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Radiology, Vol 183, 487-492, Copyright © 1992 by Radiological Society of North America

ARTICLES

Pressure-gated acquisition of cardiac MR images

JS Pirolo, BH Branham, LL Creswell, WH Perman, MW Vannier and MK Pasque
Department of Surgery, Barnes Hospital, St Louis, MO 63110.

Electrocardiographically gated magnetic resonance (MR) image acquisition is not optimal for the quantification of in vivo cardiac deformation, because of the cycle-length dependence of cardiac mechanical events. The authors developed a method for acquisition of cardiac MR images gated to the first derivative of left-ventricular- developed pressure and used the method in a canine model. Application of this method may improve myocardial stress-strain analyses.


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M. J. Moulton, S. W. Downing, L. L. Creswell, D. S. Fishman, D. M. Amsterdam, B. A. Szabo, J. L. Cox, and M. K. Pasque
Mechanical Dysfunction in the Border Zone of an Ovine Model of Left Ventricular Aneurysm
Ann. Thorac. Surg., October 1, 1995; 60(4): 986 - 997.
[Abstract] [Full Text]


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