Early intervention of extracorporeal shockwave therapy sustained positive long-term effect on rotator cuff healing: A randomized controlled trial with 3-year follow-up

Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology · Published 2024-10-01 · DOI 10.1016/j.asmart.2024.09.004

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Abstract

Background: The long-term effects of extracorporeal shockwave therapy (ESWT) on rotator cuff repair are unknown. Objectives: To investigate the functional outcomes and structural changes of ESWT at 3-year follow-up after rotator cuff repair. Methods: A randomized clinical trial was conducted, including patients who underwent rotator cuff repair. The patients were assigned to two groups based on whether they underwent radial ESWT 3 months postoperatively. The ESWT Group received 5 weeks of rehabilitation and ESWT weekly, whereas the CONTROL Group received only rehabilitation. Visual analog scale (VAS) pain score and functional scores were analyzed at 3 months (baseline), 6 months, and 3 years follow-up. In addition, MRI and ultrasonography were used to assess tendon maturation, integrity, tendon quality, acromiohumeral distance (AHD), and muscle fatty infiltration. Results: Finally, 32 participants completed all the assessments. At the final follow-up, 2 patients in the ESWT Group (16.5 %) versus one patient in the CONTROL Group (6.25 %) had rotator cuff failure (P = 0.176). The ESWT treatment showed similar clinical outcomes in VAS-pain score, functional scores, tendon quality, AHD, and muscle fatty infiltration versus the CONTROL Group (Ps > 0.05). MRI analysis indicated improved tendon healing after ESWT treatment at both 6-month (P = 0.036) and 3-year follow-up (P = 0.028). Conclusion: Early intervention with radial ESWT sustained long-term effects on the healing of the repaired rotator cuff and similar functional outcomes at long-term follow-up compared with standard rehabilitation.

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Publication details

Year
2024

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