Affiliation:
1. Trakia University, Bulgaria
Abstract
ABSTRACT The aim of this study was to present a novel surgical method for correction of medial patellar luxation in small-breed dogs with trochlear dysplasia and marked hypoplasia of the medial femoral condyle. The “Watermelon” approach was applied together with trochlear wedge recession or trochlear block recession and consisted in increasing the height of the medial condyle with an osteochondral autograft resembling a watermelon slice, placed into an additional slot in the medial femoral condyle to prevent the postoperative reluxation of the patella. The study cohort included 19 dogs (25 joints) from small breeds (Pinscher, Pomeranian, and Chihuahua) with second-grade medial patellar luxation. Fourteen joints were submitted to wedge recession surgery combined with “Watermelon” grafting, and 11 joints: to block recession surgery with “Watermelon” grafting. The sulcus-deepening trochleoplasty combined with “Watermelon” grafting was clinically successful and with low percentage of minor postoperative complications. The mean duration of anesthesia was significantly longer for block recession combined with “Watermelon” (P<0.001), but the recovery period was shorter (P<0.05).
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