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DW Park; JY Hong; WS Chung; YY Park; Seoul; WT Lim; YJ Kong and YS Park; Busan, South Korea (Presented by Dr. Park)
Introduction and Objectives:
Prostatodynia after treatment of prostatitis is not rare and is refractory to treatment. Prostatodynia is suggested to be spasm of pelvic floor muscles around prostate and pain relief was experienced. By electrical stimulation therapy with low frequency. Thus we have evaluated the correlation between prostatodynia and electromyograph (EMG) of pelvic floor muscles to find whether electrical stimulation with low frequency can relieve the pain.
Methods:
Subjects were 20 patients whose white blood cells of expressed prostate secretion are less than 10 in high power field, who complained of perineal, back and hip pain and had treated prostatitis. Pain scores of prostatodynia by pain scale and EMG of pelvic floor muscle were measured. The patients were given electrical stimulation therapy on reverse Trendelenburg's position by relaxing massage (rect angular current, 20 Hz frequency, 320 micron s impulse, 20-50%, stimulation period only without resting period, synchronous, 20 minutes) with Compact Elite (manufactured by ECL, France, using anal plug electrode or surface electrode according to the pain region) weekly total 8 times. Pain scores and EMG were obtained again to find the change for the pain and EMG of pelvic floor muscles.
Results:
Patient was 30-59 year old (mean age = 45.4 year old). Those who experienced decrease of the pain score and EMG after electrical stimulation therapy are 14, those with decrease of the pain score but no change of EMG are 3, those with no change of the pain score and EMG are 2, those with increase of the pain score but decrease of EMG is 1. There is significant correlation between the pain score and EMG [Spearman's correlation coefficient = 0.634 (0.4)] and decrease of the pain score and EMG after treatment statistically [P for pain and EMG = 0.002 and 0.001 (0.05) by Wilcoxon signed ranks test].
Conclusions:
Sustained refractory prostatodynia after treatment of prostatitis is thought to be caused by spasm of pelvic floor muscles around prostate. Thus we think that electrical stimulation therapy with low frequency less than 20Hz inducible muscle relaxation is helpful to relive prostatodynia.
Source:
1999 AUA Meeting
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