Resumo

BOLANOS GOMEZ, Carlos Eduardo; SANABRIA GARITA, Alejandro  e  GARZONA NAVAS, Andrés. Thyroid diseases could induce structural and functional changes of the heart. Rev. costarric. cardiol [online]. 2019, vol.21, n.2, pp.15-20. ISSN 1409-4142.

Dilated cardiomyopathy (DCM) with systolic dysfunction provoked by hypothyroidism is an uncommon phenomenon. In this article we describe a case of young male that presented heart failure symptomatology and was diagnosed with DCM, echocardiography showed global hypokinesia with severe left ventricular systolic dysfunction. Thyroid analysis reveled a TSH of 89 IU/dl with T4 under 0.3 ng/ml. We documented progressive improvement of systolic left ventricular function and symptomatology with thyroid replacement therapy.

Palavras-chave : heart failure; dilated cardiomyopathy; hypothyroidism; thyroid hormone.

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