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J Arthroplasty. 2011 Aug;26(5):817-20. doi: 10.1016/j.arth.2011.01.006. Epub 2011 Mar 11.

Suture anchor repair of quadriceps tendon rupture after total knee arthroplasty.

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Department of Orthopaedic Surgery, Hospital of University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.


Disruption of the extensor mechanism after total knee arthroplasty (TKA) is a devastating complication, usually requiring surgical repair. Although suture anchor fixation is well described for repair of the ruptured native knee quadriceps tendon, no study has discussed the use of suture anchors in quadriceps repair after TKA. We present an illustrative case of successful suture anchor fixation of the quadriceps mechanism after TKA. The procedure has been performed in a total of 3 patients. A surgical technique and brief review of the literature follows. Suture anchor fixation of the quadriceps tendon is a viable option in the setting of rupture after TKA.

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