CLINICAL CHARACTERISTICS, IMAGES OF ULTRASOUND OF PATIENTS WITH CARPAL TUNNEL SYNDROME

Trần Thị Lan1, Lưu Thị Bình1,, Nguyễn Trường Giang2
1 Thai Nguyen University of Medicine and Pharmacy
2 Thai Nguyen Central General Hospital

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Abstract

Aim: Description of the clinical characteristics and images of power Doppler ultrasound of patients with carpal tunnel syndrome treated at Thai Nguyen National Hospital. Subjects and methods: Cross-sectional description of 36 patients  with 49 carpal tunnels diagnosed with carpal tunnel syndrome according to National Institute for Occupational Safety and Health in 1993 from July 2020 to July 2021. Result: Female/male ratio = 8/1. The mean age of the patients was 54,4 ±12. Clinical symptoms of the patients was: 98,0% of numbness, 87,8% with pain along the median nerve, 75,5% of paresthesia during day and night, 79,6% of decreased or lostsensation in the finger III, IV, V. Phalen test (+)was found in 87,8% of carpal tunnels, Tinel sign (+) in 63,3% of the ones, Ducan test (+) in 53,1% of the ones. There was 57,1% of the carpal tunnels with Notch sign (+), reversed Notch sign (+) in 4.1% of the carpal tunnels. Signs of angiogenesis were found in 55,1% of the carpal tunnel. The median nerve area proximal to the carpal tunnel averaged 11,1± 1,9 on the preferred hand and 11,7±1,4 on the other hand.  Conclusion: The most common clinical symptoms of carpal tunnel syndrome were the result of the damaged median nerve. Ultrasound helps to confirm the diagnosis of carpal tunnel syndrome by showing increased angiogenesis in the nerve, Notchs sign, and increased area of ​​the median nerve near the carpal tunnel.

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