Abstract
Sixty digits undergoing terminalization were randomized to undergo either simple transection of the digital nerves (control) or direct suture of the nerves to each other (centro-central union, CCU). Thirty-one digits were available for review with a minimum follow-up of one year following the surgery. Assessment was by visual analogue scales (VAS) and clinical examination. Measurements included static two-point discrimination (S2PD) for sensation, dolorimetry for stump tenderness and grip-strength.
Resting pain, cold intolerance and perceived tenderness were comparable in the two groups. Perceived and observed touch sensitivity were better in the control group but the stumps in this group were more tender than those in the CCU group.
We conclude that CCU results in more comfortable stumps but causes greater loss of sensitivity. It is a simple and worthwhile adjunct to digital amputation.
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