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Inside-out lateral repair
4%
88/2200
All-inside lateral repair
1%
19/2200
Inside-out medial repair
90%
1972/2200
All-inside medial repair
95/2200
Equal rates for both lateral and medial
17/2200
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Saphenous nerve injury is one of the most common complications following medial meniscus repair. Peroneal nerve injuries are more common with the lateral-sided repairs. The inside-out technique involves retrieving the sutures on the posteromedial aspect of the knee where they are tied over the capsule. The saphenous nerve can be injured either by penetration of the needle or become entrapped when tying sutures over soft tissue. An accessory incision with careful dissection down to the capsule is recommended. Turman and Diduch noted that as of 2008, the current gold standard remains inside-out vertical mattress suture repairs. The saphenous nerve and vein are at risk with medial repairs and dissection should remain posterior to the medial collateral ligament (MCL). Espejo-Baena et al in a cadaveric study of inside-out medial meniscus repairs, found a high incidence of entrapment of the saphenous nerve and vein when tying the sutures. They noted that such complications can be avoided by making a small auxiliary incision.
4.2
(15)
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