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The anconeus muscle flap: Its anatomy and clinical application

1999; Elsevier BV; Volume: 24; Issue: 2 Linguagem: Inglês

10.1053/jhsu.1999.0359

1531-6564

Christopher C. Schmidt, George Kohut, Jeffrey A. Greenberg, Setsuo Kann, Richard S. Idler, Thomas R. Kiefhaber,

Elbow and Forearm Trauma Treatment

Abstract The arterial anatomy, coverage area, and potential donor site morbidity of the anconeus muscle flap are described. Using 17 cadaveric upper extremities, we investigated the muscle's arterial anatomy in 12 specimens and defined the coverage area of the anconeus flap in 5 specimens. We also reviewed the records of 9 patients who underwent a pedicle anconeus muscle flap for elbow coverage to assess clinical results of the procedure. The anconeus muscle is supplied from 3 arterial pedicles: the recurrent posterior interosseus artery, the medial collateral artery, and the posterior branch of the radial collateral artery. The recurrent posterior interosseus artery and the medial collateral artery were present in all dissected cadavers and consistently anastomosed with each other underneath the anconeus muscle. By harvesting the muscle on the medial collateral artery, the anconeus muscle flap can be expected to cover a 7.3 cm 2 defect over the radiocapitellar joint, a 6.1 cm 2 defect over the distal triceps tendon, and a 7.2 cm 2 defect over the olecranon. In this series, none of the patients experienced loss of elbow motion, stability, or extension strength. The results of this study indicate that the anconeus can be harvested with minimal risk of morbidity and provides effective coverage for soft tissue defects of the elbow. (J Hand Surg 1999; 24A:359–369. Copyright © 1999 by the American Society for Surgery of the Hand.)