Detrusor underactivity: a plea for new approaches to a common bladder dysfunction.

Abstract:

AIMS:Detrusor underactivity (DU) is defined by the International Continence Society as a contraction of reduced strength and/or duration resulting in prolonged or incomplete emptying of the bladder but has yet received only little attention. The purpose of this report is to summarize the ICI-RS meeting in Bristol in 2010 exploring current knowledge on DU and outline directions for future research. METHODS:A think tank discussion was held and the summary of discussions was presented to all ICI-RS participants. This report is based on the final discussions. RESULTS:The understanding of the pathophysiology, epidemiology, assessment, and treatment of DU remains rudimentary. DU is defined by pressure-flow analysis but no consensus exists regarding which of the available formulae should be used for quantification of detrusor work. DU is likely to be multifactorial. Aging causes a decay in detrusor activity but other concomitant causes, either myogenic or neurogenic, may aggravate the problem resulting in decrease of detrusor contractility. No effective pharmacotherapy for the condition exists. Only a few surgical therapeutic strategies have been explored, such as neuromodulation and skeletal muscle myoplasties. Consequently, the management of affected individuals remains unsatisfactory. CONCLUSIONS:Future directions recommended by the ICI-RS panel include assessment of pathogenesis by developing novel animal models in addition to new non-invasive tests allowing longitudinal trials. Furthermore, optimizing the existing evaluation algorithms to support standard testing for DU and further epidemiological studies to quantify the size of the problem are required for the development of future treatment modalities.

journal_name

Neurourol Urodyn

authors

van Koeveringe GA,Vahabi B,Andersson KE,Kirschner-Herrmans R,Oelke M

doi

10.1002/nau.21097

subject

Has Abstract

pub_date

2011-06-01 00:00:00

pages

723-8

issue

5

eissn

0733-2467

issn

1520-6777

journal_volume

30

pub_type

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