• Liang Tang, Georgios Pafitanis, Peng Yang, Zan Li, Ming Jia, Isao Koshima, Dajiang Song, and Zhenglin Chi.
• Department of Repair and Reconstructive Surgery, Department of Plastic Surgery, Hangzhou First People's Hospital and The Affiliated Hospital of Nanjing Medical School, Nanjing University, Hangzhou, Zhejiang 310000, China.
• Injury. 2017 Jul 1; 48 (7): 1527-1535.

IntroductionThe use of multiple small flaps linked in a "chain-linked" flap microanastomosed chimeric system is recommended in distal hand and digital defects reconstruction. The aim of this study is to demonstrates our experience utilizing microsurgical fabrication, multi-lobed and linking combined flaps for the reconstruction of hand degloving injuries with complex multidigit soft tissue defects.MethodsMicroanastomosed chimeric flap systems using ALT and DPA modified designed flaps were combined in five selections to cover extensive soft tissue defects involving the hands and multiple digits of 39 patients (M:F - 36:3) from October 2009 to February 2013. Five different microsurgical combined chimeric flap systems utilised in extensive hand and multidigit injuries; innervated ALT flaps, multilobed DPA flaps, innervated ALT flap with multilobed DPA flap, innervated ALT flap with sensate ALT flap and bilobed ALT flap with multilobed DPA flap. All DPA donor sites were reconstructed using free ALT flap and anterior tibial artery propeller flap.ResultsThirty-nine combined free flap extremities reconstructions on 39 patients (M:F - 36:3) with average age 28.5 (18-45) years sustained traumatic degloving injuries, 24 from road traffic accidents and 15 from industrial devices. Five different designs of combined multi-lobed flaps have be successfully used without any peri-operative complications. Average follow-up of 12 months, all flaps survived without complications. Operated extremities showed favorable functional recovery with restoration of the diminished protective sensation on the flap through reinnervation. All flaps survived uneventfully with coverage matching the texture and color of the recipients. Donor sites healed without complication.ConclusionThe microsurgical fabrication of chimeric ALT flaps and multilobed DPA flaps is a valuable alternative for the reconstruction of hand degloving injury with complex multidigit soft tissue defects.Level Of EvidenceLevel IV, therapeutic study.Copyright © 2017 Elsevier Ltd. All rights reserved.

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