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4D flow cardiovascular magnetic resonance consensus statement
Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Linköpings universitet, Centrum för medicinsk bildvetenskap och visualisering, CMIV.
University of Oxford, England.
Northwestern University, IL 60611 USA.
Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för kardiovaskulär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Hjärt- och Medicincentrum, Fysiologiska kliniken US. University of Calif San Francisco, CA USA.
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2015 (engelsk)Inngår i: Journal of Cardiovascular Magnetic Resonance, ISSN 1097-6647, E-ISSN 1532-429X, Vol. 17, nr 72Artikkel, forskningsoversikt (Fagfellevurdert) Published
Abstract [en]

Pulsatile blood flow through the cavities of the heart and great vessels is time-varying and multidirectional. Access to all regions, phases and directions of cardiovascular flows has formerly been limited. Four-dimensional (4D) flow cardiovascular magnetic resonance (CMR) has enabled more comprehensive access to such flows, with typical spatial resolution of 1.5x1.5x1.5 - 3x3x3 mm(3), typical temporal resolution of 30-40 ms, and acquisition times in the order of 5 to 25 min. This consensus paper is the work of physicists, physicians and biomedical engineers, active in the development and implementation of 4D Flow CMR, who have repeatedly met to share experience and ideas. The paper aims to assist understanding of acquisition and analysis methods, and their potential clinical applications with a focus on the heart and greater vessels. We describe that 4D Flow CMR can be clinically advantageous because placement of a single acquisition volume is straightforward and enables flow through any plane across it to be calculated retrospectively and with good accuracy. We also specify research and development goals that have yet to be satisfactorily achieved. Derived flow parameters, generally needing further development or validation for clinical use, include measurements of wall shear stress, pressure difference, turbulent kinetic energy, and intracardiac flow components. The dependence of measurement accuracy on acquisition parameters is considered, as are the uses of different visualization strategies for appropriate representation of time-varying multidirectional flow fields. Finally, we offer suggestions for more consistent, user-friendly implementation of 4D Flow CMR acquisition and data handling with a view to multicenter studies and more widespread adoption of the approach in routine clinical investigations.

sted, utgiver, år, opplag, sider
BioMed Central / Informa Healthcare , 2015. Vol. 17, nr 72
Emneord [en]
4D Flow CMR; 4D Flow MRI; Phase-contrast magnetic resonance imaging; MR flow imaging; Hemodynamics; Flow visualization; Flow quantification; Recommendations; Clinical; Cardiovascular
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Identifikatorer
URN: urn:nbn:se:liu:diva-120859DOI: 10.1186/s12968-015-0174-5ISI: 000359155900001PubMedID: 26257141OAI: oai:DiVA.org:liu-120859DiVA, id: diva2:849451
Merknad

Funding Agencies|Swedish Research Council; Medical Research Council of Southeast Sweden; Linkoping University; British Heart Foundation Centre of Research Excellence; Oxford NIHR Biomedical Research Centre; NIH [K25HL119608]; Swedish Heart and Lung Foundation; European Research Council [HEART4FLOW, 310612]; Radiological Society of North America (RSNA); NIHR Cardiovascular Biomedical Research Unit at the Royal Brompton and Harefield NHS Foundation Trust; Imperial College London; National Institutes of Health (NIH) National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) [R01 R01DK096169]; National Institute of Health (NIH) National Heart, Lung, and Blood Institute (NHLBI) [R01HL115828]

Tilgjengelig fra: 2015-08-28 Laget: 2015-08-28 Sist oppdatert: 2017-12-04

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