Physical Examination for Men and Women With Urologic Chronic Pelvic Pain Syndrome: A MAPP (Multidisciplinary Approach to the Study of Chronic Pelvic Pain) Network Study. — ME/CFS Atlas
E2 ModerateModerate confidencePEM not requiredCross-SectionalPeer-reviewedReviewed
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Physical Examination for Men and Women With Urologic Chronic Pelvic Pain Syndrome: A MAPP (Multidisciplinary Approach to the Study of Chronic Pelvic Pain) Network Study.
Yang, Claire C, Miller, Jane L, Omidpanah, Adam et al. · Urology · 2018 · DOI
Quick Summary
This study looked at physical examination findings in people with chronic pelvic pain to see if doctors could identify characteristic patterns. Researchers examined 62 people with pelvic pain and compared them to 42 people with chronic fatigue syndrome and 39 healthy people. They found that people with pelvic pain were much more likely to have tender muscles in the pelvic floor area, and a special extended examination could help identify which specific areas were affected.
Why It Matters
Many ME/CFS patients experience concurrent or related chronic pelvic pain, and this study demonstrates that standardized physical examination protocols can reliably identify pelvic floor dysfunction patterns. Understanding these physical examination findings may help clinicians better subtype and manage chronic pain conditions that overlap with ME/CFS, potentially improving treatment outcomes through more precise phenotyping.
Observed Findings
Pelvic floor tenderness was present in 55.0% of UCPPS cases compared to 14.6% of CFS-positive controls and 10.5% of healthy controls.
Multiple areas of tenderness (suprapubic, symphysis pubis, posterior superior iliac spine) were more frequently reported in UCPPS cases than healthy controls.
Extended genitourinary examination identified specific regional patterns of pelvic floor muscle tenderness in cases.
No pudendal neuropathy was observed on extended examination in either cases or controls.
No sex-based differences were found in characteristic physical examination findings between men and women with UCPPS.
Inferred Conclusions
Pelvic floor muscle tenderness is a characteristic physical finding that differentiates UCPPS cases from controls.
Standardized extended genitourinary examination is a practical clinical tool for assessing men and women with UCPPS.
Physical examination findings may help categorize UCPPS patients into clinically relevant subgroups for targeted treatment.
Pelvic floor dysfunction in UCPPS is not sex-specific and does not appear to involve pudendal nerve pathology.
Remaining Questions
What is the underlying mechanism producing pelvic floor tenderness in UCPPS, and how does it relate to systemic symptoms like those in ME/CFS?
What This Study Does Not Prove
This cross-sectional study cannot establish causation or explain why pelvic floor tenderness develops. The study does not determine whether pelvic floor dysfunction causes systemic symptoms, results from them, or represents a distinct but co-occurring condition. Additionally, findings cannot be generalized beyond the specific study population and do not address whether these physical examination findings predict treatment response.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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