Orthopädie und Muskulatur: Aktuelle Forschung
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Femoral Quadriceps Tendon Closure Failure After Total Knee Arthroplasty

Takatomo Mine*, Koichiro Ihara, Hiroyuki Kawamura, Ryutaro Kuriyama and Ryo Date

Extensor mechanism disruption after total knee arthroplasty is rare. Extensor mechanism disruption can occur either intraoperatively or postoperatively. We present our first case a femoral quadriceps tendon closure failure in a medial parapatellar approach. Two causes might explain the failure of the femoral quadriceps tendon closure. One is insufficient sutures in the closure of the medial parapatellar approach. The other might be the effect of a local periarticular injection. A torn tendon was refreshed and performed tightly with heavy nonabsorbable sutures. A successful repair was obtained.