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Title: Free multilobed posterior interosseous artery perforator flap for multi-finger skin defect reconstruction. Author: Li KW, Liu J, Liu MJ, Xie SL, Liu CX. Journal: J Plast Reconstr Aesthet Surg; 2015 Jan; 68(1):9-16. PubMed ID: 25266711. Abstract: BACKGROUND: The posterior interosseous artery (PIA) perforator flap can be used for reconstruction of soft-tissue defects of fingers. Based on the multiple perforators from the posterior interosseous artery, we describe a technique to reconstruct the multi-finger defect in the use of the free multilobed PIA perforator flap. METHODS: PIA perforators from different areas of the forearm were used to design a free multilobed skin paddle for multi-finger skin defect reconstruction. Each paddle without the deep fascia had separate perforators. To increase the perforator pedicle length, the courses of the PIA perforators were dissected from the superficial layer of the deep fascia to the subcutaneous layer. RESULTS: The flap was raised as a unilateral free bilobed PIA perforator flap in 10 cases of two-finger defects, a free trilobed PIA perforator flap in two cases of three-finger defects, and a bilateral free bilobed PIA perforator flap in one case of four-finger defects. The average effective vascular pedicle length and trunk pedicle length were 8.3 and 3.1 cm, respectively, for the bilobed flap, and 6.3 and 4.0 cm, respectively, for the trilobed flap. All flaps survived except one paddle with tip necrosis. At 10.8 months (range, 4-27 months) after surgery, 10 cases showed satisfactory cosmetic appearance, while the fingers were bulky in the remaining three cases. The average score of static two-point discrimination in 10 innervated paddles was 12.9 mm. The remaining 20 paddles recovered only protective sensation. The average total active motion (TAM) of each finger was 164° before surgery and 187° at the latest follow-up. CONCLUSIONS: Free multilobed PIA perforator flap is a good candidate for reconstruction of multi-finger skin defect. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, Ⅳ.[Abstract] [Full Text] [Related] [New Search]