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Abstract

Background:

The objective of this study is to assess the effectiveness of extracorporeal shock wave therapy in the management of calcifying tendinitis of the shoulder. Furthermore, a dose-response relationship was sought as a secondary confirmation of effectiveness.

Hypothesis:

Focused extracorporeal shock wave therapy has a high, dose-responsive effectiveness in the management of calcifying tendinitis of the shoulder.

Study Design:

Meta-analysis.

Methods:

Studies were identified from online databases (MEDLINE, EMBASE, and Cochrane Controlled Trials Register), manual searches, and personal communication with experts in the field. After assessment of heterogeneity, a random effects model was generated. The primary end points were identified as pain and function by using the visual analog scale and the Constant-Murley Score, respectively. These end points were pooled and the weighted mean differences and 95% confidence intervals were estimated. Odds ratios of the secondary end point deposit resorption were pooled.

Results:

In 14 studies, shock wave therapy led to a significantly higher reduction of pain (weighted mean difference, –2.8 points; 95% confidence interval, –4.2 to –1.5 points) and improvement of function (weighted mean difference, 19.8 points; 95% confidence interval, 13.4–26.3 points), compared to other treatments and placebo. High-energy treatment produced significantly better results than low-energy treatment for pain reduction (weighted mean difference, 1.7 points; 95% confidence interval, 0.7–2.6 points) and improvement of function (weighted mean difference, 10.7 points; 95% confidence interval, 7.2–14.1 points). These results are consistent with a dose-response relationship supporting the effectiveness of shock wave therapy.

Conclusion:

Shock wave therapy for calcifying tendinitis of the shoulder is effective in pain relief, function restoration, and deposit resorption; however, these conclusions are susceptible to bias arising from the limitations of the included studies.

Keywords

extracorporeal shock wave therapy calcifying tendinitis meta-analysis

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Focused Extracorporeal Shock Wave Therapy in Calcifying Tendinitis of the Shoulder: A Meta-Analysis

Abstract

Background:

Hypothesis:

Study Design:

Methods:

Results:

Conclusion:

Keywords

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References