Anterior interosseus nerve injury following elbow arthroscopy.
Elbow arthroscopy is becoming an increasingly invaluable tool for both evaluation of and treatment of a variety of interarticular disease processes. Case reports have documented radial and posterior interosseus injuries following anterior capsular release. To date, this is the first report of an anterior interosseus nerve injury following arthroscopic surgery of the elbow. Arthroscopic surgery offers unparalleled visualization of the multiple articulations and facets of the elbow. It has been reported as useful for removal of loose bodies, synovectomy, release of arthrofibrosis, and the treatment of osteochondritis dessicans. However, the technique does require thorough knowledge of neurovascular structures about the elbow as well as appreciation of the protective layers including the capsule, brachialis, and brachioradialis muscles. This report documents direct injury to the anterior interosseus branch of the median nerve during an elbow debridement and synovectomy in a 65-year-old patient with rheumatoid arthritis.
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