臨床整形外科56巻6号

2021年06月発行

特集 ACL再断裂に対する治療戦略

ACL再断裂の現状

著者： 田代泰隆¹

所属機関： ¹九州労災病院スポーツ整形外科

ページ範囲：P.759 - P.764

　Anterior cruciate ligament(ACL)再建術後の再断裂は，術後の最も大きな合併症の1つであり，数〜20％近い頻度で発生し得る．再断裂は術後1年程度までの特に競技復帰後早期に発生しやすく，疫学的には活動性が高いことや若年齢，特に骨端線閉鎖前の小児が危険因子とされる．単純な外傷によっても生じ得るが，生物学的には血行不良などによる移植腱治癒の遷延やバイオメカニカルには過度な負荷やストレス・摩擦などが素因となって，移植腱の治癒不良の影響下でも生じ得る．再断裂の背景や要因を理解し，手術やリハビリテーション，復帰時期など，可能な限り再断裂の予防に努めることが重要である．

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