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最終更新日：2026/03/03

後藤 和海

ゴトウ カズミ (Kazumi Goto)
論文
タイトル
タイトル（英）
Comparison of patellar tendon and hamstring grafts in ACL reconstruction: patellar tendon shows lower re-rupture rates in high-risk groups and comparable patient-reported outcomes in lower-risk patients
参照URL
https://researchmap.jp/a050017/published_papers/52177760
著者
著者（英）
Kazumi Goto,Eisaburo Honda,Hiroshi Iwaso,Shin Sameshima,Miyu Inagawa,Yutaro Ishida,Koji Matsuo,Ryota Kuzuhara,Takaki Sanada
担当区分
筆頭著者,責任著者
概要
概要（英）
Abstract Purpose To compare re-rupture rates and clinical outcomes between bone–patellar tendon–bone (BTB) and hamstring tendon (HT) grafts in anterior cruciate ligament (ACL) reconstruction according to patient risk levels. Methods This retrospective cohort study included patients who underwent primary ACL reconstruction at a single institution between 2018 and 2022, with outcomes assessed at a fixed 2-year postoperative follow-up. The primary endpoint was graft re-rupture, defined as a traumatic graft failure confirmed clinically and by magnetic resonance imaging, and the secondary endpoint was the Knee injury and Osteoarthritis Outcome Score (KOOS). High-risk status was defined as the presence of all three risk factors: age ≤ 20 years, posterior tibial slope. (PTS) ≥ 12°, and participation in pivoting sports. For patients with two or fewer risk factors, propensity score matching was performed using age, sex, body weight, generalized joint laxity, knee hyperextension, participation in pivoting sports, and PTS as covariates to compare outcomes between BTB and HT grafts. Results In the high-risk group, the BTB graft showed a significantly lower re-rupture rate compared to the HT graft (12.9% vs. 35.7%, p  = 0.03), with no significant difference in KOOS overall score (96.3 ± 3.7 vs. 96.6 ± 6.3, p  = 0.85). In the lower-risk group after matching, the BTB graft showed a similar re-rupture rate compared to the HT graft (6.9% vs. 5.2%, p  = 0.99), with no significant difference in KOOS overall score (92.6 ± 6.9 vs. 94.8 ± 5.7, p  = 0.10). Conclusion BTB grafts reduced re-rupture rates compared to HT grafts in high-risk ACL reconstruction patients, while clinical outcomes were similar. In lower-risk patients, no significant differences were observed between graft types in either re-rupture rates or KOOS overall score. Level of evidence Level III.
出版者・発行元
出版者・発行元（英）
誌名
誌名（英）
Archives of Orthopaedic and Trauma Surgery
巻
号
開始ページ
終了ページ
出版年月
2026年2月2日
査読の有無
査読有り
招待の有無
掲載種別
研究論文（学術雑誌）
ISSN
1434-3916
DOI URL
https://doi.org/10.1007/s00402-026-06196-5
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