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Improved diagnosis of Carpal tunnel syndrome using amplitude difference between m. Abductor pollicis brevis and m. Pronator quadratus?

<p>The purpose of this study was to investigate the difference in amplitude between M-response from m. Abductor pollicis brevis/m. Pronator quadratus and m. Abductor pollicis brevis/m. Abductor digiti minimi on patients with carpal tunnel syndrome, compared with control subjects. We wanted to see if m. Pronator quadratus is a better alternative than m. Abductor digiti minimi as comparison with m. Abductor pollicis brevis on patients with carpal tunnel syndrome.</p><p>Nerve conduction studies were performed on 20 patients with carpal tunnel syndrome and on 31 healthy subjects.</p><p>The test-retest result shows that this method was reproducible. The amplitude difference of m. Abductor pollicis brevis-m. Abductor digiti minimi, for the patients, was 1,5mV lower and the amplitude for m. Abductor pollicis brevis-m. Pronator quadratus was 2mV lower than for healthy subjects. Two of the patients were outside the 2SD for the m. Abductor pollicis brevis-m. Pronator quadratus difference but not on the m. Abductor pollicis brevis-m. Abductor digiti minimi. This may indicate that m. Pronator quadratus was better than m. Abductor digiti minimi in the comparison with the m. Abductor pollicis brevis amplitude.</p>

Identiferoai:union.ndltd.org:UPSALLA/oai:DiVA.org:uu-9102
Date January 2008
CreatorsBergfors, Monica
PublisherUppsala University, Department of Medical Biochemistry and Microbiology, Uppsala : Universitetsbiblioteket
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, text

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