Key result
In patients with aortic stenosis, assessment of systolic and diastolic left ventricular function should be completed by evaluating functional capacity using low dose dobutamine stress echocardiography.
Low dose dobutamine stress echocardiography is suggested for evaluating functional capacity in relation to diastolic LV dysfunction in specific subsets of aortic stenosis.
May support low-dose dobutamine stress echo for functional assessment in aortic stenosis subsets; leaves open prospective validation before practice change.
In aortic stenosis (AS), altered functional capacity may be not only a result of impaired systolic performance but likewise of diastolic left ventricular (LV) dysfunction. In asymptomatic severe AS, in borderline severe AS and in low flow, low gradient AS with reduced ejection fraction (EF), assessment of systolic and diastolic LV function should be completed by evaluation of functional capacity using low dose dobutamine stress echocardiography (SE).
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Bartel et al. (2013) conducted an editorial in Aortic stenosis. Stress echocardiography and assessment of diastolic left ventricular dysfunction was evaluated. In patients with aortic stenosis, assessment of systolic and diastolic left ventricular function should be completed by evaluating functional capacity using low dose dobutamine stress echocardiography.
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