Surgical Treatment of Chronic Patellar Tendinosis

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Abstract
There is no consensus in the literature on the best surgical procedure for patellar tendinosis when nonoperative treatment fails. With a systematic review, we asked whether surgical treatment of the inferior pole of the patella, closing of the paratenon, or immobilization affected the percentage of patients reporting good to excellent results (percent success). We completed a systematic review of surgical treatment for patellar tendinosis. A literature search of Medline, CINAHL, and Sport Discus revealed 30 articles on treatment of patellar tendinosis. Ten met our initial inclusion criteria. Most studies were retrospective and used varying techniques. Outcome measures were individual to the specific article, making it difficult to compare the results of the studies. Studies that described surgical treatment of the inferior pole of the patella had 70.9% success compared to 91.7% for those that performed no patella bony work. Closure of the paratenon was reported in seven studies with 84.8% success compared to 91.5% for the other studies. Immobilization was used in four studies with 82.4% success compared to 94.9% success for four studies that did not immobilize postoperatively. Care must be taken when comparing these weighted averages since only two of the nine studies described exactly the same technique. Ideally, prospective controlled studies with validated assessment tools and activity scores are required to determine the best treatment for our patients.

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