ◽  
End Stage

Background: Ankle ligamentous injuries without fracture can result in end-stage ligamentous post-traumatic osteoarthritis, which may cause ligamentous imbalance after total ankle arthroplasty (TAA). However, outcomes of TAA in these patients are not well known. The purpose of this study was to evaluate intermediate-term clinical and radiographic outcomes of TAA in patients with ligamentous post-traumatic osteoarthritis and compare them with results of TAA for patients with primary osteoarthritis. Methods: We enrolled 114 patients (119 ankles) with consecutive primary TAA using HINTEGRA prosthesis at a mean follow-up duration of 6.0 years (range, 3-13). We divided all patients into 2 groups according to the etiology of osteoarthritis: (1) primary osteoarthritis group (69 ankles) and (2) ligamentous post-traumatic osteoarthritis group (50 ankles). Results: There was no significant intergroup difference in mean Ankle Osteoarthritis Scale (AOS), American Orthopaedic Foot & Ankle Society (AOFAS) ankle-hindfoot score, Short Form-36 Physical Component Summary, visual analog scale pain score, ankle range of motion, or complications at the final follow-up. However, the final tibiotalar angle was less corrected to 4.2 degrees in the ligamentous post-traumatic osteoarthritis group compared to 2.7 degrees in the primary osteoarthritis group ( P = .001). More concomitant procedures were required at the index surgery for the ligamentous post-traumatic osteoarthritis group ( P = .001). The estimated 5-year survivorship was 93.4% (primary osteoarthritis group: 91.3%; ligamentous post-traumatic osteoarthritis group: 95.8%). Conclusions: Clinical outcomes, complication rate, and 5-year survivorship of TAA in ankles with primary and ligamentous post-traumatic osteoarthritis were comparable with intermediate-term follow-up. Our results suggest that TAA would be a reliable treatment in ankles with ligamentous post-traumatic osteoarthritis when neutrally aligned stable ankles are achieved postoperatively. Level of Evidence: Level III, retrospective cohort study.

scholarly journals Preliminary Experience Using Bioactive Glass Wedges for Cotton Osteotomy

2018 ◽  
Vol 3 (4) ◽  
pp. 247301141879686
Author(s):  
Tood Borenstein ◽  
Tyler Gonzalez ◽  
Janet Krevolin ◽  
Bryan Den Hartog ◽  
David Thordarson
Keyword(s):  
Bioactive Glass ◽  
Case Series ◽  
Clinical Results ◽  
Delayed Union ◽  
Complication Rates ◽  
Level Of Evidence ◽  
Opening Wedge ◽  
Radiographic Outcomes ◽  
Initial Correction

Background: Medial cuneiform dorsal opening wedge (Cotton) osteotomy is often used for treating forefoot varus in patients undergoing surgery for stage II posterior tibialis tendon dysfunction. The goal of this study was to examine the radiographic outcomes of Cotton osteotomy with bioactive glass wedge to assess for both maintenance of correction and clinical results and complications. We hypothesized that bioactive glass wedges would maintain correction of the osteotomy with low complication rates. Methods: Between December 2015 and June 2016, the charts of 17 patients (10 female and 7 male) who underwent Cotton osteotomy using bioactive glass wedges were retrospectively reviewed. Patient age averaged 56.8 years (range, 16-84). The average follow-up was 6.5 months. Radiographs were reviewed to assess for initial correction and maintenance of correction of medial column sag as well as for union. Charts were reviewed for complications. Results: The medial column sag correction averaged 15.6% on the final postoperative lateral radiograph. Meary angle averaged 19 degrees (3.14-42.8 degrees) preoperatively and 5.5 degrees (0.4-20.7 degrees) at final follow-up. All patients achieved clinical and radiographic union. One patient developed neuropathic midfoot pain and was managed with sympathetic blocks. One patient had a delayed union that healed at 6 months without surgical intervention. No patients required the use of custom orthotics or subsequent surgical procedures. Conclusion: Cotton osteotomy with bioactive glass wedges produced consistent correction of the medial column with low risk. Level of Evidence: Level IV, case series.

