Magnetic Resonance Imaging Clinical Trial
Official title:
Dotarem Evaluation for Myocardial Perfusion CMR
The overall goal of this study is to investigate the signal intensity and relaxation rate characteristics of gadoterate meglumine (Dotarem, Guerbet, USA) enhanced myocardium during rest and stress perfusion cardiovascular magnetic resonance (CMR) compared to gadobutrol (Gadavist) to prove that Dotarem provides constantly high myocardial relaxation necessary for accurate quantitative perfusion evaluation. The purpose of this study is to compare two types of contrast that patients receive during cardiac MRI scans to visualize the blood flow in the cardiac muscle. Both contrasts are used in standard of care procedures, and the one administered for each patient will be randomly selected. The length of the MRI study all procedures are the same as the clinically indicated scan.
The overall goal of this study is to investigate the signal intensity and relaxation rate characteristics of gadoterate meglumine (Dotarem, Guerbet, USA) enhanced myocardium during rest and stress perfusion cardiovascular magnetic resonance (CMR) compared to gadobutrol (Gadavist) to prove that Dotarem provides constantly high myocardial relaxation necessary for accurate quantitative perfusion evaluation. Within this overall goal, the following specific aims will be pursued: - Aim 1: To test the hypothesis that the signal intensity enhancement during Dotarem myocardial stress/rest perfusion is relatively constant, providing linear and stable enhancement in the myocardium, and is not inferior compared to gadobutrol (Gadavist). - Aim 2: To test the hypothesis that the relaxation rate enhancement during Dotarem myocardial rest perfusion is uniform in the myocardium. ;
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