No Superior Bone Union Outcomes with Allografts Compared to No Grafts and Autografts Following Medial Opening Wedge High Tibial Osteotomy: A Retrospective Cohort Study

Autor: Yunhe Mao, Lei Yao, Junqiao Li, Jian Li, Yan Xiong
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Orthopaedic Surgery, Vol 16, Iss 2, Pp 363-373 (2024)
Druh dokumentu: article
ISSN: 1757-7861
1757-7853
90547616
DOI: 10.1111/os.13961
Popis: Objective There has been long‐standing debate about whether a medial opening wedge high tibial osteotomy (MOWHTO) gap should be filled with autologous bone graft or any other filler to expedite the healing process. The main purpose of this study was to compare the clinical and radiological outcomes of MOWHTO with an opening gap ≥10 mm, utilizing autograft, allograft, or no graft at 1 year postoperatively. Methods A total of 68 patients were included in this retrospective study and divided into three treatment groups: Group A (no bone graft), Group B (autologous iliac crest graft), and Group C (allogenous tibia plateau graft). At postoperative 1‐year follow‐up, the area of callus filling in the most medial side of the knee was measured using anteroposterior radiographs, and a modified van Hemert scoring system was used to evaluate bone union outcomes in five mediolaterally divided zones. Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores and relevant complications were assessed. The correlations between the gap width and bone union scores were evaluated. Results Patients in the autograft group demonstrated better bone union progression (p = 0.031) and higher bone union scores (p
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