Implementation of ultrasound-guided carpal tunnel release

Thøger Persson Krogh, Christin Isaksen, Jose Manuel Rojo-Manaute, Helle Hasager Damkier, Pia Jensen, Ulrich Fredberg, Lau Brix

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Abstract

INTRODUCTION. Ultra-minimally invasive ultrasound-guided carpal tunnel release is a surgical procedure for treatment of carpal tunnel syndrome that is associated with less surgery-related morbidity and faster recovery than open surgery. The objectives of this study were to describe how the surgical technique may be acquired and to report the results obtained after implementation in a clinical setting.

METHODS. The study consisted of two parts: 1) description of the surgical skills needed to perform the procedure, and 2) evaluation of the procedure in the first ten consecutively operated patients after 12-month follow-up using questionnaires and magnetic resonance imaging (MRI). RESULTS. The procedure was performed on 29 cadaveric arms and assessed regarding surgical release success and signs of iatrogenic damage. Subsequently, the procedure was performed on ten patients with carpal tunnel syndrome. The results of the six-item Carpal Tunnel Symptoms Scale (1-5) improved from 3.3 ± 0.9 (mean ± standard deviation) preoperatively to 1.2 ± 0.3, p = 0.002, after 12 months. Quick Disabilities of the Arm, Shoulder and Hand (DASH) (0-100) results improved from 33.4 ± 14.8 to 2.3 ± 4.0, p = 0.002. There were no infections or iatrogenic damage to nerves or blood vessels.

CONCLUSIONS. This study presents a way to safely acquire the skills needed to perform the procedure and implement it in an out-patient setting. The results were comparable to previous findings regarding both effectiveness and safety. MRI
documented the surgical gap in the transverse carpal ligament, release length, cross-sectional area changes in the carpal
tunnel and median nerve, and reactive changes in the carpal tunnel.

FUNDING. None.
TRIAL REGISTRATION. Not relevant.
Original languageEnglish
Article numberA11220689
JournalDanish Medical Journal
Volume70
Issue number9
ISSN2245-1919
Publication statusPublished - 10. Aug 2023

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