ANÁLISE DE CASOS DE DENGUE SEGUNDO GRAVIDADE CLÍNICA, SÃO LUIS, MARANHÃO, BRASIL

Abstract

In Brazil, the severe dengue cases have increased since2001. However, in children under 15 years, this trend began in 2007, mainly in the northeast of country. In Maranhão the first records of severe dengue date back to 2002. The objective of this research was to analysis prevalence of severe dengue for age group and its possible associated factors. It is treated of ecologic study of dengue cases confirmed the National Mandatory Reporting System (SINAN) from 2002 to 2011 in São Luís, Maranhão, Brazil. The diagnosis and dengue classification were based on the criteria of the Brazilian Ministry of Health, dengue fever, dengue hemorrhagic fever and dengue with complications. It was considered as severe dengue: dengue hemorrhagic fever and dengue with complications and as not severe dengue: dengue fever. We conducted logistic regression analysis, with the severe dengue outcome. During the period studied, 1,229 cases of severe dengue were confirmed; 812 of these were children under fifteen years (66%). Among the risk factors evaluated, being less than 15 years was associated with severe dengue (OR = 3.10, CI = 2.69-3.57; p-value = 0.001) as well as identifying as white (OR = 1.35, CI = 1.14-1.60; p-value = 0.001). The prevalence of severe dengue in children under fifteen years was high and only the group below the age of fifteen and white were associated with the occurrence of severe dengue.