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Diagnostic accuracy of retrograde and spontaneous voiding trials for postoperative voiding dysfunction: a randomized
Elizabeth J Geller1, Kelly J Hankins, Brent A Parnell
1From the Department of Obstetrics and Gynecology, Division of Urogynecology and Reconstructive Pelvic Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
The retrograde voiding trial method is more accurate for predicting postoperative urinary issues than the spontaneous method. Patients preferred the retrograde approach, finding it a more efficient alternative for evaluating voiding dysfunction.
Area of Science:
- Urology
- Gynecology
- Surgical Outcomes
Background:
- Postoperative voiding dysfunction is a common complication following urogynecological surgery.
- Accurate prediction of this dysfunction is crucial for patient management and recovery.
- Current diagnostic methods for voiding trials have varying accuracy rates.
Purpose of the Study:
- To compare the diagnostic accuracy of two voiding trial methods: retrograde and spontaneous.
- To determine which method better predicts postoperative voiding dysfunction in women undergoing surgery for incontinence or prolapse.
Main Methods:
- A randomized trial involving 50 women undergoing surgery for urinary incontinence, prolapse, or both.
- Participants were randomized into two groups, with each patient undergoing both retrograde and spontaneous voiding trial techniques.
- The order of voiding trial techniques was determined by randomization.
Main Results:
- The retrograde method demonstrated higher diagnostic accuracy with a 94.4% sensitivity and 58.1% specificity for detecting dysfunction lasting at least 7 days.
- Failure rates were 62% for the retrograde method and 84% for the spontaneous method.
- Women failing both methods experienced significantly longer retention periods (12.6 days) compared to those failing only one (2.5 days).
Conclusions:
- The retrograde voiding trial method is more accurate in evaluating postoperative voiding dysfunction compared to the spontaneous method.
- Despite higher accuracy, both methods exhibited a low positive predictive value.
- The retrograde method was preferred by patients and offers an efficient alternative for clinical practice.
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