Comprehensive Evaluation of Ischemic Heart Disease Using MRI

Status Completed

Clinical Trial Summary

The purpose of the study is to assess the diagnostic performance of fully automated motion corrected (MC) first pass myocardial perfusion MRI, compared to the original non-corrected first pass myocardial perfusion images in a cohort of patients with suspected ischemic heart disease, using coronary angiography as the reference standard. It is expected that this improved comprehensive protocol for cardiac MRI be accurate at detecting significant coronary artery disease and may obviate the need for other more expensive and invasive diagnostic tests currently used.

Clinical Trial Description

Coronary heart disease is the leading cause of death and disability in the US, accounting for about one-third of all deaths in subjects over age 35.

With the development of newer Magnetic Resonance Imaging (MRI) techniques, such as faster pulse sequences and parallel imaging, cardiac MRI has become a routine tool for the evaluation and detection of myocardial ischemic disease. First pass myocardial perfusion (FPMP) using MRI is increasingly being used to assess ischemic heart disease. MRI offers the advantages of spatial resolution sufficient to differentiate between subendocardial and subepicardial perfusion; shorter examination time and also lack of ionizing radiation. Left ventricle cine gradient echo imaging can be used to assess regional ventricular function. Left ventricular myocardial viability can also be easily assessed at the same time in order to determine the amount of viable left ventricular myocardium and the percentage of irreversibly scarred myocardium by delayed enhanced images. Viability imaging is usually added to the perfusion protocol to increase specificity by allowing detection of fixed perfusion defects, which represent scar. The ultimate cardiac MRI protocol would be to combine both of these imaging strategies with a reliable and accurate coronary Magnetic Resonance Angiography(MRA) technique, such that obstructive coronary artery disease could be evaluated comprehensively at the same time. If all of these techniques can be combined together in a single study, it may be feasible to finally achieve a "one stop shop" for cardiac Magnetic Resonance Imaging. ;

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01234870
Study type	Interventional
Source	Northwestern University
Contact
Status	Completed
Phase	Phase 2/Phase 3
Start date	June 2010
Completion date	January 2012

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