Sensory Evaluation of Post Traumatic Thumb after Reconstruction with Reverse Radial Forearm Flap

AUTHORS

Tayeb Ghadimi 1 , Kamal Seyed-Foroutan, Kamal Seyed-Foroutan, 2 , Hossein Akbari 3 , Mohammad Javad Fatemi 3 , * , Shahrzad Taghavi 4

AUTHORS INFORMATION

1 Department of Plastic and Reconstructive Surgery, Kordestan University of Medical Sciences, Kordestan, Iran

2 Department of Plastic and Reconstructive Surgery, Tehran University of Medical Sciences, Tehran, Iran

3 Department of Plastic and Reconstructive Surgery, Burn Research Center, Tehran University of Medical Sciences, Tehran, Iran

4 General Physician, Burn Research Center, Tehran University of Medical Sciences, Tehran, Iran

How to Cite: Ghadimi T, Kamal Seyed-Foroutan, K S, Akbari H, Fatemi M J, Taghavi S. Sensory Evaluation of Post Traumatic Thumb after Reconstruction with Reverse Radial Forearm Flap, Zahedan J Res Med Sci. 2013 ; 15(9):e92861.

ARTICLE INFORMATION

Zahedan Journal of Research in Medical Sciences: 15 (9); e92861
Published Online: May 19, 2013
Article Type: Research Article
Received: January 11, 2012
Revised: March 01, 2012
Accepted: April 19, 2012

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Abstract

Background : Thumb is with a special role in hand function. Therefore, in addition to the significance of using thin, pliable, color-matched, and hairless cover in resurfacing the lesion in this area, recovery of sensation should also be taken into consideration.
Materials and Methods : Thirteen patients with thumb degloving injuries were candidates for sensate reverse island radial forearm surgery. After transferring the flap, forearm lateral sensory nerve was sewn to the thumb digital nerve. At least for two years, these patients received regular diagnosis, and monofilament, static two point discrimination (S-2PD), and moving two point discrimination (M-2PD) tests were taken from them.
Results : Monofilament test did not show normal sensation recovery, at protective sensation threshold, in the parents. The difference between monofilament test and normal thumb was statistically significant (p<0.0001). In spite of this, the protective sensation was restored in all flaps after two years. According to the results from S-2PD and M-2PD tests, the restored sensation was at protective threshold or reduced, and the difference was statistically significant (p<0.0001).
Conclusion : Given difficulties of performing free flaps, and also deficiencies of pedicle flaps, the forearm radial island flap is known as one of the primary choices in most of the thumb soft tissue and hand defects reconstruction, due to its advantages, especially restoring the sensation of the injured site.

Keywords

Island flap Hand injury Thumb Reconstruction

© 2013, Zahedan Journal of Research in Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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