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Validity of a non-invasive determination of the isovolumetric bladder pressure during voiding in men with LUTS by E.D. Gommer; Th.J.A. Vanspauwen; M. Miklosi; J.G. Wen; M.V. Kinder; R.A. Janknegt; E.S.C. van Waalwijk van Doorn is a Medicine article available to read on EtoBox.

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Invasive pressure flow analysis is the gold standard for discriminating between hypocontractile bladder muscle function and infravesical obstruction in male patients with lower urinary tract symptoms. Here a non-invasive method to determine the isovolumetric bladder pressure to judge contractility is presented. This is based on interruption of urine flow by sudden occlusion of a specially fixed condom catheter. The pressure inside the condom is recorded and used to estimate the isovolumetric bladder pressure. Combined with, for example, home uroflowmetry, this non-invasive method may overcome some of the disadvantages (e.g., invasiveness, cost) of the conventional pressure flow test. To determine the isovolumetric bladder pressure reliably with this non-invasive method, two constraints have to be met. First, the bladder neck and urethra have to remain open after occlusion of the condom catheter. This was tested combining the non-invasive test with radiography in five patients. Second, a steady state has to be reached, i.e., the flow in the urethra, due to the elastic properties of the biological and the condom systems, should come to a stop when the bladder pressure and the condom

Who reads Validity of a non-invasive determination of the isovolumetric bladder pressure during voiding in men with LUTS?

Author

E.D. Gommer; Th.J.A. Vanspauwen; M. Miklosi; J.G. Wen; M.V. Kinder; R.A. Janknegt; E.S.C. van Waalwijk van Doorn

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0733-2467)

Published

1999

Language

EN

Field

Medicine (Health Sciences)