Why the study?
Does low-dose dobutamine stress echocardiography reveal reduced right ventricular contractile reserve in adults with pulmonary arterial hypertension compared to controls?
Does low-dose dobutamine stress echocardiography reveal reduced right ventricular contractile reserve in adults with pulmonary arterial hypertension compared to controls?
Dobutamine stress echocardiography reveals sub-clinical reduction in right ventricular contractile reserve in patients with PAH, which correlates with exercise capacity.
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May identify subclinical RV impairment in PAH via stress echo; leaves open prognostic or therapeutic utility pending prospective studies.
Sharma et al. (2014) studied this question.
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