Archives of Plastic Surgery

Korean Society of Plastic and Reconstructive Surgeons (대한성형외과학회)
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Reconstruction of Hand Dorsum Defect Using Double Perforators-Based Anterior Interosseous Artery Island Flap: A Case Report and Description of a New Anterior Interosseous Artery Perforator

  • Inho Kang (Department of Plastic and Reconstructive Surgery, College of Medicine, Dongguk University) ;
  • Hyun Rok Lee (Department of Plastic and Reconstructive Surgery, Saeson Hospital) ;
  • Gyu Yong Jung (Department of Plastic and Reconstructive Surgery, College of Medicine, Dongguk University) ;
  • Joon Ho Lee (Department of Plastic and Reconstructive Surgery, College of Medicine, Dongguk University)
  • Received : 2022.10.02
  • Accepted : 2023.03.28
  • Published : 2023.07.15
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Abstract

The anterior interosseous artery (AIA) perforator flap is not commonly used in hand dorsum reconstruction compared with alternatives. However, it is a versatile flap with several advantages. Literature on the AIA perforator flap is based on the dorsal septocutaneous branch (DSB), which branches from the AIA and passes through fascia between the extensor pollicis longus (EPL) and extensor pollicis brevis muscles. In the described case, the authors reconstructed a hand dorsum defect in a 78-year-old man using an AIA perforator flap with double perforators supplied by the DSB and a new perforator branching from the distal than DSB. No complication was encountered, and the flap survived completely. A retrospective computed tomography review revealed the presence of the new perforator in 14 of 21 patients. Two types of new perforator were observed. One passed through the ulnar side of the extensor indicis proprius (EIP) muscle and penetrated fascia between the extensor digitorum minimi and extensor digitorum communis tendons, whereas the other passed between the EPL and EIP muscles. This report describes the anatomical location and clinical application of the new AIA perforators. The double perforators-based AIA flap provides a straightforward, reliable means of reconstructing hand dorsum defects.

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References

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