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Updated: Aug 18, 2026

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies
Published on: January 11, 2019
Outcome of carpal tunnel release in diabetic patients
M M al-Qattan1, R T Manktelow, C V Bowen
1Toronto Hospital Hand Program, University of Toronto, Canada.
Abstract:
A retrospective study of 15 diabetic patients (20 hands), who underwent carpal tunnel release, was performed to determine the outcome. All patients had a minimum of 18 months of follow-up. Outcome was considered excellent if there was complete resolution of symptoms and this occurred in 35% of the treated hands. Eight hands (40%) had a good outcome with significant improvement of pre-operative symptoms. Outcome was considered poor when symptoms were minimally improved, unchanged, or worse after surgery and this occurred in 25% of treated hands. All hands with a poor final result had either no electrodiagnostic evidence of localized compression or only mild compression in pre-operative nerve conduction studies. It was postulated that the contribution of localized compression to pre-operative hand symptoms was less than the contribution of peripheral neuropathy in these hands.
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