| Flow-sensitive four-dimensional cine magnetic resonance imaging for offline blood flow quantification in multiple vessels: a validation study. | |
| | |
MedLine Citation:
|
PMID: 20815066 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
PURPOSE: To further validate the quantitative use of flow-sensitive four-dimensional velocity encoded cine magnetic resonance imaging (4D VEC MRI) for simultaneously acquired venous and arterial blood flow in healthy volunteers and for abnormal flow in patients with congenital heart disease. MATERIALS AND METHODS: Stroke volumes (SV) obtained in arterial and venous thoracic vessels were compared between standard two-dimensional (2D), 4D VEC MRI with and without respiratory navigator gating (gated/nongated) in volunteers (n = 7). In addition, SV and regurgitation fractions (RF) measured in aorta or pulmonary trunk of patients with malformed and/or insufficient valves (n = 10) were compared between 2D and nongated 4D VEC MRI methods. RESULTS: In volunteers and patients, Bland-Altman tests showed excellent agreement between 2D, gated, and nongated 4D VEC MRI obtained quantitative blood flow measurements. The bias between 2D and gated 4D VEC MRI was <0.5 mL for SV; between 2D and nongated 4D VEC MRI the bias was <0.7 mL for SV and <1% for RF. CONCLUSION: Blood flow can be quantified accurately in arterial, venous, and pathological flow conditions using 4D VEC MRI. Nongated 4D VEC MRI has the potential to be suited for clinical use in patients with congenital heart disease who require flow acquisitions in multiple vessels. |
| | |
Authors:
|
Sarah Nordmeyer; Eugénie Riesenkampff; Gérard Crelier; Alireza Khasheei; Bernhard Schnackenburg; Felix Berger; Titus Kuehne |
Related Documents
:
|
10332856 - Particle trace visualization of intracardiac flow using time-resolved 3d phase contrast... 17180136 - Arterial versus total blood volume changes during neural activity-induced cerebral bloo... 11931436 - Flow and diffusion measurements in natural porous media using magnetic resonance imaging. 6530936 - Spatial or flow velocity phase encoding gradients in nmr imaging. 16533276 - End-to-end electronic control of the hospital transfusion process to increase the safet... 9160366 - Coagulopathic-induced membrane dysfunction during extracorporeal membrane oxygenation: ... |
Publication Detail:
|
Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Validation Studies |
Journal Detail:
|
Title: Journal of magnetic resonance imaging : JMRI Volume: 32 ISSN: 1522-2586 ISO Abbreviation: J Magn Reson Imaging Publication Date: 2010 Sep |
Date Detail:
|
Created Date: 2010-09-03 Completed Date: 2011-01-10 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 9105850 Medline TA: J Magn Reson Imaging Country: United States |
Other Details:
|
Languages: eng Pagination: 677-83 Citation Subset: IM |
Affiliation:
|
Deutsches Herzzentrum Berlin, Unit of Cardiovascular Imaging, Department of Congenital Heart Disease and Paediatric Cardiology, Berlin, Germany. snordmeyer@dhzb.de |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Adolescent Adult Analysis of Variance Blood Flow Velocity Case-Control Studies Coronary Circulation / physiology Female Heart Defects, Congenital / diagnosis* Humans Image Enhancement / methods* Magnetic Resonance Imaging, Cine / methods* Male Pulmonary Artery / physiology Pulmonary Veins / physiology Reference Values Statistics, Nonparametric Stroke Volume* Vena Cava, Superior / physiology Young Adult |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Susceptibility mapping as a means to visualize veins and quantify oxygen saturation.
Next Document: Pyrolytic graphite foam: a passive magnetic susceptibility matching material.