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- Title
Evaluation of carpal tunnel syndrome in patients with polyneuropathy.
- Authors
Vogt, Thomas; Mika, Annette; Thömke, Frank; Hopf, Hanns Christian; Vogt, T; Mika, A; Thömke, F; Hopf, H C
- Abstract
The difference between the median nerve latency to the second lumbrical muscle and the ulnar nerve latency to the second interosseous muscle (L-I DIFF) was tested in a prospective study to discriminate whether prolonged distal motor latency of the median nerve in patients with polyneuropathy (PNP) reflects an additional carpal tunnel syndrome (CTS). We investigated 92 patients (107 hands) with CTS, 30 patients (34 hands) with PNP, 22 patients (27 hands) with CTS and coexisting PNP (PNP + CTS), and 77 controls (87 hands). L-I DIFF was significantly prolonged in both the CTS and PNP + CTS patients as compared to PNP patients and controls. It proved to be the most specific test to differentiate between diffuse (PNP) and focal (entrapment) nerve disorder.
- Publication
Muscle & Nerve, 1997, Vol 20, Issue 2, p153
- ISSN
0148-639X
- Publication type
journal article
- DOI
10.1002/(SICI)1097-4598(199702)20:2<153::AID-MUS3>3.0.CO;2-B