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Updated: Jun 10, 2026
Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies
Published on: January 11, 2019
Clinical tests for carpal tunnel syndrome in contemporary practice
Rouin Amirfeyz1, Damian Clark, Brian Parsons
1Department of Hand Surgery, Bristol Royal Infirmary, Bristol BS2 8HW, UK. ramirfeyz@yahoo.com
Introduction:
A study conducted to establish the most accurate combination of questionnaire and physical signs for the diagnosis of carpal tunnel syndrome.
Method:
Nerve conduction studies confirmed 70 patients with having carpal tunnel syndrome who were enrolled along with 70 age- and sex-matched controls. Patients were assessed using a symptom questionnaire, Phalen's test, Hoffmann-Tinel's sign, hand elevation test, carpal compression test, tourniquet test, pressure aesthesiometry and two-point discrimination.
Results:
Through multivariate analysis, the best combination of tests was tourniquet, carpal compression and Phalen's tests but the difference between these and hand elevation test alone was negligible.
Conclusion:
The hand elevation test may be used in isolation and is superior to questionnaires and other physical signs in the clinical diagnosis of carpal tunnel syndrome.
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