Carmen Elena Fuenmayor

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The persistence of Trypanosoma cruzi tissue forms was detected in the myocardium of seropositive individuals clinically diagnosed as chronic chagasic patients following endomyocardial biopsies (EMBs) processed by immunohistochemical (peroxidase-anti-peroxidase [PAP] staining) and molecular (polymerase chain reaction [PCR]) techniques. An indirect(More)
OBJECTIVE The present work analysed endomyocardial biopsies of patients with acute Chagas' disease in order to evaluate the frequency and intensity of T. cruzi antigens, CD4+ and CD8+ T cells to determine the characteristics of this recurrent disease in Venezuela. MATERIAL AND METHODS Twelve endomyocardial biopsies of patients with Chagas' disease, 12 to(More)
During the last 8 years 58 acute cases of Chagas' disease were studied. Patients from an endemic area of the state of Barinas, Venezuela, showed fever (98%) and circulating forms of T. cruzi (100%), and were treated with oral benznidazole. The recorded mortality was 8.6%. Acute myocarditis was constantly found either in myocardial biopsies or at necropsy,(More)
BACKGROUND As the acute stage of Chagas' myocarditis is rarely detected, little is known about the electrophysiologic characteristics of that stage. HYPOTHESIS This investigation was undertaken to conduct an electrophysiologic study of the properties of the heart during the acute phase of Chagasic myocarditis. METHODS We studied eight patients who had(More)
Pneumatosis cystoides intestinalis is a rare condition in which multiple gas-filled cysts are found within the wall of the gastrointestinal tract either in the subserosa or submucosa. Its pathogenesis is uncertain and several pathogenic mechanisms have been proposed to explain its origin. The case of a male patient of 46 years with previous diagnosis of(More)
With the purpose of studying their clinical and histopathologic evolution, 10 acute chagasic patients with myocarditis diagnosed by endomyocardial biopsy and positive sero-parasitologic methods were evaluated at 11 months (8-21 months) after treatment with oral benznidazole. Four of them were reevaluated 5 years post-treatment (58-68 months). Study protocol(More)
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