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PRESSURE MEASUREMENT TECHNIQUES IN URODYNAMIC INVESTIGATIONS
Linköping University, Department of Biomedical Engineering, Physiological Measurements. Linköping University, The Institute of Technology.
1990 (English)In: Neurourology and Urodynamics, ISSN 0733-2467, E-ISSN 1520-6777, Vol. 9, no 1, 1-15 p.Article in journal (Refereed) Published
Abstract [en]

It is apparent that the use of accurate pressure measurement techniques is essential for the outcome of urodynamic investigations. The aim of this paper is to estimate the demands on urodynamic pressure measurements and to review the properties of various techniques used. For the infused catheter technique, the dynamic properties are very much dependent on the complicance of the infusion system. With optimal infusion, the bandwidth and the pressure rise rate seem to be sufficient for most applications. Intraluminal microtransducers have a high bandwidth, but a certain fiber optic transducer cannot accurately measure mechanical pressure in the collapsed urethra. The principal differences in measuring hydrostatic pressure between the infused catheter technique and microtransducers should be observed. Flexion artefacts are a problem when measuring urethral pressure profiles. Newly developed transducers may offer a solution to this problem.

Place, publisher, year, edition, pages
1990. Vol. 9, no 1, 1-15 p.
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:liu:diva-117007DOI: 10.1002/nau.1930090102OAI: oai:DiVA.org:liu-117007DiVA: diva2:801953
Available from: 2015-04-10 Created: 2015-04-10 Last updated: 2017-12-04

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