Cedars-Sinai Medical Center
This study proposes to develop an MRI technique named Coronary Atherosclerosis T1-weighed Characterization (CATCH) that will improve the quality and reliability of coronary atherosclerosis evaluation, as well as simplify the scanning process and significantly shorten imaging time compared with conventional imaging methods.
Approximately 110 healthy male/female adult "normals" or "controls" and 40 male/female adult outpatients who are suspected of having or have been diagnosed with coronary artery disease will be recruited. All subjects will be asked to undergo either a non-contrast MRI or a contrast-enhanced MRI of the coronary artery depending upon the focus of development at the time of their participation It is anticipated that healthy volunteers will undergo non-contrast or contrast-enhanced MRI for evaluating the image quality associated with each acquisition module of the developed technique and motion ar…
Inclusion: * Healthy Volunteers: male or female ≥ 18 years of age with a BMI\<30, with no history of cardiovascular disease * Patients: Medically stable, male or female ≥ 18 years of age who is have not suspected of having or has been diagnosed with coronary artery disease and undergone stenting or bypass surgery Exclusion: * Contraindications to MR imaging including mechanically, magnetically, or electrically activated implants, ferromagnetic implants and ferromagnetic foreign bodies, pregnancy. * Inability to tolerate MR imaging secondary to an inability to hold breath for a short time or…
MRI with/without administration of a contrast agent and beta-blocker based upon the stage of method development, if no contraindications are present.
The intravenous gadolinium based contrast agent to be used in this study is Gadavist (up to 0.2 mmol/kg).
Based upon the focus of the study at the time of the scan, a beta- blocker (metoprolol), in pill form based upon blood pressure and heart rate, may be administered to some subjects to improve the heart's ability to relax and slow the heart rate. The slower heart rate may improve image quality and lessen motion artifact.
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