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Estimation of relat...
Estimation of relative cardiovascular pressures using time-resolved three-dimensional phase contrast MRI
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- Ebbers, Tino, 1972- (författare)
- Linköpings universitet,Institutionen för medicinsk teknik,Tekniska högskolan
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- Wigström, Lars, 1967- (författare)
- Linköpings universitet,Institutionen för medicinsk teknik,Klinisk fysiologi,Hälsouniversitetet
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- Bolger, Ann (författare)
- Department of Medicine, University of California−San Francisco, San Francisco, CA
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- Engvall, Jan, 1953- (författare)
- Linköpings universitet,Klinisk fysiologi,Hälsouniversitetet
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- Karlsson, Matts, 1965- (författare)
- Linköpings universitet,Institutionen för medicinsk teknik,Tekniska högskolan
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(creator_code:org_t)
- 2001-04-16
- 2001
- Engelska.
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Ingår i: Magnetic Resonance in Medicine. - : Wiley. - 0740-3194 .- 1522-2594. ; 45:5, s. 872-879
- Relaterad länk:
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https://onlinelibrar...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Accurate, easy-to-use, noninvasive cardiovascular pressure registration would be an important addition to the diagnostic armamentarium for assessment of cardiac function. A novel noninvasive and three-dimensional (3D) technique for estimation of relative cardiovascular pressures is presented. The relative pressure is calculated using the Navier-Stokes equations along user-defined lines placed within a time-resolved 3D phase contrast MRI dataset. The lines may be either straight or curved to follow an actual streamline. The technique is validated in an in vitro model and tested on in vivo cases of normal and abnormal transmitral pressure differences and intraaortic flow. The method supplements an intuitive visualization technique for cardiovascular flow, 3D particle trace visualization, with a quantifiable diagnostic parameter estimated from the same dataset.
Nyckelord
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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