Chronic Posteromedial Instability: Reconstruction Techniques
2014
Postero medial corner (PMC) injuries of the knee are relatively common. Posterior oblique ligament (POL) and medial collateral ligament (MCL) are the main structures of PMC. Recently it has been recognized the biomechanical role of these structures providing medial knee stability. These lesions can be isolated or associated in a multiligamentous injury. The potential healing of isolated grade I-II MCL injuries is known. Patients with combinated injuries should be surgically treated. However, in some cases the treatment of PMC injuries in controversial. It is important for the clinician recognize symptoms of a residual rotatory instability. In this chapter the most common reconstruction operative techniques of the chronic posteromedial corner instability are treated. Autograft and allograft can be used. We suggest a postoperative management. Outcomes at 2-year follow up are good for each techniques. However, the studies available in the literature are mostly case series with heterogeneous study groups.
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