Quadriceps and patellar tendon ruptures |
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Authors: | Lobenhoffer P Thermann H |
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Institution: | Klinik für Unfall- und Wiederherstellungschirurgie, Henriettenstiftung Hannover. HPLobenhof@AOL.com |
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Abstract: | Ruptures of the quadriceps as well as the patellar tendon occur in low frequency, but cause major functional deficits of the leg. These injuries usually require operative treatment. Acute quadriceps tendon ruptures are treated by suture repair, using heavy sutures guided through bone tunnels in the patella. Chronic defects and neglected cases require a local tendon transfer, either by a quadriceps tendon turn-down or by a V-Y-plasty of the quadriceps tendon. Ruptures of the patellar tendon are treated by suture of the tendon stumps plus an reinforcement procedure protecting the tendon and avoiding secondary patella alta. Patello-tibial fixation may be achieved by a cerclage technique using wire or an autologous tendon strip, alternatively a patello-tibial external fixator can be applied. In chronic and neglected cases, patellar tendon reconstruction is performed with autologous tendon grafts or with soft tissue allografts. The graft must be protected by a patello-tibial fixation for the first weeks. |
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