Effectiveness of Oral Pain Medication and Corticosteroid Injections for Carpal Tunnel Syndrome: A Systematic Review

Publication date: August 2018

Source: Archives of Physical Medicine and Rehabilitation, Volume 99, Issue 8

Author(s): Bionka M. Huisstede, Manon S. Randsdorp, Janneke van den Brink, Thierry P.C. Franke, Bart W. Koes, Peter Hoogvliet

Abstract

Objective

To present an evidence-based overview of the effectiveness of oral pain medication and corticosteroid injections to treat carpal tunnel syndrome (CTS).

Data Sources

The Cochrane Library, PubMed, Embase, CINAHL, and Physiotherapy Evidence Database were searched for relevant systematic reviews and randomized controlled trials (RCTs).

Study Selection

Two reviewers independently applied the inclusion criteria to select potential studies.

Data Extraction

Two reviewers independently extracted the data on pain (visual analog scale), function or recovery, and assessed the methodologic quality.

Data Synthesis

A best-evidence synthesis was performed to summarize the results of the included studies. Four reviews and 9 RCTs were included. For oral pain medication, strong and moderate evidence was found for the effectiveness of oral steroids versus placebo in the short term. Moderate evidence was found in favor of oral steroids versus splinting in the short term. No evidence was found for the effectiveness of oral steroids in the long term. For corticosteroid injections, strong evidence was found in favor of a corticosteroid injection versus a placebo injection and moderate evidence was found in favor of corticosteroid injection versus oral steroids in the short term. Also, in the short term, moderate evidence was found in favor of a local versus a systematic corticosteroid injection. Higher doses of corticosteroid injections seem to be more effective in the midterm; however, the benefits of corticosteroid injections were not maintained in the long term.

Conclusions

The reviewed evidence supports that oral steroids and corticosteroid injections benefit patient with CTS particularly in the short term. Although a higher dose of steroid injections seems to be more effective in the midterm, the benefits of oral pain medication and corticosteroid injections were not maintained in the long term.

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