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Related Concept Videos

Nursing Assessment of the Genitourinary System II: Inspection and Palpation01:26

Nursing Assessment of the Genitourinary System II: Inspection and Palpation

The nursing assessment of the genitourinary (GU) system involves a systematic inspection and palpation to identify abnormalities in the kidneys, bladder, and surrounding structures.InspectionMouth: Inspect for signs of kidney dysfunction, such as stomatitis (inflammation of the mouth) and ammonia breath, which may occur in advanced kidney disease due to the buildup of urea, breaking down into ammonia.Skin: Check for pallor, which could indicate anemia caused by kidney disease. Look for...
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Related Experiment Video

Updated: May 16, 2026

Urinary Bladder Distention Evoked Visceromotor Responses as a Model for Bladder Pain in Mice
11:46

Urinary Bladder Distention Evoked Visceromotor Responses as a Model for Bladder Pain in Mice

Published on: April 27, 2014

Urge perception index of bladder hypersensitivity.

Atsuko Fujihara1, Osamu Ukimura, Hisashi Honjo

  • 1Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan.

The Journal of Urology
|December 4, 2012
PubMed
Summary

A new Urge Perception Index quantifies bladder hypersensitivity using bladder diaries. This index helps define overactive bladder severity, showing lower values in patients with overactive bladder.

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Area of Science:

  • Urology
  • Nephrology
  • Gynecology

Background:

  • Overactive bladder (OAB) significantly impacts quality of life.
  • Quantifying bladder hypersensitivity is crucial for accurate OAB diagnosis and management.
  • Current diagnostic methods may not fully capture the nuances of urinary perception.

Purpose of the Study:

  • To develop and validate the Urge Perception Index (UPI) as a quantitative measure of bladder hypersensitivity.
  • To assess the utility of the UPI in defining and grading the severity of overactive bladder.
  • To explore the correlation between the UPI and established OAB symptom scores.

Main Methods:

  • Retrospective analysis of 69 female patients with storage symptoms.
  • Utilized 3-day bladder diaries with patient-reported urinary perception grades (1-5).
  • Defined UPI as voided volume divided by urinary perception grade; compared UPI in OAB vs. non-OAB groups.

Main Results:

  • Analyzed 1,578 voids; UPI was significantly lower in OAB patients (55 ± 28) compared to non-OAB (133 ± 73).
  • Lowest single UPI values were significantly lower in OAB patients, indicating greater hypersensitivity.
  • Negative linear correlations found between UPI and OAB symptom scores (r = -0.598) and urgency scores (r = -0.557).

Conclusions:

  • The Urge Perception Index is a promising tool for quantifying bladder hypersensitivity.
  • UPI integrates patient perception and voided volume for objective OAB severity assessment.
  • Bladder diary analysis incorporating UPI can enhance OAB diagnosis and management strategies.