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Pathophysiology and Prognostic Factors in Carpal Tunnel Syndrome after Median Nerve Decompression

並列摘要


To identify factors associated with patient satisfaction after the decompression of the median nerve at the carpal tunnel, fifty five patients with carpal tunnel syndrome (CTS) who underwent surgery for median nerve decompression were distributed into two groups in relation to the degree of satisfaction with surgical outcome. The dissatisfied group was younger (39.8 ± 8.7 vs. 50.5 ± 10.2; p=0.0005) and also showed a higher body mass index (29.0 ± 3.6 vs. 25.5 ± 3.9, p=0.0028) and preoperative intensity of pain (8.5 ± 1.4 vs. 7.2 ± 2.6, p=0.0168) compared to the satisfied group. In relation to the sensitive conduction velocity, the percentage of hands with abnormal values was higher in the satisfied group (90.3% vs. 62.5%, p=0.0454). On the logistical regression model, satisfaction with surgical outcome increased with age (p=0.0181) and decreased with obesity (p=0.0069) and when motor distal latency was greater than 4 ms (p=0.0342).

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