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Hibernating Myocardium

Another Piece of the Puzzle Falls Into Place^_*

Shahbudin H. Rahimtoola, MB, MACP, MACC, DSc (Hon), FRCP^,_*, Giovanni La Canna, MD and Roberto Ferrari, MD, PhD^,||

Division of Cardiovascular Medicine, Department of Medicine, LAC+USC Medical Center, Keck School of Medicine at the University of Southern California, Los Angeles, California
Cardiac Surgery Department, San Raffaele University Hospital, Milan, Italy
University of Ferrara, Ferrara, Italy
^|| Cardiovascular Research Centre, Salvatore Maugeri Foundation, IRCCS, Gussago (Brescia), Italy

View larger version (23K): [in a new window]   Figure 1 Preoperative and postoperative left ventricular function in a patient with hibernating myocardium. Adapted from Rahimtoola (1). LAD = left anterior descending coronary artery; LVEDV = left ventricular end-diastolic volume; LVEF = left ventricular ejection fraction; LVESV = left ventricular end-systolic volume; LVSV = left ventricular stroke volume.

View larger version (26K): [in a new window]   Figure 2 Diagrammatic representation of postulated progressive changes in a patient with hibernating myocardium and no remodeling (B), mild to moderate remodeling (C and D), and end stage (E) of the disorder. For details, see text. WMA = wall motion abnormality.