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Review
. 2022 Apr 4;12(4):533.
doi: 10.3390/life12040533.

Local Corticosteroid Injections versus Surgical Carpal Tunnel Release for Carpal Tunnel Syndrome: Systematic Review and Meta-Analysis

Luise Schäfer  1 , Nicola Maffulli  2   3   4 , Alice Baroncini  1 , Jörg Eschweiler  1 , Frank Hildebrand  1 , Filippo Migliorini  1
Affiliations
Review

Local Corticosteroid Injections versus Surgical Carpal Tunnel Release for Carpal Tunnel Syndrome: Systematic Review and Meta-Analysis

Luise Schäfer et al. Life (Basel). .

Abstract

Introduction: Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy. This meta-analysis compared local steroid injections (LSIs) versus carpal tunnel release (CTR) for the management of CTS. Neurophysiological parameters, patient-reported outcome measures (PROMs), and the complication rate were investigated. We hypothesized that LSIs may represent an effective and safe alternative to surgical management. Methods: This systematic review was conducted according to the 2020 PRISMA statement. All the clinical investigations comparing LSIs versus CTR for carpal tunnel syndrome were accessed. In March 2022, the following databases were accessed: Pubmed, Web of Science, Google Scholar, and Embase. No time constrains were used for the search. The risk of bias and statistical analyses were conducted using the Review Manager Software 5.3 (The Nordic Cochrane Collaboration, Copenhagen). Results: Data from 1096 procedures were retrieved. The mean follow-up was 12.3 (1 to 58) months. The mean age of the patients was 51.1 ± 4.6. Nocturnal paraesthesia (p < 0.0001) and visual analogue scale (p < 0.0001) were greater in the LSIs cohort. No difference was found in the functional (p = 0.2) and symptom (p = 0.4) subscales of the Boston Carpal Tunnel Questionnaire (BCTQ), median nerve distal motor latency (p = 0.9), median nerve motor amplitude (p = 0.7), median nerve sensory conduction velocity (p = 0.4), or median nerve sensory amplitude (p = 0.3). No difference was found in terms of minor complications (p = 0.9). No major complications were observed within the duration of follow-up. Conclusion: Both CTR and LSIs were effective and feasible in reducing symptoms of carpal tunnel syndrome. Though LSIs led to greater pain relief, this superiority was not permanent. Irrespective of the severity of the symptoms, current evidence suggests that a cycle of LSIs may be considered in patients with CTS. However, patients must be aware that LSIs may not be the definitive therapy, and CTR should be recommended.

Keywords: carpal tunnel release; carpal tunnel syndrome; steroid injections.

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Conflict of interest statement

The authors declare no competing interests for this article.

Figures

Figure 1
Figure 1
Flow chart of the literature search.
Figure 2
Figure 2
Funnel plot.
Figure 3
Figure 3
Methodological quality assessment.
Figure 4
Figure 4
Forest plot of the comparison: npVAS.
Figure 5
Figure 5
Forest plot of the comparison: pVAS.
See this image and copyright information in PMC

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