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Primary Autologous Osteochondral Transfer Shows Superior Long-Term Outcome and Survival Rate Compared With Bone Marrow Stimulation for Large Cystic Osteochondral Lesion of Talus

Authors
 Dong Woo Shim  ;  Kwang Hwan Park  ;  Jin Woo Lee  ;  Yun-Jung Yang  ;  Jucheol Shin  ;  Seung Hwan Han 
Citation
 ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY, Vol.37(3) : 989-997, 2021-03 
Journal Title
 ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY 
ISSN
 0749-8063 
Issue Date
2021-03
Abstract
Purpose: To compare the results of bone marrow stimulation (BMS) versus autologous osteochondral transfer (AOT) as primary surgical option for large cystic osteochondral lesion of talus (OLT) and to further distinguish factors associated with clinical failures and overall survival. Methods: We retrospectively analyzed patients with symptomatic large cystic OLT (>300 mm3) who underwent either primary BMS or AOT between January 2001 and January 2016 with a minimum follow-up of 36 months. Lesion surface area and volume were measured on magnetic resonance imaging. Clinical outcomes were assessed using pain visual analog scale (VAS), American Orthopaedic Foot and Ankle Society (AOFAS) score, and Foot and Ankle Outcome Score (FAOS). Survival outcomes and factors associated with clinical failures were evaluated using Kaplan-Meier analysis and Cox regression analyses, respectively. Results: Fifty of the total 853 patients had large cystic OLTs. Thirty-two patients underwent primary BMS, and 18 patients underwent primary AOT. Mean follow-up period was 118 months, and average lesion surface area and volume were 152.8 mm2 and 850.7 mm3, respectively. The primary AOT group showed significantly superior improvements in clinical outcomes compared with the BMS group at last follow-up (P = .001). Fourteen patients in the primary BMS group and 2 patients in the primary AOT group experienced clinical failure. Kaplan-Meier analysis showed a superior survival rate of primary AOT (P = .042). Syndesmosis widening (hazard ratio 12.361; P = .004) and large lesion surface area (hazard ratio 1.011; P = .014) were significant relative risks of clinical failure in the primary BMS group. However, lesion volume showed no significant relationship with clinical failure. Conclusion: Long-term results of primary AOT showed superior clinical improvements and survival rate in treating large cystic OLT. Risk factors for failure in the primary BMS group were large lesion surface area and syndesmosis widening. Study design: Retrospective comparative study LEVEL OF EVIDENCE: III.
Full Text
https://www.sciencedirect.com/science/article/pii/S0749806320309889
DOI
10.1016/j.arthro.2020.11.038
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Park, Kwang Hwan(박광환) ORCID logo https://orcid.org/0000-0002-2110-0559
Lee, Jin Woo(이진우) ORCID logo https://orcid.org/0000-0002-0293-9017
Han, Seung Hwan(한승환) ORCID logo https://orcid.org/0000-0002-7975-6067
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182357
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