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Flow Assessment Through Four Heart Valves Simultaneously Using 3-Dimensional 3-Directional Velocity-Encoded Magnetic Resonance Imaging With Retrospective Valve Tracking in Healthy Volunteers and Patients With Valvular Regurgitation

Flow Assessment Through Four Heart Valves Simultaneously Using 3-Dimensional 3-Directional... ORIGINAL ARTICLE Flow Assessment Through Four Heart Valves Simultaneously Using 3-Dimensional 3-Directional Velocity-Encoded Magnetic Resonance Imaging With Retrospective Valve Tracking in Healthy Volunteers and Patients With Valvular Regurgitation Stijntje D. Roes, MD,* Sebastiaan Hammer, PhD, MD,*† Rob J. van der Geest, MSc,* Nina Ajmone Marsan, MD,‡ Jeroen J. Bax, PhD, MD,‡ Hildo J. Lamb, PhD, MD,* Johan H. C. Reiber, PhD,* Albert de Roos, PhD, MD,* and Jos J. M. Westenberg, PhD* 1–5 or nonischemic dilated cardiomyopathy. Volume overload be- Objectives: To validate 3-dimensional (3D) 3-directional velocity- cause of valvular regurgitation may cause (or aggravate) ventricular encoded (VE) magnetic resonance imaging (MRI) for flow assessment 1,6 remodeling which can ultimately result in heart failure and death. through all 4 heart valves simultaneously with retrospective valve- Surgical repair or replacement of the regurgitant valve may reduce tracking during off-line analysis in healthy volunteers and in patients with 6,7 heart failure symptoms and improve survival. Accordingly, quan- valvular regurgitation. titative assessment of valvular regurgitation is important for evalu- Material and Methods: Three-dimensional 3-directional VE MRI was ation of disease progression, optimization of treatment, and timing performed in 22 healthy volunteers and in 29 patients with ischemic cardio- 1,7 of surgical intervention. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Investigative Radiology Wolters Kluwer Health

Flow Assessment Through Four Heart Valves Simultaneously Using 3-Dimensional 3-Directional Velocity-Encoded Magnetic Resonance Imaging With Retrospective Valve Tracking in Healthy Volunteers and Patients With Valvular Regurgitation

Westenberg, Jos J. M.
Investigative Radiology , Volume 44 (10) – Oct 1, 2009
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References (31)

ISSN
0020-9996
eISSN
1536-0210
DOI
10.1097/RLI.0b013e3181ae99b5
pmid
19724233
Publisher site
See Article on Publisher Site

Abstract

ORIGINAL ARTICLE Flow Assessment Through Four Heart Valves Simultaneously Using 3-Dimensional 3-Directional Velocity-Encoded Magnetic Resonance Imaging With Retrospective Valve Tracking in Healthy Volunteers and Patients With Valvular Regurgitation Stijntje D. Roes, MD,* Sebastiaan Hammer, PhD, MD,*† Rob J. van der Geest, MSc,* Nina Ajmone Marsan, MD,‡ Jeroen J. Bax, PhD, MD,‡ Hildo J. Lamb, PhD, MD,* Johan H. C. Reiber, PhD,* Albert de Roos, PhD, MD,* and Jos J. M. Westenberg, PhD* 1–5 or nonischemic dilated cardiomyopathy. Volume overload be- Objectives: To validate 3-dimensional (3D) 3-directional velocity- cause of valvular regurgitation may cause (or aggravate) ventricular encoded (VE) magnetic resonance imaging (MRI) for flow assessment 1,6 remodeling which can ultimately result in heart failure and death. through all 4 heart valves simultaneously with retrospective valve- Surgical repair or replacement of the regurgitant valve may reduce tracking during off-line analysis in healthy volunteers and in patients with 6,7 heart failure symptoms and improve survival. Accordingly, quan- valvular regurgitation. titative assessment of valvular regurgitation is important for evalu- Material and Methods: Three-dimensional 3-directional VE MRI was ation of disease progression, optimization of treatment, and timing performed in 22 healthy volunteers and in 29 patients with ischemic cardio- 1,7 of surgical intervention.

Journal

Investigative Radiology – Wolters Kluwer Health

Published: Oct 1, 2009

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