Abstract
We retrospectively evaluated postoperative straight lateral and anterolateral rotatory knee stability in patients having a lateral meniscectomy through vertical and horizontal capsular incisions. The knees of 20 patients with transverse (Bruser) and 20 patients with vertical (parapatellar) incisions were clinically and mechanically evaluated. Varus-vagus and anterior drawer measurements were obtained from our knee stress machine and clinical examinations. We found that (1) horizontal and vertical lateral capsular incisions do not produce straight lateral or anterolateral rotatory instability in patients with intact anterior cruciate ligaments, (2) a transverse lateral capsular incision may contribute to anterolateral rotatory instability, and (3) a vertical lateral capsular incision provides better visualization of the knee joint than a transverse incision.
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