Acute patellar tendon rupture: long-term follow-up of a synthetic graft repair technique
Abstract
In this case report, the surgical treatment, postoperative management and a longterm follow-up over four years are described in a dog with acute patellar tendon rupture. The tendon was consecutively repaired surgically with Krackow suturing and an artificial ligament of polypropylene. Immediately post-operative, radiographs showed an almost normal position of the patella. Six months later, patella alta reoccurred, but the knee was still functional. After two years, control radiographs and an ultrasonography of the tendon were performed. Secondary new bone formation had developed under the patella, but the patellar tendon seemed intact and well-developed on ultrasonography. Four years postoperative, radiographs and gait analysis were redone and were quite stable compared to the results which were obtained two years before. Despite the complication of patella alta and the development of secondary osteoartrosis, the dog showed only a mild form of limping and thus the result could be considered acceptable
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