Sonographic short-term follow-up after surgical decompression of the median nerve at the carpal tunnel: a single-center prospective observational study

Neurosurgical Focus
Sueleyman TasStephan Duetzmann

Abstract

OBJECT Carpal tunnel syndrome causes increased cross-sectional area (CSA) of the median nerve, which can be assessed by high-definition ultrasonography. It is unclear today, however, whether high-definition ultrasonography may play a role in the postoperative period. This prospective study aimed to determine the natural history of the morphology of the median nerve at the carpal tunnel after surgical decompression assessed by high-definition ultrasonography. METHODS Between October and December 2014, patients with suspected carpal tunnel syndrome who were referred to the authors' center for peripheral neurosurgery were prospectively enrolled and underwent pre- and postoperative (3 months) high-definition ultrasonography, electrophysiology, and clinical testing. RESULTS Eighty-one patients were enrolled in the study, and 100% were clinically better at the 3-month follow-up. The mean CSA decreased from 14.7 ± 4.9 mm(2) to 12.4 ± 3.4 mm(2) (mean ± SD, p < 0.0001). The mean distal motor latency decreased from 6.6 ± 2.4 msec to 4.8 ± 1.0 msec (mean ± SD, p < 0.0001). Ninety-eight percent of patients who were available for electrodiagnostic follow-up showed an improvement of the distal motor latency; only 80% had a reduction in the C...Continue Reading

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Citations

Oct 16, 2015·World Neurosurgery·Zarina S AliViviane Khoury
Mar 6, 2016·The Journal of Hand Surgery, European Volume·S DuetzmannG Marquardt
Jul 13, 2019·Hand : Official Journal of the American Association for Hand Surgery·Stefano LucchinaMarco Guidi
Oct 30, 2019·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Craig D ChappellAmanda V Takke
May 15, 2021·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Alex Wing Hung NgPak Cheong Ho

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