Ultrasound-guided dextrose injection treatment for chronic myofascial pain syndrome: A retrospective case series

Yen Chou, Hong-Jen Chiou, Hsin-Kai Wang, Yi-Chen Lai, Yen Chou, Hong-Jen Chiou, Hsin-Kai Wang, Yi-Chen Lai

Abstract

Background: Due to the lack of an evidence-based consensus, managing refractory myofascial pain syndrome is challenging for clinicians. Dextrose injection (dextrose prolotherapy) emerged as a promising, cost-effective treatment. This study evaluated the efficacy of targeted ultrasound-guided dextrose injection for localized myofascial pain syndrome.

Methods: We retrospectively reviewed the clinical outcomes of 45 patients with myofascial pain syndrome refractory to alternative treatments with targeted ultrasound-guided dextrose injection. Pretreatment symptom severity and symptomatic response 1 month after treatment were statistically analyzed using a visual analog scale (VAS)-based scoring system.

Results: Of 45 patients, 8 (24.4%) reported complete resolution of symptoms at the treated site. In total, 36 (80.0%) patients reported greater than 50% improvement in their symptoms. The mean pretreatment and posttreatment VAS scores were 7.0 and 2.44 (p < 0.001), indicating an overall 65.0% reduction in symptom severity.

Conclusion: Targeted ultrasound-guided dextrose injection was remarkably effective for refractory localized myofascial pain syndrome, significantly reducing symptom intensities in the majority of treated patients within 1 month after a single injection.

Conflict of interest statement

Conflicts of interest: The authors declare that they have no conflicts of interest related to the subject matter or materials discussed in this article.

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