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Non-invasive diagnosis of bladder instability using the Bladder Instability Discriminant Index (BIDI)
O Contreras Ortiz1, R J Lombardo, A Pellicari
1San Martin School Hospital, Medicine School, University of Buenos Aires.
Zentralblatt Fur Gynakologie
|January 1, 1993
Summary
The BIDI index offers a non-invasive method for diagnosing bladder instability in women. This study validated the BIDI index, showing high sensitivity and specificity for clinical use in primary care.
Area of Science:
- Urology
- Gynecology
- Primary Health Care
Background:
- Bladder instability diagnosis often requires invasive urodynamic assessment.
- A need exists for accessible, non-invasive diagnostic tools in primary care settings.
Purpose of the Study:
- To prospectively validate the BIDI index for non-invasive diagnosis of bladder instability in women.
- To assess the BIDI index's utility in primary health care settings.
Main Methods:
- Prospective validation study involving 217 women with symptoms of urinary incontinence.
- Clinical evaluation, questionnaires, physical examinations, and a 7-day frequency/volume study to calculate the BIDI index.
- Comparison of BIDI index results with urodynamic diagnoses.
Main Results:
- The BIDI index achieved 88% sensitivity and 83% specificity in diagnosing bladder instability.
- The BIDI index demonstrated effectiveness when compared to urodynamic assessments.
Conclusions:
- The BIDI index is a cost-effective, simple, non-invasive method for diagnosing bladder instability.
- Recommended for treatment monitoring and clinical decision-making, especially where urodynamic equipment is unavailable.