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What is the effect of catecholamines on diastolic function in patients with pheochromocytoma and paraganglioma?
Thiago Andrade Macedo1, Luciano F Drager1, Marcelo Luiz Campos Vieira1
1Heart Institute (InCor) Clinical Hospital, University of Sao Paulo, Sao Paulo, Brazil.
Abstract:
Pheochromocytoma is a rare form of secondary hypertension characterized by excessive production of catecholamines typically due to a benign tumor in the adrenal medulla. Among the potential cardiac repercussions of pheochromocytoma and paraganglioma, previous studies described echocardiographic abnormalities such as dynamic left ventricular outflow tract obstruction (i), cardiomyopathy (ii, iii, iv), reversible dilatation of the left ventricle (v) and left ventricular functional changes (vi) in patients with pheochromocytoma.
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