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  • Title: [Endomyocardial biopsy and myocardial imaging with 67-gallium in the diagnosis of active myocarditis in children with dilated myocardiopathy].
    Author: Camargo PR, Mazzieri R, Snitcowsky R, Meneguetti C, Soares Júnior J, Higuchi Mde L, Ebaid M, Pileggi F.
    Journal: Arq Bras Cardiol; 1990 Jan; 54(1):27-31. PubMed ID: 2264767.
    Abstract:
    PURPOSE: This study was designed to compare 67Ga imaging and endomyocardial biopsy (EB) in children with severe dilated cardiomyopathy (DC), as well as to evaluate the results in a group of patients with active myocarditis submitted to immunosuppressive therapy. PATIENTS AND METHODS: Forty-four pediatric patients with severe DC were studied. Twenty males and 24 females from 10 months to 15 year old (median = 2.6 years). All patients were submitted to a protocol including 67Ga uptake and EB. In patients submitted to immunosuppressive therapy these procedures were repeated after six months. RESULTS: In 32 patients (72.7%) the EB revealed presence of inflammatory process; 21 (65.6%) of these had a positive 67Ga uptake and 11 (34.4%) negative. Twelve patients with no evidence of inflammatory process in the EB, nine (75%) presented negative 67Ga uptake. However, when the intensity of myocardial inflammatory was analysed (mild, moderate and severe) and correlated with 67Ga imaging, was observed that the majority of patients with negative 67Ga uptake (11 patients) had mild inflammatory infiltration (nine patients). In this way the 67Ga uptake demonstrated a good correlation in the diagnosis of moderate and severe inflammatory process in children with DC. This is important because the use of immunosuppressive drugs is indicated only in these group. CONCLUSION: The 67Ga imaging is a noninvasive diagnostic method with a good sensitivity to the diagnostic method with a good sensitivity to the diagnosis of AM in children with severe DC, demonstrating to be very useful in the therapeutic approach.
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