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BSA: body surface area; LV: left ventricle/left ventricular; LVESD: left ventricle end-systolic diameter; LVEF: left ventricular ejection fraction. aSee recommendations on indications for surgery in severe aortic regurgitation and aortic root disease for definition. bSurgery should also be considered if significant changes in LV or aortic size occur during follow-up.
