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Updated: Jun 25, 2026

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse (POP) Quantification System
Published on: September 20, 2018
Questionnaire-based assessment of pelvic organ dysfunction in multiple system atrophy
Tatsuya Yamamoto1, Ryuji Sakakibara, Tomoyuki Uchiyama
1Department of Neurology, Chiba University, Chuo-ku, Chiba, Japan. tatsuya-yamamoto@mbc.nifty.com
Pelvic organ dysfunction, including urinary, bowel, and sexual issues, is highly prevalent in multiple system atrophy (MSA) patients. This dysfunction significantly diminishes their quality of life.
Area of Science:
- Neurology
- Urology
- Gastroenterology
Background:
- Multiple system atrophy (MSA) is a neurodegenerative disorder.
- Autonomic dysfunction, particularly urinary symptoms, is a hallmark of MSA.
- Pelvic organ dysfunction significantly impacts the quality of life (QOL) in MSA patients.
Purpose of the Study:
- To determine the prevalence of pelvic organ dysfunction in patients with MSA.
- To assess the impact of this dysfunction on QOL.
Main Methods:
- A questionnaire assessing bladder, bowel, and sexual function was administered to 256 MSA patients and 158 controls.
- Dysfunction severity was categorized (mild, moderate, severe).
- Statistical analysis used the Mann-Whitney U-test.
Main Results:
- MSA patients exhibited significantly higher rates of urinary, bowel, and sexual dysfunction compared to controls.
- Urinary dysfunction affected 70-76% of MSA patients.
- Bowel and sexual dysfunction were also common, impacting QOL.
Conclusions:
- Pelvic organ dysfunction is a common and significant comorbidity in MSA.
- Addressing these dysfunctions is crucial for improving QOL in MSA patients.
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