Muscle & nerve · 2018
Correlation of ultrasound cross-sectional area of the median nerve, nerve conduction studies and 2-point discrimination.
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Panagopoulos Georgios N, Wu Tiffany, Fowler John R
Аннотация
INTRODUCTION: The purpose of this study was to determine the correlation between a measure of physical performance, a measure of physiology and a measure of anatomy in the setting of carpal tunnel syndrome (CTS).
METHODS: A retrospective review of 215 consecutive patients with suspected CTS was conducted. All patients were evaluated with static 2-point discrimination (2PD), ultrasound (US) measurement of the median nerve cross-sectional area (CSA), and nerve conduction studies (NCS). Correlations between 2PD and US and NCS parameters were calculated. The ability of US/NCS to predict 2PD was evaluated.
RESULTS: Analysis failed to prove a statistically significant correlation between 2PD and median nerve CSA. A weak correlation was detected between 2PD and NCS parameters. When 2PD was used as a reference standard, NCS parameters combined had the greatest sensitivity, followed by US.
CONCLUSIONS: Currently used diagnostic tests (NCS and US) correlate poorly with 2PD. Muscle Nerve 000: 000-000, 2018 Muscle Nerve 59:236-239, 2019.
METHODS: A retrospective review of 215 consecutive patients with suspected CTS was conducted. All patients were evaluated with static 2-point discrimination (2PD), ultrasound (US) measurement of the median nerve cross-sectional area (CSA), and nerve conduction studies (NCS). Correlations between 2PD and US and NCS parameters were calculated. The ability of US/NCS to predict 2PD was evaluated.
RESULTS: Analysis failed to prove a statistically significant correlation between 2PD and median nerve CSA. A weak correlation was detected between 2PD and NCS parameters. When 2PD was used as a reference standard, NCS parameters combined had the greatest sensitivity, followed by US.
CONCLUSIONS: Currently used diagnostic tests (NCS and US) correlate poorly with 2PD. Muscle Nerve 000: 000-000, 2018 Muscle Nerve 59:236-239, 2019.