Objective
Carpal tunnel syndrome (CTS) is the most common peripheral entrapment mononeuropathy. The purpose of this systematic review is to evaluate the reported clinical effectiveness and safety of ultrasound‐guided percutaneous carpal tunnel release (USCTR) for the treatment of CTS.
Literature Survey
PubMed, EMBASE, and ScienceDirect databases were queried from database inception to February 20, 2021, to identify clinical studies on USCTR.
Methodology
Two reviewers independently completed title, abstract, and full‐text screening, and they extracted data in duplicate for analysis. Procedure techniques, outcome measures, and complications were descriptively analyzed.
Synthesis
Eighty‐seven studies were eligible for screening. Twenty studies (three randomized controlled trials, three prospective cohort studies, and 14 case series) met inclusion criteria, with a total of 1772 USCTR cases. The overall level of evidence was very low, with seven studies with at least moderate risk of bias. Thirteen studies exceeded the minimal clinically important difference (MCID) for the Boston Carpal Tunnel Questionnaire Symptom Severity Scale (BCTQ‐SS) and Boston Carpal Tunnel Questionnaire Functional Status Scale (BCTQ‐FS), and six studies exceeded the MCID for the Quick Disabilities of Arm, Shoulder & Hand (QDASH). Five studies reported statistically significant improvement in these functional outcome measures as early as the first week post‐procedure. A major complication occurred in one patient who developed suspected compartment syndrome, and minor complications were reported in 24 patients.
Conclusions
Based on very low level of evidence, early studies suggest that USCTR may be an effective treatment for CTS, with potential for short post‐procedure recovery times.
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