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Rehabilitation Practice and Science

Translated Title

超音波檢查於腕隧道症候群之診斷及正中神經滑動之量測

Abstract

The main purpose of the diagnostic ultrasound examination for carpal tunnel syndrome (CTS) is to compensate for the inadequacies of physical examinations and nerve conduction studies and thereby reduce the false negative rate of CTS diagnosis. The cross-sectional area of the median nerve, swelling ratio, flattening ratio, and palmar bowing of the flexor retinaculum have been reported as the diagnostic criteria for CTS in ultrasonographic examinations. In addition, Doppler ultrasound has been applied to measure the blood flow of the median nerve, and dynamic ultrasound combined with a cross-correlation algorithm has been developed to measure the gliding of the median nerve and flexor digitorum tendons inside the carpal tunnel. Assessing the adhesion between the median nerve and the connective tissue inside the carpal tunnel by using ultrasound may contribute to the development of a therapeutic exercise program for patients with CTS in the future. Most studies have attempted to establish a single diagnostic standard for all patients with CTS. However, using this standard might lead to underestimation of the variation in nerve size among patients with differences in ethnic group, sex, age, body weight, and height. Therefore, future studies should be devoted to establishing a series of diagnostic standards that account for these variations to improve the ultrasound diagnosis of CTS. In summary, this study was conducted to reviewarticle the ultrasonographic criteria used in diagnosing CTS and the innovative approaches used to evaluate the gliding of the median nerve and flexor tendons inside the carpal tunnel. In addition, this study demonstrated the difficulties of clinically applying methods involving ultrasound in diagnosing CTS, and this paper proposes suggestions for managing these difficulties.

Language

Traditional Chinese

First Page

179

Last Page

187+189

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