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Sensitivity and specificity of vibrometry for detection of carpal tunnel syndrome.

Authors
Gerr-F; Letz-R; Harris-Abbott-D; Hopkins-LC
Source
J Occup Environ Med 1995 Sep; 37(9):1108-1115
NIOSHTIC No.
00229353
Abstract
The ability of vibrometry to detect carpal tunnel syndrome (CTS) was evaluated. The study group consisted of 119 volunteers, 238 hands, who were divided into three groups according to the presence or absence of CTS symptoms and abnormalities in sensory nerve conduction as measured by standard electrophysiological techniques. Fifty seven hands had symptoms and electrophysiological findings typical of CTS (CTS positive group), 58 hands had CTS symptoms, but normal electrophysiological findings (CTS negative group), and 123 hands had no CTS symptoms and normal electrophysiological findings (controls). The subjects performed 10 minutes of wrist flexion exercise. Vibrotactile thresholds (VTs) of the index and small fingers of both hands were measured before and after exercise using a Vibraton-II instrument. VTs in CTS patients measured after 10 minutes of wrist flexion averaged twice those measured before such exercise. After wrist flexion, sensitivities were 61 and 57% for specificities of 70 and 80%, respectively.
Keywords
NIOSH-Publication; NIOSH-Grant; Musculoskeletal-system-disorders; Carpal-tunnel-syndrome; Vibration-exposure; Sensory-thresholds; Laboratory-testing; Clinical-diagnosis; Electrophysiological-measurements
Contact
Community Medicine Mount Sinai School of Medicine One Gustave L Levy Place New York, NY 10029
CODEN
JOEMFM
Publication Date
19950901
Document Type
Journal Article
Funding Amount
161973
Funding Type
Grant
Fiscal Year
1995
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-K01-OH-00098
Issue of Publication
9
ISSN
1076-2752
Priority Area
Musculoskeletal-system-disorders
Source Name
Journal of Occupational and Environmental Medicine
State
NY
Performing Organization
Mount Sinai School of Medicine, New York, New York
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