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KMID : 1038220210480020224
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Archives of Plastic Surgery
2021 Volume.48 No. 2 p.224 ~ p.230
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Sensory assessment of meshed skin grafts over free gracilis muscle flaps without nerve coaptation for lower extremity reconstruction
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Tremp Mathias
Waldkircher Natascha J.
Wang Wenjin
Oranges Carlo M.
di Summa Pietro G.
Zhang Yixin
Wang Wei
Schaefer Dirk J.
Kalbermatten Daniel F.
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Abstract
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Background: Little is known about the sensate recovery of skin grafts over free non-neurotized muscle flaps. The aim of this study was to evaluate the sensitivity of free gracilis muscle flaps and meshed skin grafts without nerve coaptation.
Methods: Thirteen consecutive patients with a median age of 55 years (range, 21?70 years) who underwent lower extremity reconstruction between September 2014 and October 2016 were included. Complications, flap contour, skin perception, and sensate recovery were assessed.
Results: All flaps survived completely. In one patient, wound dehiscence and infection occurred 1 month after surgery. After a median follow-up of 14 months (range, 10?51 months), a satisfactory contour and skin perception were achieved. The Semmes-Weinstein (SW) monofilament test (154.8±22 g) and static two-point discrimination (2-PD) (12.6±0.7 mm) showed intermediate recovery compared to the surrounding site (41% and 76%, respectively). There was an intermediate correlation between flap size and sensate recovery (2-PD: r=0.27, P=0.36; SW test: r=0.45, P=0.12). Vibration sensation recovered to 60%, whereas thermal sensation remained poor (19% at 5°C and 25% at 25°C).
Conclusions: Finer sensation could be partially restored. However, thermal sensation remained poor.
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KEYWORD
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Muscle flap, Nerve regeneration, Patient outcome assessment, Reconstruction, Sensation
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