Capitellar osteochondritis dissecans (OCD) is one of the most common causes of elbow pain and dysfunction in adolescent athletes. It typically occurs in gymnasts and overhead throwers and presents along a wide spectrum of severity. Stable lesions can typically be treated with conservative therapy; however, those presenting with instability, fragmentation, or loose bodies generally require surgical intervention. Although there are a number of described surgical options used to treat capitellar OCD lesions, microfracture is one of the most commonly performed and well studied. Patients who are candidates for microfracture generally have favorable outcomes with high rates of return to athletic activity after postoperative rehabilitation. In this work, we present our preferred arthroscopic technique for microfracture of OCD lesions of the capitellum. This technique is most suitable for patients with unstable or fragmented OCD lesions that are less than 1 cm in diameter and do not violate the lateral-most articular margin of the capitellum.
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