Clinical Outcomes of Total Ankle Arthroplasty With Total Talar Prosthesis

2019 ◽  
Vol 40 (8) ◽  
pp. 948-954
Author(s):  
Noriyuki Kanzaki ◽  
Nobuaki Chinzei ◽  
Tetsuya Yamamoto ◽  
Takahiro Yamashita ◽  
Kazuyuki Ibaraki ◽  
...  
Keyword(s):  
Range Of Motion ◽  
Case Series ◽  
Total Ankle Arthroplasty ◽  
Medial Malleolus ◽  
Level Of Evidence ◽  
Ankle Arthroplasty ◽  
The Mean ◽  
End Stage ◽  
Medial Malleolus Fracture

Background: Total ankle arthroplasty (TAA) has been developed to treat patients with end-stage ankle osteoarthritis (OA). However, there is often difficulty in treating complicated pathologies such as ankle OA with subtalar joint OA and severe talar collapse. Therefore, this study aimed to explore the short-term results and complications of TAA with total talar prosthesis, known as combined TAA, as the new techniques to treat such complicated pathology. Methods: We examined postoperative results including ankle range of motion, Japanese Society for Surgery of the Foot (JSSF) scale, and complications. There were 22 patients (15 women), with mean follow-up of 34.9 (range, 24–53 months), and the mean age was 72 (range, 62–80) years. The main indications for combined TAA included osteoarthritis (18 patients), rheumatoid arthritis (3 patients), and talar osteonecrosis with osteoarthritis (one patient). Results: The mean range of motion improved from 4.0 to 14.4 degrees in dorsiflexion and from 23.8 to 32.0 degrees in plantarflexion. The JSSF scale improved from 50.5 to 91.5 points. Prolonged wound healing occurred in 3 patients, and medial malleolus fracture occurred in 4 patients. Conclusion: Combined TAA was a reliable procedure for the treatment of not only ankle OA following avascular necrosis of talus but also of degeneration of both ankle and subtalar joints. Level of Evidence: Level IV, case series.

Return to Sport and Recreational Activity After Osteochondral Allograft Transplantation in the Knee

2017 ◽  
Vol 45 (7) ◽  
pp. 1608-1614 ◽  
Author(s):  
E. Scott Nielsen ◽  
Julie C. McCauley ◽  
Pamela A. Pulido ◽  
William D. Bugbee
Keyword(s):  
Case Series ◽  
Return To Sport ◽  
Lifestyle Changes ◽  
Cartilage Injury ◽  
Osteochondral Allograft ◽  
Recreational Activity ◽  
Level Of Evidence ◽  
Entire Cohort ◽  
Patient Reported

Background: Osteochondral allograft (OCA) transplantation is an integral part of the cartilage repair paradigm, but insufficient data are available regarding return to sport or recreational activity after the procedure. Purpose: The purpose of this study was to determine if athletic patients undergoing OCA transplantation returned to sport, assess reasons for not returning to sport, and ascertain patient and graft-related characteristics that differed between those who returned or did not return to sport. The secondary aims were to assess graft survivorship and patient-reported subjective outcome measures (pain, function, satisfaction) among athletic patients undergoing OCA transplantation. Study Design: Case series; Level of evidence, 4. Methods: We identified 149 knees in 142 patients who participated in sport or recreational activity before a cartilage injury (45% highly competitive athletes and 55% well-trained and frequently sporting) and underwent OCA transplantation in the knee. The mean age was 31.2 years and 58.4% were male. Information on preinjury and postoperative participation in sport or recreational activity was collected. Patients not returning to sport after OCA transplantation were mailed a questionnaire to assess why. Postoperative pain, function, and satisfaction scores were obtained, and further surgery on the operative knee was documented. Results: At a mean follow-up of 6 years, 75.2% of knees returned to sport or recreational activity. Among those who did not return to sport, knee-related issues and lifestyle changes were cited as reasons why. Patients who did not return to sport were more likely to be female, have injured their knee in an activity other than sport, and have a larger graft size. The diagnosis and anatomic location also differed. Overall, 71% of knees reported having “very good” to “excellent” function, and 79% were able to participate in a high level of activity (moderate, strenuous, or very strenuous) postoperatively. After OCA transplantation, 25.5% of knees underwent further surgery; 14 knees (9.4% of entire cohort) were considered allograft failures. Among the 135 knees that had the graft remaining in situ, pain and function improved from preoperatively to the latest follow-up on all measures, and 91% of patients were satisfied with the results of the surgery. Conclusion: OCA transplantation is a successful treatment option for athletes and highly active patients who sustain a cartilage injury to their knee. The majority of patients returned to sport or recreational activity.

