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Quantification of heart valve regurgitation: a critical analysis from a theoretical and experimental point of view.
Linköping University, Department of Medicine and Care, Clinical Physiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Clinical Physiology in Linköping.
Linköping University, Department of Biomedical Engineering, Physiological Measurements. Linköping University, The Institute of Technology.
Linköping University, Department of Management and Engineering, Applied Thermodynamics and Fluid Mechanics. Linköping University, The Institute of Technology.
1985 (English)In: Clinical Physiology, ISSN 0144-5979, E-ISSN 1365-2281, Vol. 5, no 1, 81-88 p.Article in journal (Refereed) Published
Abstract [en]

A theoretical analysis is presented regarding factors of importance for the determination of distance of intrusion of the regurgitant jet in heart valve regurgitation. The analysis is based on hydrodynamic theory. In the idealized model situation, for a circular hole, the intrusion of the regurgitant jet is linearly related to the product of the fluid mean velocity in the orifice and the diameter of the orifice. This was also shown to be true in an experimental fluid model. Thus, volume regurgitation cannot be quantified by the measurement of distance of intrusion of the regurgitant jet alone. On the other hand, an estimate of volume regurgitation can, in the idealized situation, be obtained if mean fluid velocity in the orifice, distance of intrusion of the jet and regurgitation time are known.

Place, publisher, year, edition, pages
1985. Vol. 5, no 1, 81-88 p.
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:liu:diva-116879DOI: 10.1111/j.1475-097X.1985.tb00749.xPubMedID: 4038639OAI: oai:DiVA.org:liu-116879DiVA: diva2:801218
Available from: 2015-04-08 Created: 2015-04-08 Last updated: 2017-12-04

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Wranne, BengtAsk, PerLoyd, Dan

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Clinical PhysiologyFaculty of Health SciencesDepartment of Clinical Physiology in LinköpingPhysiological MeasurementsThe Institute of TechnologyApplied Thermodynamics and Fluid Mechanics
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