前交叉韧带重建术后聚左旋乳酸（PLLA）断裂干扰螺钉导致严重软骨损伤
Severe cartilage damage by broken poly-L-lactic acid (PLLA) interference screw after ACL reconstruction.
作者信息
Lembeck Burkhard, Wülker Nikolaus
机构信息
Department of Orthopedic Surgery, University of Tuebingen, Hoppe Seyler Strasse 3, 72076, Tuebingen, Germany.
出版信息
Knee Surg Sports Traumatol Arthrosc. 2005 May;13(4):283-6. doi: 10.1007/s00167-004-0545-1. Epub 2004 Nov 11.
Poly-L-lactic acid (PLLA) bioabsorbable interference screws are widely used for fixation of tendon to bone and bone to bone in anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) reconstructions. Complications are rare. To our knowledge this is the first report of severe chondral damage caused by late breakage of the screw. Breakage of bioscrews has only been published in cases with tendon to bone fixation.
聚-L-乳酸（PLLA）生物可吸收挤压螺钉广泛应用于前交叉韧带（ACL）和后交叉韧带（PCL）重建中肌腱与骨以及骨与骨之间的固定。并发症较为罕见。据我们所知，这是首例关于螺钉迟发性断裂导致严重软骨损伤的报告。生物螺钉断裂仅在肌腱与骨固定的病例中有报道。
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