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Over Active Bladder Index (OABI): A New Objective Tool Based on Uroflow Parameters for Diagnosis of Overactive

Ramesh Babu1, Muthukumar Ashwin1

  • 1Department of Pediatric Urology, Sri Ramachandra Institute of Higher Education & Research, Chennai, India.

Journal of Pediatric Surgery
|November 12, 2023
PubMed

Insights

This study introduces an objective Overactive Bladder Index (OABI) using uroflow parameters to diagnose Overactive Bladder (OAB). The OABI demonstrates high accuracy and may aid in assessing treatment response.

Area of Science:

  • Urology
  • Medical Diagnostics

Background:

  • Current diagnosis of Overactive Bladder (OAB) relies heavily on subjective patient reporting.
  • Objective diagnostic tools are needed to improve accuracy and treatment monitoring for OAB.

Purpose of the Study:

  • To develop and validate an objective uroflow-based index for diagnosing Overactive Bladder (OAB).
  • To establish a new diagnostic criterion that complements subjective assessments.

Main Methods:

  • A pilot study involved 30 OAB patients and 30 controls, analyzing Uroflow Index (UI), Voided Volume Ratio (VVR), and Time to Qmax (TQmax).
  • Linear regression was used to correlate these parameters with OAB diagnosis.
  • A second validation study included 28 OAB patients and 32 controls to confirm the index's efficacy.

Main Results:

  • Significant differences in UI, VVR, and TQmax were observed between OAB patients and controls (p < 0.01 for all).
  • A combined OAB Index (OABI) was developed: OABI = 8(UI) + 9(VVR) + 0.5(TQmax).
  • The validation study showed OABI achieved 97% overall accuracy, with 93% sensitivity and 100% specificity.

Conclusions:

  • The proposed Overactive Bladder Index (OABI) offers an objective method for diagnosing OAB using uroflow parameters.
  • OABI demonstrates high diagnostic performance and potential utility in monitoring treatment effectiveness.
  • Further large-scale studies are recommended to solidify its clinical application.
Abstract

Keywords:
ChildrenDiagnosisIncontinenceIndexOver active bladderPrognosisUroflow

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