Recurrent branch of anterior interosseous artery perforator-based propeller flap for distal forearm injuries: Report of 2 cases

Ryusho Hamada, Akira Shinaoka, Narushi Sugiyama, Toshiyuki Watanabe, Yuki Miura, Yoshihiro Kimata

Research output: Contribution to journalArticle

Abstract

Despite various options for the reconstruction of soft tissue defects in the distal forearm, perforator-based propeller flap is rarely used. Here, we presented 2 cases of distal forearm injuries that were repaired using the recurrent branch of anterior interosseous artery perforator-based propeller flap. Patients in these cases were 57 and 67 years of age. Wounds resulting from farming machine injury and pyogenic extensor tenosynovitis following cat bite wounds were localized to the distal forearm and dorsum of the hand. Defect dimensions were 5 cm × 10 cm and 5 cm × 8 cm. The 12 cm × 7 cm and 21 cm × 4 cm sized recurrent branch of anterior interosseous artery perforator-based propeller flap was designed adjacent to the wounds. In the latter case, the absence of the posterior interosseous artery in the distal forearm was observed. One perforator from the recurrent branch of the anterior interosseous artery emerged through the septum between the extensor digiti minimi and extensor carpi ulnaris 7.5 cm and 6.0 cm proximal to the ulnar head in cases 1 and 2, respectively. Perforators were identified using multidetector computed tomographic angiography and handheld Doppler. Extending to two-thirds or almost the full length of the forearm, the flaps were raised and rotated by 90° and 120° to cover the defect. The donor sites were closed using free skin graft. Both flaps survived. Except for minor wound dehiscence and hemarthrosis, no other postoperative complications occurred. Patients returned to work or daily activities at 3- and 4-month follow-up after surgery.

Original languageEnglish
Pages (from-to)917-923
Number of pages7
JournalMicrosurgery
Volume38
Issue number8
DOIs
Publication statusPublished - Nov 2018

ASJC Scopus subject areas

  • Surgery

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