Abstract

GARCIA-TRUJILLO, AO; FOLLECO-UNIGARRO, MF  and  MATTA-CORTES, L. Miocarditis autoinmune inducida por hipertiroidismo secundario a enfermedad de Graves. Reporte de un caso. Rev. argent. endocrinol. metab. [online]. 2020, vol.57, n.4, pp.21-30. ISSN 1851-3034.

Cardiovascular involvement in patients with thyrotoxicosis is characterized by the presentation of arrhythmias, embolic phenomena, coronary events, and heart failure. The latter is an unusual presentation, in most cases characterized as high-output cardiac failure, relegating the low-output cardiac failure to a small proportion of etiology yet to be clarified. We describe the case of a female patient with diagnosis of hyperthyroidism during pregnancy, who one month after caesarean section began with symptoms of heart failure in the context of thyrotoxicosis. Dilated heart disease with reduced ejection fraction is documented, with findings in the cardiac magnetic resonance that suggested the diagnosis of myocarditis. An autoimmune origin secondary to Graves' disease was determined, as the etiology of the myocarditis, with an adequate response to immunosuppressive and antithyroid management.

Keywords : Autoimmune myocarditis; Graves disease; Hyperthyroidism.

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