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Journal of the Korean Society for Surgery of the Hand 2007;16(2):86-92.
Published online November 30, 2007.
Salvage of Failed Digital Replantation Using Necrotizing Phalangeal Bone and Flap Coverage
Boo Kyung Kwon, M.D., Duke Whan Chung, M.D., Jae Hoon Lee, M.D.
Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea. dukech@khmc.or.kr
수지 재접합 실패시 허혈 상태의 수지골과 피판술을 이용한 구제술
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  Failure of reattachment of finger is inevitable in replantation surgery and that failure rate is about 10 % are reported in many authors. Management of the failed finger replantation is challenge to microsurgeons. We report 7 cases of thumb reconstruction after failure of replantation. The reconstructive surgery composed with early debridement of soft tissue that are under gangrenous processing, extract the phalangeal bone without any soft tissues. Osteosynthesis of the extracted phalangeal bone with host phalangeal bone. The exposed bony portion covered with vascularized flaps such as reverse radial forearm pedicled flap, free radial forearm flap and neurovascular island finger flap. This procedure underwent within a week after vascular insufficiency developed. All of the flaps are survived, bone union achieved within 3 months . The function and external appearance of the reconstructed thumb were encouraging; pinch power was average 1.2 pounds. Early removal of necrotizing soft tissue followed by covering none vascular phalangeal bone which extracted from the dead phalanx with vascularized flap is one of the useful alterative solutions in failed replantation surgery in hand.
Key Words: Finger, Thumb, Failed replantation, Salvage reconstruction, Early soft tissue removal with vasculariazed flap coverage
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