the Accuracy and Safety of Coronary Artery Contrast-enhanced Magnetic Resonance Imaging With Polysaccharide Superparamagnetic Iron Oxide Nanoparticle

Patients will receive contrast-enhanced cardiac magnetic resonance with polysaccharide superparamagnetic iron oxide nanoparticle before percutaneous coronary angiography.Patients received intravenous polysaccharide superparamagnetic iron oxide nanoparticle before magnetic resonance imaging.