Abstract
Besides its usefulness for the detection of exercise-induced ischemia, conventional exercise testing may help to predict the onset of clinical events and the need for surgery in asymptomatic patients with cardiac-valvular disease. Doppler echocardiography examination during exercise recently emerged as a new stress testing modality that may add useful information regarding dynamism of LV function, valve disease severity and pulmonary circulation. Few studies have demonstrated a correlation between the results of exercise Doppler echocardiography and clinical outcome. Preliminary experience needs to be confirmed to warrant routine use of Doppler echocardiography examination during exercise in the evaluation of patients with cardiac-valve disease.
MeSH terms
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Aortic Valve Insufficiency / diagnostic imaging
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Aortic Valve Insufficiency / mortality
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Aortic Valve Insufficiency / physiopathology
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Aortic Valve Stenosis / diagnostic imaging
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Aortic Valve Stenosis / mortality
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Aortic Valve Stenosis / physiopathology
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Echocardiography, Doppler / methods*
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Exercise Test
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Heart Diseases / diagnostic imaging*
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Heart Diseases / mortality*
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Heart Diseases / physiopathology
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Heart Valve Diseases / diagnostic imaging*
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Heart Valve Diseases / mortality*
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Heart Valve Diseases / physiopathology
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Humans
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Mitral Valve Insufficiency / diagnostic imaging
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Mitral Valve Insufficiency / mortality
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Mitral Valve Insufficiency / physiopathology
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Myocardial Contraction / physiology
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Stroke Volume
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Ventricular Dysfunction / epidemiology