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Abstract #3875

High Resolution Non Contrast-Enhanced MRA of the Hand and Forearm Arteries Using ECG-Triggered Quiescent-Interval Single-Shot (QISS) Technique

Ning Jin1, Christopher Glielmi1, Xiaoming Bi1, Georgeta Mihai2, Eugene Dunkle3, Robert R. Edelman3, Sven Zuehlsdorff1, Orlando P. Simonetti2, Sanjay Rajagopalan2

1Cardiovascular R&D, Siemens Healthcare, Chicago, IL, United States; 2Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, United States; 3Department of Radiology, NorthShore University Health System, Evanston, IL, United States

MRA of the forearms and hands is particularly challenging. There is a renewed interest in non contrast-enhanced (NCE) MRA techniques given the concerns of nephrogenic systemic fibrosis in patients with chronic kidney disease. Recently, QISS MRA technique has been implemented for imaging of the lower extremities and demonstrated to be rapid, easy to use, and insensitive to patient motion, heart rate and flow patterns. The purpose of this study was to investigate the feasibility of high resolution NCE-MRA of the hand and forearm arteries using the QISS technique.

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Keywords

acquisition agent agents angiography approaches arch arterial arteries artery artifacts background bandwidth beats cardiac cardiovascular challenging channel chronic circulation clinical coil collectively common comparing completed compounded compromise concerns contrast coverage covering delay diagnostic dial diastolic digitals disease distal easy effective enhanced entire establish established evaluating examples extremities extremity face fast feasibility females fibrosis flight flow forearm forearms free future gadolinium hand hands head health heart implemented in vivo insensitive institute interpolated interval invest investigate iodinated kidney lateral limitations limited long lung maintaining males matrix modified motion near neck need obviating overlap owing particularly patient patients patterns performance pixel position precession preliminary prepared problematic process proper protocol quiescent radial radiology rapid recently related renewed reported representative require requirements resolution saturation scanner segmented sensitive sets shot slice slices slow space spatial spin steady studies subjects successfully suitable suppression system systemic systolic tailor transit transplant triggered trio ulnar uniform upper utility variable venous vessels visualized volunteers