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World Journal of Urology

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Open Access 01-11-2015 | Original Article

The value of urodynamic tools to guide patient selection in sacral neuromodulation

Authors: Jamie Drossaerts, Kevin Rademakers, Gommert van Koeveringe, Philip Van Kerrebroeck

Published in: World Journal of Urology | Issue 11/2015

Abstract

Purpose

The aim of this study is to explore whether urodynamics, with the addition of ambulatory urodynamic study (ambulatory-UDS), will be able to better predict and assess sacral neuromodulation (SNM) treatment outcome. Selection of patients is a critical element in achieving optimal outcome in SNM. Quantitative and qualitative results of urodynamic tests are used to justify surgical therapy and to evaluate treatment for lower urinary tract dysfunction. Therefore, these tests should be representative and subsequently offer a correct prognosis.

Methods

Between December 2002 until May 2013 selected patients with lower urinary tract symptoms (storage and/or voiding dysfunction) were included in an ambulatory urodynamic measurement database. From this database, the total subgroup of patients that underwent a sacral neuromodulation test evaluation was selected.

Results

A total of 98 patients were included. Success rate of SNM in patients with storage dysfunction was around 70 %, according to either conventional-UDS or ambulatory-UDS diagnosis. Based on conventional-UDS, success rate of SNM in patients with hypocontractility was 67 % and in acontractile patients 35 %. According to ambulatory-UDS diagnosis, success rates were 32 and 17 %, respectively.

Conclusions

This study shows that conventional-UDS overestimates the amount of patients diagnosed with hypocontractile or acontractile bladder. Patients with reduced contractility on ambulatory-UDS have a lower chance of SNM success. Hence, ambulatory-UDS allows us to select patients with a real acontractile bladder and predict SNM failure. In patients with storage dysfunction, additional ambulatory-UDS does not seem to contribute in predicting SNM outcome.

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Title: The value of urodynamic tools to guide patient selection in sacral neuromodulation
Authors: Jamie Drossaerts
Kevin Rademakers
Gommert van Koeveringe
Philip Van Kerrebroeck
Publication date: 01-11-2015
Publisher: Springer Berlin Heidelberg
Published in: World Journal of Urology / Issue 11/2015
Print ISSN: 0724-4983
Electronic ISSN: 1433-8726
DOI: https://doi.org/10.1007/s00345-015-1479-6

2024 ASCO Annual Meeting

Springer Medicine

The value of urodynamic tools to guide patient selection in sacral neuromodulation

Abstract

Purpose

Methods

Results

Conclusions

2024 ASCO Annual Meeting

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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