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  • Title: Cardiac magnetic resonance in Chagas' disease.
    Author: Rochitte CE, Nacif MS, de Oliveira Júnior AC, Siqueira-Batista R, Marchiori E, Uellendahl M, de Lourdes Higuchi M.
    Journal: Artif Organs; 2007 Apr; 31(4):259-67. PubMed ID: 17437493.
    Abstract:
    American trypanosomiasis (Chagas' disease [CD]) caused by Trypanosoma cruzi is endemic in Latin America, where it is one of the leading causes of death. The involvement of the heart is crucial in the patients' prognosis. Besides lymphocytic myocarditis, cardiomyopathy is associated with several degrees of myocardial fibrosis (MF). Myocardial delayed enhancement by cardiac magnetic resonance (CMR) has been considered the most accurate method to detect MF in ischemic and nonischemic cardiomyopathy, including Chagas' heart disease. Additionally, CMR offers a wide variety of imaging tools to evaluate in detail morphology, the function and other tissue characterization abilities, such as detection of edema and fat. The present article aims to discuss the current clinical applicability of CMR to evaluate CD. We also discuss its future as a screening tool for very early myocardial involvement, which would allow the investigation of new therapeutic methods with potential influence in the natural history of CD.
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