Fatal outcome o infection by dengue 4 in a patent with thrombocytopenic purpuura as a comorbid condition in Brazil / Óbito por dengue 4 no Brasil em paciente com púrpura trombocitopênica idiopática
Amâncio, Frederico Figueiredo; Pereira, Maira Alves; Iani, Felipe Campos de Melo; D'anunciação, Lorena; Almeida, Jorge Luís Carvalho de; Soares, Janer Aparecida Silveira; Ferraz, Marcela Lencine; Vale, Thiago Cardoso; Lambertucci, José Roberto; Carneiro, Mariângela.
Rev. Inst. Med. Trop. Säo Paulo;
56(3): 267-270, May-Jun/2014. tab, graf
Artículo
en Inglés
| LILACS | ID: lil-710403
Dengue is currently a major public-health problem. Dengue virus (DENV) is classified into four distinct serotypes, DENV 1-4. After 28 years of absence, DENV-4 was again detected in Brazil in 2010 in Roraima State, and one year later, the virus was identified in the northern Brazilian states of Amazonas and Pará, followed by Rio de Janeiro and São Paulo. In Minas Gerais, the first confirmed case of DENV-4 occurred in the municipality of Frutal in 2011 and has now been isolated from a growing number of patients. Although DENV-2 is associated with the highest risk of severe forms of the disease and death due to the infection, DENV-4 has also been associated with severe forms of the disease and an increasing risk of hemorrhagic manifestations. Herein, the first fatal case of confirmed DENV-4 in Brazil is reported. The patient was an 11-year-old girl from the municipality of Montes Claros in northern Minas Gerais State, Brazil. She had idiopathic thrombocytopenic purpura as a comorbid condition and presented with a fulminant course of infection, leading to death due to hemorrhagic complications. Diagnosis was confirmed by detection of Dengue-specific antibodies using IgM capture enzyme-linked immunosorbent assay and semi-nested RT-PCR. Primary care physicians and other health-care providers should bear in mind that DENV-4 can also result in severe forms of the disease and lead to hemorrhagic complications and death, mainly when dengue infection is associated with coexisting conditions.
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