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. 2013 Sep;8(3):267-73.
doi: 10.1007/s11552-013-9520-y.

Replantation and revascularization vs. amputation in injured digits

Marjolein A M Mulders  1 , Valentin Neuhaus  1 , Stéphanie J E Becker  1 , Sang-Gil Lee  1 , David C Ring  1
Affiliations

Replantation and revascularization vs. amputation in injured digits

Marjolein A M Mulders et al. Hand (N Y). 2013 Sep.

Abstract

Background: The purpose of this study was to analyze factors associated with the decision to replant or revascularize rather than amputate an injured digit as well as factors associated with successful replantation or revascularization.

Methods: We reviewed 315 complete and subtotal amputations at or proximal to the distal interphalangeal joint in 199 adult patients treated over 10 years. Ninety-three digits were replanted (30 %), 51 were revascularized (16 %), and 171 were amputated (54 %), including 5 attempted replantations. Bivariate and multivariable analyses sought factors associated with replantation vs. amputation, revascularization vs. amputation, and success of replantation or revascularization.

Results: Factors associated with replantation rather than amputation were injury to the left hand, thumb, middle digit, and ring digit, more than one digit affected, and surgeon. Factors associated with revascularization are surgeon and shorter ischemia time. Forty-five replantations (48 %) and 41 revascularizations (80 %) were successful. Successful replantation was associated with the side of injury (left side more likely to survive), zone of injury (distal interphalangeal and interphalangeal joint more likely to survive and proximal phalanx less likely to survive), and shorter ischemia time. Success of revascularization was associated with the mechanism of injury (saw and not crush injury), multiple digits involved, and the surgeon.

Conclusions: The decision to replant, revascularize, or amputate a nonviable digit and the success of replantation and revascularization are related to both injury factors, such as mechanism of injury, affected digit, and zone of injury, and the surgeon.

Keywords: Amputation; Replantation; Revascularization; Success; Traumatic.

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