The Effect of Biofeedback Physical Therapy in Men with Chronic Pelvic Pain Syndrome Type III
Introduction
Chronic Pelvic Pain Syndrome type III or chronic non-bacterial prostatitis (CP/CPPS) is characterized by Lower Urinary Tract Symptoms (LUTS), discomfort or pain in the pelvic region for at least 3 months of duration and sexual dysfunction [1]. Over the last decade this benign entity has attracted much attention due to the high prevalence, socio-economic impact and severe impact on the quality of life of a CP/CPPS patient [1], [2]. However, knowledge about the etiology, the pathophysiology and proper therapy for CP/CPPS is still lacking.
In 1995 the National Institutes of Health (NIH) described the development and validation of the Chronic Prostatitis Symptom Index (NIH-CPSI) [3]. This index addressed the 3 most important domains of CP/CPPS: pain (location, severity and frequency), voiding (irritative and obstructive symptoms), and impact/quality of life. Although the diagnosis of CP/CPPS is primarily a diagnosis of exclusion, the NIH-CPSI has proven to be of value for the diagnosis and follow-up treatment, even in primary and secondary care, of these patients [4].
The treatment of men with CP/CPPS is difficult because the pathogenesis is unclear. Several treatment modalities such as antimicrobial agents, analgesics, anti-inflammatory agents, muscle relaxants, alpha-blockers, 5-alpha-reductase inhibitors, heat therapy, surgery and biofeedback physical therapy have been proposed and investigated [5]. Since pathogenic bacteria present in the prostate do not cause CP/CPPS unless an acute urinary tract infection develops, the rationale for antibiotics for the treatment of CP/CPPS is missing [6], [7]. Alpha-blockade has proven beneficial in a subset of patients with mainly obstructive LUTS [8], [9]. Finally, based on the hypothesis of Segura et al. that CP/CPPS may be the result of or associated with pelvic floor abnormalities, Zermann demonstrated that the majority of patients with CP/CPPS had pathological tenderness of the striated pelvic floor muscles and poor to absent pelvic floor function [10], [11]. Indeed, a recent case control study demonstrated that men with CP/CPPS have significantly more abnormal pelvic floor muscular findings compared with a group of men without pain [12]. Based on these findings treatment of men with CP/CPPS with biofeedback physical therapy may be meaningful. In combination with electromyografical measure for biofeedback training, skeletal muscle activity can be measured and used for diagnosis or used as a cue for patient education.
Here we report our experience with biofeedback physical therapy as primary treatment of men with CP/CPPS.
Section snippets
Methods
Between March 2000 to March 2004, 33 consecutive men (mean age 45 years, range from 23 years to 70 years) who were diagnosed with CP/CPPS participated in a pelvic floor biofeedback re-education program. Diagnosis was based on history including the NIH-CPSI questionnaire and physical examination including pelvic floor muscle tonus (piriform, coccygeal, levator ani and obdurator muscles), urinalysis, uroflowmetry with residual urine measurement and transrectal ultrasonography of the prostate.
Results
Two of the 33 men who were diagnosed with CP/CPPS dropped out. One patient could not be properly trained because he did not understand the instructions. His pelvic floor muscle tonus was elevated and the NIH-CPSI was 21. The other patient stopped training after 3 sessions and did not return for follow up. The remaining 31 men were entered for analysis.
The total CPSI score decreased after treatment for all patients except one (97%) (Fig. 1a). In the subdomain of micturition improvement was seen
Discussion
The specific mechanisms underlying the CP/CPPS syndrome have not been defined. Since the last decade some progress has been achieved in the understanding of this benign entity which has a severe impact on the quality of life of a CPPS patient [5], [7], [8], [9], [13]. For the evaluation of new therapies for CP/CPPS the NIH-CPSI is considered a reliable and responsive measure of CP/CPPS in primary and secondary care [4].
Until recently, the prostate and bacterial infections were believed to play
Conclusions
Our study clearly demonstrates the significant effect of biofeedback physical therapy and pelvic floor re-education for CP/CPPS patients. The observation that the EMG results correlated with the NIH-CPSI score appears to emphasize that the pelvic floor plays an important role in the pathophysiology of CP/CPPS.
Acknowledgements
We would like to thank Dr Egbert Oosterwijk for his critically comments of the manuscript.
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