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Scintigraphy for the detection of myocardial damage in the indeterminate form of Chagas disease

Ivana Moura Abuhid et al. Enio Roberto Pietra Pedroso Nilton Alves de Rezende

BACKGROUND: Non-invasive cardiological methods have been used for the identification of myocardial damage in Chagas disease. OBJECTIVE: To verify whether the rest/stress myocardial perfusion scintigraphy is able to identify early myocardial damage in the indeterminate form of Chagas disease. METHODS: Eighteen patients with the indeterminate form of Chagas Disease and the same number of normal controls, paired by sex and age, underwent rest/stress myocardial scintigraphy using sestamibi-99mTc, aiming at detecting early cardiac damage. RESULTS: The results did not show perfusion or ventricular function defects in patients at the indeterminate phase of Chagas disease and in the normal controls, except for a patient who presented signs of ventricular dysfunction in the myocardial perfusion scintigraphy with electrocardiographic gating. CONCLUSION: The results of this study, considering the small sample size, showed that the rest/stress myocardial scintigraphy using sestamibi-99mTc is not an effective method to detect early myocardial alterations in the indeterminate form of Chagas disease.

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Scintigraphy for the detection of myocardial damage in the indeterminate form of Chagas disease

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