Ultrasound-guided vs. landmark-guided local corticosteroid injection for carpal tunnel syndrome: A systematic review and meta-analysis

Babaei-Ghazani, Arash; Roomizadeh, Peyman; Shirin, Afzalunnessa

doi:10.1016/j.rehab.2018.05.308

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“…Even with correct needle insertion and localization, patients with CTS are prone to injury owing to edema of the median nerve [12]. In this situation, ultrasound-guided injection is gradually applied for accurate localization and acquires favorable outcomes [13][14][15][16][17]. However, landmark-guided injection still seems to be one of the most available management procedures, attributed to good effectiveness, more convenience, and lower cost [18].…”

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confidence: 99%

Comparison of Distal and Proximal Local Steroid Injection for Carpal Tunnel Syndrome: a Systematic Review and Meta-analysis of Randomized Controlled Trials

et al. 2022

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Introduction: Local steroid injection (LSI) in the carpal tunnel is a mainstay of conservative treatment in patients with carpal tunnel syndrome (CTS). Currently, clinicians generally perform a conventional proximal approach (PA) or novel distal approach (DA) for LSI. Recent systematic reviews comparing the two injection methods are lacking. This systematic review and meta-analysis aimed to assess whether LSI using the DA was superior to PA in treating patients with CTS. Methods: Databases including Pubmed, Embase, and the Cochrane library were searched up to 30 May 2022 to identify relevant randomized controlled trials (RCTs) comparing the DA with the PA steroid injection in patients with CTS. The outcomes mainly included Boston Carpal Tunnel Questionnaire Symptom Severity Scale (BCTQs) and Functional Status Scale (BCTQf), visual analog scores (VAS), electrophysiological outcomes, pain of injection, duration of injection, or adverse events. Results: Five RCTs involving 339 patients were identified. Pooled analysis showed that the DA group took less time [mean difference (MD) -19.91; 95% CI -34.48 to -5.35; P = 0.007] and acquired better sensory nerve action potential amplitude [standardized mean difference (SMD) -0.37; 95% CI -0.62 to -0.11; P = 0.005]. The two groups were not significantly different in terms of BCTQs and BCTQf, VAS, other electrophysiological outcomes, pain of injection, or adverse events (P [ 0.05). Chunke Dong and Yuting Zhu contributed equally to this study and should be considered co-first authors.

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