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Characterizing The Temporal Evolution Of Altered Cardiac Mechanics In Diet-Induced Obese Mice Using Cine Dense Cmr, Christopher M. Haggerty, Andrea C. Mattingly, Cassi M. Binkley, Sage P. Kramer, David K. Powell, Frederick H. Epstein, Brandon K. Fornwalt
Characterizing The Temporal Evolution Of Altered Cardiac Mechanics In Diet-Induced Obese Mice Using Cine Dense Cmr, Christopher M. Haggerty, Andrea C. Mattingly, Cassi M. Binkley, Sage P. Kramer, David K. Powell, Frederick H. Epstein, Brandon K. Fornwalt
Pediatrics Presentations
Background
Obesity and metabolic syndrome are associated with increased risk of cardiovascular disease. Research suggests that altered cardiac mechanics (i.e., reduced strains, torsion, and synchrony of contraction) are present in obesity; yet, the causes of this mechanical dysfunction and its relationship to other sequelae of obesity (e.g., hypertension and elevated blood glucose) are not well understood. We hypothesize that diet-induced obesity in mice leads to reductions in measures of left ventricular (LV) mechanics, which develop in acute response to the onset of hyperglycemia, hypertension, and ventricular remodeling.
Methods
Twenty 4-week-old C57BL/6J mice were randomized (n = 10 per group) to …