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. 2021 Apr;476(4):1905-1913.
doi: 10.1007/s11010-020-04009-w. Epub 2021 Jan 25.

Extracorporeal shock wave therapy decreases the number of total and degranulated mast cells and alleviates pelvic pain in a rat model of prostatitis

Zhengyao Song  1 , Chen Jin  1   2 , Zichen Bian  1   2 , Chaozhao Liang  3
Affiliations

Extracorporeal shock wave therapy decreases the number of total and degranulated mast cells and alleviates pelvic pain in a rat model of prostatitis

Zhengyao Song et al. Mol Cell Biochem. 2021 Apr.

Abstract

Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is a common male urological disease characterized by chronic pelvic pain. Extracorporeal shock wave therapy (ESWT) has been used to treat patients with CP/CPPS, but the parameters used by ESWT are not uniformly determined. Herein, this study aims to assess the effects of ESWT with different energy flux densities on pelvic pain in CP/CPPS rats and to explore the mechanisms. A rat model of CP/CPPS was induced by intraprostatic injection of 1% carrageenan. ESWT with different energy flux densities (0.09, 0.20, 0.30, 0.40 mJ/mm2) was applied in the pelvic region of CP/CPPS rats once a week for 4 weeks. The results showed that compared with the other energy flux densities (0.09, 0.30, and 0.40 mJ/mm2), ESWT with 0.20 mJ/mm2 exhibited a more powerful effect in alleviating pelvic pain and prostate damage. The therapeutic effect is associated with the reduction of the number of total and degranulated mast cells. Collectively, ESWT with 0.20 mJ/mm2 achieved the optimal therapeutic effect in alleviating pelvic pain in CP/CPPS rats.

Keywords: Chronic pelvic pain syndrome; Chronic prostatitis; Extracorporeal shock wave therapy; Mast cells.

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