Autologous Chondrocyte Implantation as Treatment for Unsalvageable Osteochondritis Dissecans: 10- to 25-Year Follow-up

2020 ◽  
Vol 48 (5) ◽  
pp. 1134-1140 ◽  
Author(s):  
James L. Carey ◽  
Kevin G. Shea ◽  
Anders Lindahl ◽  
Haris S. Vasiliadis ◽  
Carl Lindahl ◽  
...  
Keyword(s):  
Osteochondritis Dissecans ◽  
Open Surgery ◽  
Autologous Chondrocyte Implantation ◽  
Case Series ◽  
Activity Level ◽  
Osteochondral Allograft ◽  
Level Of Evidence ◽  
Chondrocyte Implantation ◽  
Autologous Chondrocyte

Background: An unsalvageable osteochondritis dissecans (OCD) fragment has been defined as one that cannot be saved. Unsalvageable OCD lesions have been treated with various techniques, including fragment excision, microfracture, osteochondral autograft transfer, fresh osteochondral allograft transplantation, and autologous chondrocyte implantation (ACI). Hypothesis: Patients who underwent ACI as treatment for unsalvageable OCD more than 10 years ago would maintain satisfactory patient-oriented outcome measures and have a low need for additional open surgery, especially arthroplasty. Study Design: Case series; Level of evidence, 4. Methods: All Swedish and Norwegian patients (59 patients with 67 OCD lesions) who underwent ACI for OCD under the direction of the senior author between 1990 and 2005 were identified through manual chart review. Features of the patient, OCD lesion, and surgery were extracted from the medical record and intraoperative photographs. Patients were sent questionnaires to assess the Knee injury and Osteoarthritis Outcome Score, Tegner-Wallgren activity score, and Lysholm score. In addition, patients were asked whether they had to undergo further surgery, including knee replacement, of the knee that underwent ACI. They were asked whether they would have the surgery again if in the same situation. Results: A total of 55 patients (93%) with 61 OCD lesions (91%) responded. The median follow-up duration was 19 years (range, 10-26 years) and the median age at follow-up was 43 years (range, 28-69 years). Subsequent arthroscopy was performed in the majority of cases, although many of these were scheduled “second looks” as part of a study. With respect to other subsequent surgery, 12 knees (20%) underwent any additional open surgery, but only 2 knees (3%) underwent arthroplasty. Eight knees (13%) underwent revision ACI. Most patients reached their preinjury activity level (62%) and would undergo ACI again if in the same situation (85%). If failure is defined as revision of the graft or conversion to arthroplasty, then survivorship after ACI for OCD in the current study would be 87% at 10 years, 85% at 15 years, and 82% at 20 years. Conclusion: ACI for OCD provides a durable treatment option. At a median follow-up of 19 years, there was a very low (~3%) conversion to total knee arthroplasty.

Osteochondral Allograft Transplantation for Osteochondral Lesions of the Talus: Midterm Follow-up

2018 ◽  
Vol 40 (2) ◽  
pp. 202-209 ◽  
Author(s):  
Florian Gaul ◽  
Luís E. P. Tírico ◽  
Julie C. McCauley ◽  
Pamela A. Pulido ◽  
William D. Bugbee
Keyword(s):  
Treatment Option ◽  
Case Series ◽  
Osteochondral Allograft ◽  
Osteochondral Lesions ◽  
Time To Failure ◽  
Level Of Evidence ◽  
Restoration Technique ◽  
Alternative Treatment Option ◽  
The Mean

Background: Fresh osteochondral allograft (OCA) transplantation represents a biologic restoration technique as an alternative treatment option for larger osteochondral lesions of the talus (OLT). The purpose of this study was to evaluate midterm outcomes after OCA transplantation for the treatment of OLT. Methods: Nineteen patients (20 ankles) received partial unipolar OCA transplant for symptomatic OLT between January 1998 and October 2014. The mean age was 34.7 years, and 53% were male. The average graft size was 3.8 cm2. All patients had a minimum follow-up of 2 years. Outcomes included the American Academy of Orthopaedic Surgeons Foot and Ankle Module (AAOS-FAM), the Olerud-Molander Ankle Score (OMAS), and pain and satisfaction questionnaires. Failure of OCA was defined as conversion to arthrodesis or revision OCA transplantation. Results: Five of 20 ankles (25%) required further surgery, of which 3 (5%) were considered OCA failures (2 arthrodesis and 1 OCA revision). The mean time to failure was 3.5 (range, 0.9 to 6.7) years. Survivorship was 88.7% at 5 years and 81.3% at 10 years. The median follow-up of the 17 patients with grafts in situ was 9.7 years. The mean OMAS improved significantly from 40 points preoperatively to 71 points postoperatively ( P < .05; range, 5 to 55). The mean postoperative AAOS-FAM core score was 81.5 ± 15 (range, 40.5 to 96.6). Fifteen of 17 patients responded to follow-up questions regarding their ankle; 14 patients reported less pain and better function, and 13 patients were satisfied with the results of the procedure. Conclusion: Our study of midterm results after OCA transplantations showed that this procedure was a reasonable treatment option for large OLT. Level of Evidence: Level IV, case series.

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