DOBUTAMINE MAGNETIC  RESONANCE IMAGING PREDICTS  CONTRACTILE RESERVE OF  CHRONICALLY DYSFUNCTIONAL  MYOCARDIUM: COMPARISON WITH    FLUORINE-18 FLUORODEOXYGLUCOSE  POSITRON EMISSION TOMOGRAPHY

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DOBUTAMINE MAGNETIC RESONANCE IMAGING PREDICTS CONTRACTILE RESERVE OF CHRONICALLY DYSFUNCTIONAL MYOCARDIUM: COMPARISON WITH FLUORINE-18 FLUORODEOXYGLUCOSE POSITRON EMISSION TOMOGRAPHY

Chinese Medical Sciences Journal Vol. 0, Issue 1, Pages: 29-34(2000)

Updated：2024-04-10

- DOBUTAMINE MAGNETIC RESONANCE IMAGING PREDICTS CONTRACTILE RESERVE OF CHRONICALLY DYSFUNCTIONAL MYOCARDIUM: COMPARISON WITH FLUORINE-18 FLUORODEOXYGLUCOSE POSITRON EMISSION TOMOGRAPHY
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  CLC： R817.42
- Published：2000
- Accepted：
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DOBUTAMINE MAGNETIC RESONANCE IMAGING PREDICTS CONTRACTILE RESERVE OF CHRONICALLY DYSFUNCTIONAL MYOCARDIUM: COMPARISON WITH FLUORINE-18 FLUORODEOXYGLUCOSE POSITRON EMISSION TOMOGRAPHY[J]. Chinese medical sciences journal, 2000, 0(1): 29-34.
DOI：

DOBUTAMINE MAGNETIC RESONANCE IMAGING PREDICTS CONTRACTILE RESERVE OF CHRONICALLY DYSFUNCTIONAL MYOCARDIUM: COMPARISON WITH FLUORINE-18 FLUORODEOXYGLUCOSE POSITRON EMISSION TOMOGRAPHY[J]. Chinese medical sciences journal, 2000, 0(1): 29-34. DOI：

摘要

Abstract

This study sought to investigate whether low dose dobutamine MRI can detect residual myocardial viability in patients with chronic myocardial infarction and left ventricular dysfunction. Methods. Eleven patients with chronic myocardial infarction and left ventricular dysfunction were employed for identification of viable myocardium by cine MRI during dobutamine infusion. All patients underwent coronary angiography and left ventriculography

18 FDG PET

MRI at rest and stress.The systolic wall thickening measured at rest and during stress was compared with the results of 18 FDG PET

respectively. Results. A significant difference of either dobutamine induced systolic wall thickening （SWth stress ） or dobutamine induced contractile reserve （ΔSWth= SWth stress - SWth rest ） was present between viable and scar regions （1 0±0 3 versus -0 3 ±0 1

P<0 01; 1 0±0 3 versus -0 2±0 2

P<0 01）. Conclusions. Dobutamine induced contractile reserve can be predicted in the regions of akinesia or dyskinesia at rest when systolic wall thickening was 1 0 mm during dobutamine stimulation.

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