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Antecubital Fossa Perforator Flaps for Soft-Tissue Defect Repair of the Anterior Elbow: Anatomical Study and Clinical
Ya-Shan Gao1, Cai-Yue Liu2,3, Hai-Nan Zhu1
1Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China.
Background:
The antecubital fossa is a main perforator cluster region located beside the anterior elbow defect, rendering it crucial to harvest the perforator pedicled flaps for the anterior elbow defects.
Patients And Methods:
A total of 30 preserved cadaveric forearms were dissected in order to describe the perforator anatomy in the antecubital fossa. For each perforator, the number, the site of origin, the diameter at its origin, and the trajectory were recorded. In addition, all the patients treated for anterior elbow defects using inferior cubital artery (ICA) perforator pedicled flaps between June 2013 and June 2018 were reviewed in this retrospective study.
Results:
A total of 85 perforators were dissected in the antecubital fossa area from the 30 specimens. Among these, 65 perforators originated from the radial artery, 6 from the recurrent radial artery, 13 from the brachial artery, and 1 from the ulnar artery. Each forearm specimen had a constant and large ICA perforator. All perforators originated from source vessels 2-5 cm distal from the interepicondylar line and could be harvested as perforator pedicled flap for anterior elbow reconstruction. In the clinical study, 11 patients with anterior elbow defects were treated with ICA perforator pedicled flaps with satisfactory functional and aesthetic outcomes.
Conclusion:
The antecubital fossa has a constant and dominant ICA perforator and many other perforators. The pedicled antecubital fossa perforator flaps could be harvested flexibly with a reliable blood supply for anterior elbow reconstruction.
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