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Meta-Analysis
. 2021 Jan 1;147(1):112-125.
doi: 10.1097/PRS.0000000000007440.

Efficacy of Nonoperative Treatments for Lateral Epicondylitis: A Systematic Review and Meta-Analysis

You J Kim  1 , Shannon M Wood  1 , Alfred P Yoon  1 , Julia C Howard  1 , Lan Y Yang  1 , Kevin C Chung  1
Affiliations
Meta-Analysis

Efficacy of Nonoperative Treatments for Lateral Epicondylitis: A Systematic Review and Meta-Analysis

You J Kim et al. Plast Reconstr Surg. .

Abstract

Background: Lateral epicondylitis is a common overuse injury affecting approximately 1 to 3 percent of the population. Although symptoms may disappear spontaneously within 1 year, the clinical guidelines for conservative treatment are not clear. The authors' objective was to examine the outcomes of nonsurgical treatments for lateral epicondylitis through a meta-analysis and provide a treatment recommendation using the available evidence.

Methods: The authors searched the PubMed, EMBASE, Scopus, and Web of Science databases to identify primary research articles studying conservative treatments (electrophysiotherapy, physical therapy, and injections) for lateral epicondylitis. The authors included randomized controlled trials published in peer-reviewed journals. Data related to outcomes (pain, grip strength, Patient-Rated Tennis Elbow Evaluation score, and Disabilities of the Arm, Shoulder and Hand score) and complications were extracted.

Results: Fifty-eight randomized controlled trials were included in the meta-analysis. Electrophysiotherapy was effective in improving pain [mean difference, -10.0 (95 percent CI, -13.8 to -6.1)], Patient-Rated Tennis Elbow Evaluation score [mean difference, -10.7 (95 percent CI, -16.3 to -5.0)], and Disabilities of the Arm, Shoulder and Hand score [mean difference, -11.9 (95 percent CI, -15.8 to -7.9)]; and physical therapy improved pain [mean difference, -6.0 (95 percent CI, -9.7 to -2.3)] and Patient-Rated Tennis Elbow Evaluation scores [mean difference, -7.5 (95 percent CI, -11.8 to -3.2)] compared to placebo. Injections did not improve any outcome measures. Patients who received electrophysiotherapy and injections reported higher adverse effects than physical therapy patients.

Conclusions: Patients who received electrophysiotherapy and physical therapy reported statistically and clinically improved scores in pain and function compared to placebo. Injections may put patients at higher risk for adverse effects compared to other conservative treatments. When managing lateral epicondylitis conservatively, electrophysiotherapy and physical therapy should be prioritized before other interventions.

Clinical question/level of evidence: Therapeutic, I.

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References

    1. Buchanan BK, Varacallo M. Tennis Elbow (Lateral Epicondylitis). 2019.Treasure Island, Fla: StatPearls Publishing.
    1. Sims SE, Miller K, Elfar JC, Hammert WC. Non-surgical treatment of lateral epicondylitis: A systematic review of randomized controlled trials. Hand (N Y). 2014;9:419–446.
    1. Vaquero-Picado A, Barco R, Antuña SA. Lateral epicondylitis of the elbow. EFORT Open Rev. 2016;1:391–397.
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    1. Bateman M, Littlewood C, Rawson B, Tambe AA. Surgery for tennis elbow: A systematic review. Shoulder Elbow. 2019;11:35–44.

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