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The 20 year evolution of dobutamine stress cardiovascular magnetic resonance.

Charoenpanichkit C, Hundley WG - J Cardiovasc Magn Reson (2010)

Bottom Line: Over the past 20 years, investigators world-wide have developed and utilized dobutamine magnetic resonance stress testing procedures for the purpose of identifying ischemia, viability, and cardiac prognosis.This article traces these developments and reviews the data utilized to substantiate this relatively new noninvasive imaging procedure.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Internal Medicine Section on Cardiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA.

ABSTRACT
Over the past 20 years, investigators world-wide have developed and utilized dobutamine magnetic resonance stress testing procedures for the purpose of identifying ischemia, viability, and cardiac prognosis. This article traces these developments and reviews the data utilized to substantiate this relatively new noninvasive imaging procedure.

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Related in: MedlinePlus

Case example of contractile reserve supplementary delayed enhancement imaging for the purpose of identifying myocardial viability. In the left panel, white arrows demarcate extensive delayed enhancement suggesting indicating marked fibrosis. The red arrow, however, denotes a region with < 50% delayed enhancement. The red arrows in the right panels (top = rest and bottom = stress) demarcate no improvement in end-systolic wall thickness with low-dose dobutamine stress. This finding suggests this segment will not improve wall thickening after coronary arterial revascularization.
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Figure 7: Case example of contractile reserve supplementary delayed enhancement imaging for the purpose of identifying myocardial viability. In the left panel, white arrows demarcate extensive delayed enhancement suggesting indicating marked fibrosis. The red arrow, however, denotes a region with < 50% delayed enhancement. The red arrows in the right panels (top = rest and bottom = stress) demarcate no improvement in end-systolic wall thickness with low-dose dobutamine stress. This finding suggests this segment will not improve wall thickening after coronary arterial revascularization.

Mentions: A major strength of CMR in general relates to the flexibility of the technology such that CMR functional measures of contractile reserve can be acquired with LGE (infarct detection) in a single comprehensive exam (Figure 7). The complementary nature of these modalities may lead to improved detection of myocardial viability. As shown by Kramer, et al.[75] in a group of patients with reperfused MI, using this combined technology, these investigators visualized infarcted or scarred myocardium and simultaneously assessed contractile reserve in residual myocardium.


The 20 year evolution of dobutamine stress cardiovascular magnetic resonance.

Charoenpanichkit C, Hundley WG - J Cardiovasc Magn Reson (2010)

Case example of contractile reserve supplementary delayed enhancement imaging for the purpose of identifying myocardial viability. In the left panel, white arrows demarcate extensive delayed enhancement suggesting indicating marked fibrosis. The red arrow, however, denotes a region with < 50% delayed enhancement. The red arrows in the right panels (top = rest and bottom = stress) demarcate no improvement in end-systolic wall thickness with low-dose dobutamine stress. This finding suggests this segment will not improve wall thickening after coronary arterial revascularization.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2984575&req=5

Figure 7: Case example of contractile reserve supplementary delayed enhancement imaging for the purpose of identifying myocardial viability. In the left panel, white arrows demarcate extensive delayed enhancement suggesting indicating marked fibrosis. The red arrow, however, denotes a region with < 50% delayed enhancement. The red arrows in the right panels (top = rest and bottom = stress) demarcate no improvement in end-systolic wall thickness with low-dose dobutamine stress. This finding suggests this segment will not improve wall thickening after coronary arterial revascularization.
Mentions: A major strength of CMR in general relates to the flexibility of the technology such that CMR functional measures of contractile reserve can be acquired with LGE (infarct detection) in a single comprehensive exam (Figure 7). The complementary nature of these modalities may lead to improved detection of myocardial viability. As shown by Kramer, et al.[75] in a group of patients with reperfused MI, using this combined technology, these investigators visualized infarcted or scarred myocardium and simultaneously assessed contractile reserve in residual myocardium.

Bottom Line: Over the past 20 years, investigators world-wide have developed and utilized dobutamine magnetic resonance stress testing procedures for the purpose of identifying ischemia, viability, and cardiac prognosis.This article traces these developments and reviews the data utilized to substantiate this relatively new noninvasive imaging procedure.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Internal Medicine Section on Cardiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA.

ABSTRACT
Over the past 20 years, investigators world-wide have developed and utilized dobutamine magnetic resonance stress testing procedures for the purpose of identifying ischemia, viability, and cardiac prognosis. This article traces these developments and reviews the data utilized to substantiate this relatively new noninvasive imaging procedure.

Show MeSH
Related in: MedlinePlus