• Amir Moayednia, Saeid Haghdani, Saeid Khosrawi, Elham Yousefi, and Babak Vahdatpour.
• Department of Physical Medicine and Rehabilitation, Isfahan University of Medical Sciences, Isfahan, Iran.
• J Res Med Sci. 2014 Apr 1; 19 (4): 293-6.

BackgroundThere is limited evidence about the chronic pelvic pain syndrome (CPPS) treatment by shockwave therapy, and the aim of this study was to evaluate the effect of extracorporeal shockwave therapy on CPPS due to non bacterial prostatitis in a long-term period.Materials And MethodsIn a follow-up survey, 40 patients with CPPS (that were randomly distributed into the treatment or sham groups were evaluated at 16, 20, and 24 weeks. In the treatment group, patients were treated by extracorporeal shock wave therapy (ESWT) once a week for 4 weeks by a protocol of 3000 impulses, 0.25 mJ/m(2) and 3 Hz of frequency. 0.05 mJ/m(2) were added in each week. In the sham group, the same protocol was applied, but with the probe being turned off. The follow-up assessments were done by visual analog scale for pain and National Institutes of Health-developed Chronic Prostatitis Symptom Index (NIH-CPSI). Data were compared using independent t-test or analysis of variences.ResultsThree patients did not complete the study protocol, 37 patients were evlauated (19 patients in treatment and 18 patients in the sham group). At week 24, the mean of pain score, urinary score, quality-of-life and NIH-CPSI score between two groups were not statistically different.ConclusionAlthough, ESWT therapy as a safe and effective therapy in CPPS in short-term follow-up has been established, its long-term efficacy was not supported by this study.

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