Abstract #3959

Myocardial energetics in patients with degenerative mitral regurgitation studied by 31P MRS

Limiao Jiang¹, Mary C Stephenson¹, John J Totman¹, Stephanie Marchesseau¹, Arthur Mark Richards², and Lieng H. Ling²

¹Clinical Imaging Research Center, A*STAR & National University of Singapore, Singapore, Singapore, ²Department of Medicine, Yong Loo Lin School of Medicine and Cardiovascular Research Institute, National University Health System, Singapore, Singapore

31P MRS can noninvasively reflect the in vivo energy metabolism without using ionizing radiation. It has been widely applied in the clinical studies of cardiac energetics under different pathophysiological conditions. The aim of the present study was to evaluate the myocardial energetics in 30 patients with moderate or severe degenerative mitral regurgitation (DMR) using 31P MRS.

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