• Yu-Jun Kwon, Byung-Moon Ahn, Jae-Sung Lee, Yong-Gum Park, Hyun-Jun Ryu, and Yong-Chan Ha.
• Department of Orthopedic Surgery, Sungmin General Hospital, Incheon, Republic of Korea.
• Injury. 2017 Feb 1; 48 (2): 481-485.

BackgroundAlthough thenar flap for single fingertip amputation is a common and popular surgical technique, double thenar flap technique for patients with two fingertip amputations has rarely been reported in the literature. The purpose of this case-control study was to introduce the double thenar technique and compare the clinical outcomes between single thenar flap and double thenar flap surgical treatments.MethodsFrom January 2005 to December 2014, 92 patients with single fingertip amputations were treated with thenar flap (Group I) and 28 patients with two fingertip amputations were treated with double thenar flap (Group II). These 120 patients were followed-up for a minimum of 12 months postoperatively. At the latest follow-up, the two groups were assessed for pain, cold intolerance in the reconstructed finger, functional outcomes by Chen's criteria, and subjective patient satisfaction.ResultsAt the final follow-up, all flaps in both groups had survived. No flap failure occurred. There was no significant difference in cold intolerance (p=0.783), donor site pain (p=0.728), fingertip pain (p=1.000), or paresthesia (p=0.514) between the two groups. A total of 100 (83.3%) patients were completely or fairly satisfied. There was no significant difference in satisfaction between the two groups (p=0.801). According to the Chen criteria, 102 (85%) patients had excellent or good results.ConclusionThis study demonstrated that the double thenar flap technique used for patients with two fingertip amputations produced complete survival with functional outcomes comparable to those of the single thenar flap technique at the last follow-up.Copyright © 2016 Elsevier Ltd. All rights reserved.

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