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Titre : | Comparison of Proximal and Distal Cross-Sectional Areas of the Median Nerve, Carpal Tunnel, and Nerve/Tunnel Index in Subjects With Carpal Tunnel Syndrome (2013) |
Auteurs : | Hyoung Seop Kim ; Joo Seung Ho ; Hyong Keun Cho ; et al. |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2013/11, 2013) |
Article en page(s) : | pp. 2151-2156 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Échographie ; Rééducation et réadaptation ; Syndrome du canal carpien |
Mots-clés: | Carpal Tunnel Syndrome ; Median nerve ; Nerf médian ; Ultrasonography |
Résumé : |
Objectives To provide a quantitative analysis of ultrasonographic measurements and possible pathophysiology of carpal tunnel syndrome by comparing cross-sectional areas of the median nerve, carpal tunnel, and nerve/tunnel index and the difference in ultrasonographic findings between affected and nonaffected hands and between sexes. Design Blinded comparison study. Setting Secondary referral and training hospital of institutional practice. Participants Patients (N=51; 42 women, 9 men) with suspected carpal tunnel syndrome who underwent sonography within 1 week after the electrodiagnostic study. Interventions Not applicable. Main Outcome Measures Electrodiagnostic and ultrasonographic studies were conducted on both upper extremities. Cross-sectional areas of the median nerve and carpal tunnel were measured at 2 separate levels; proximal and distal cross-sectional areas of the carpal tunnel were each measured at the scaphoid-pisiform and trapezium-hamate levels, respectively. Results Comparison between normative (n=24) and abnormal hands (n=78) revealed the following: the mean proximal cross-sectional areas of the median nerve, carpal tunnel, and nerve/tunnel index of electrodiagnostically normative hands were 10.941mm2, 192.43mm2, and 5.635%, respectively, whereas those of abnormal hands were 13.74mm2, 208.87mm2, and 6.693%, respectively, showing statistically significant differences for all (P<.05 distal measurements of the cross-sectional area median nerve carpal tunnel and index were respectively in normative hands abnormal showing no statistically significant differences>.05). In women, proximal cross-sectional areas of the median nerve and nerve/tunnel index of abnormal hands showed statistically significant differences, but no ultrasonographic measurement with a statistically significant difference was observed in men. Conclusions Compared with nonaffected hands, the proximal cross-sectional areas of the median nerve and carpal tunnel were greater, but the distal ultrasonographic measurements were not in affected hands. Ultrasonographic findings of carpal tunnel syndrome were different according to sex. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/journal/archives-of-physical-medicine-and-rehabilitation |