Novel Uroflow Stop Test at Time of Catheter Removal is a Strong Predictor of Early Urinary Continence Recovery Following Robotic-assisted Radical Prostatectomy
CUA Online Library. Al-Hathal N. 06/24/13; 31283; MP-04.11
Disclosure(s): None
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Abstract
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Objective: To study whether the ability to completely stop urinary flow during voiding at time of catheter removal, measured objectively using uroflometry, can predict early recovery of urine continence following robotic-assisted radical prostatectomy (RARP)
Materials and Methods: In this prospective study, 108 patients with a minimum of 2 years follow-up, operated by a single surgeon (AEH) were subjected to an uroflowmetry at the time of urethral catheter removal following RARP. Normal Saline (150 ml) was instilled intravesically prior to catheter removal and patients were instructed to stop urine flow during voiding. Two groups were studied, group one with positive Stop Test (n=80) and group two with negative Stop Test (n=28). Demographic, clinical and postoperative data were collected and analyzed. Primary end-point was urinary continence defined as 0-pad use up to 6 months postop.
Results: Basic characteristics were not statistically different between both groups. Early continence recovery was significantly higher in group one. Pad-free continence rates in group one and two at 1, 3, 6, 12, 18 and 24 months were 62% vs 7% (p<0.001), 85.7% vs 28.5% (p<0.001), 93.5% vs 67.8% (p 0.001), 93.5% vs 82.1% (p 0.079), 97.3% vs 82.1% (p 0.006), and 97.4% vs 85.7% (p 0.023), respectively. Uroflow StopTest was the only independent predictor of early urine continence recovery on univariate and multivariate regression analysis [OR 2.87 (95%CI 1.34-4.38, p=<0.001)].
Conclusion: Novel use of uroflowmetry at time of urethral catheter removal is a simple, non-invasive study with independent ability to predict early continence recovery following RARP.
Materials and Methods: In this prospective study, 108 patients with a minimum of 2 years follow-up, operated by a single surgeon (AEH) were subjected to an uroflowmetry at the time of urethral catheter removal following RARP. Normal Saline (150 ml) was instilled intravesically prior to catheter removal and patients were instructed to stop urine flow during voiding. Two groups were studied, group one with positive Stop Test (n=80) and group two with negative Stop Test (n=28). Demographic, clinical and postoperative data were collected and analyzed. Primary end-point was urinary continence defined as 0-pad use up to 6 months postop.
Results: Basic characteristics were not statistically different between both groups. Early continence recovery was significantly higher in group one. Pad-free continence rates in group one and two at 1, 3, 6, 12, 18 and 24 months were 62% vs 7% (p<0.001), 85.7% vs 28.5% (p<0.001), 93.5% vs 67.8% (p 0.001), 93.5% vs 82.1% (p 0.079), 97.3% vs 82.1% (p 0.006), and 97.4% vs 85.7% (p 0.023), respectively. Uroflow StopTest was the only independent predictor of early urine continence recovery on univariate and multivariate regression analysis [OR 2.87 (95%CI 1.34-4.38, p=<0.001)].
Conclusion: Novel use of uroflowmetry at time of urethral catheter removal is a simple, non-invasive study with independent ability to predict early continence recovery following RARP.
Objective: To study whether the ability to completely stop urinary flow during voiding at time of catheter removal, measured objectively using uroflometry, can predict early recovery of urine continence following robotic-assisted radical prostatectomy (RARP)
Materials and Methods: In this prospective study, 108 patients with a minimum of 2 years follow-up, operated by a single surgeon (AEH) were subjected to an uroflowmetry at the time of urethral catheter removal following RARP. Normal Saline (150 ml) was instilled intravesically prior to catheter removal and patients were instructed to stop urine flow during voiding. Two groups were studied, group one with positive Stop Test (n=80) and group two with negative Stop Test (n=28). Demographic, clinical and postoperative data were collected and analyzed. Primary end-point was urinary continence defined as 0-pad use up to 6 months postop.
Results: Basic characteristics were not statistically different between both groups. Early continence recovery was significantly higher in group one. Pad-free continence rates in group one and two at 1, 3, 6, 12, 18 and 24 months were 62% vs 7% (p<0.001), 85.7% vs 28.5% (p<0.001), 93.5% vs 67.8% (p 0.001), 93.5% vs 82.1% (p 0.079), 97.3% vs 82.1% (p 0.006), and 97.4% vs 85.7% (p 0.023), respectively. Uroflow StopTest was the only independent predictor of early urine continence recovery on univariate and multivariate regression analysis [OR 2.87 (95%CI 1.34-4.38, p=<0.001)].
Conclusion: Novel use of uroflowmetry at time of urethral catheter removal is a simple, non-invasive study with independent ability to predict early continence recovery following RARP.
Materials and Methods: In this prospective study, 108 patients with a minimum of 2 years follow-up, operated by a single surgeon (AEH) were subjected to an uroflowmetry at the time of urethral catheter removal following RARP. Normal Saline (150 ml) was instilled intravesically prior to catheter removal and patients were instructed to stop urine flow during voiding. Two groups were studied, group one with positive Stop Test (n=80) and group two with negative Stop Test (n=28). Demographic, clinical and postoperative data were collected and analyzed. Primary end-point was urinary continence defined as 0-pad use up to 6 months postop.
Results: Basic characteristics were not statistically different between both groups. Early continence recovery was significantly higher in group one. Pad-free continence rates in group one and two at 1, 3, 6, 12, 18 and 24 months were 62% vs 7% (p<0.001), 85.7% vs 28.5% (p<0.001), 93.5% vs 67.8% (p 0.001), 93.5% vs 82.1% (p 0.079), 97.3% vs 82.1% (p 0.006), and 97.4% vs 85.7% (p 0.023), respectively. Uroflow StopTest was the only independent predictor of early urine continence recovery on univariate and multivariate regression analysis [OR 2.87 (95%CI 1.34-4.38, p=<0.001)].
Conclusion: Novel use of uroflowmetry at time of urethral catheter removal is a simple, non-invasive study with independent ability to predict early continence recovery following RARP.
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