Introduction:

dengue is an important public health problem for endemic regions.

Objective:

to identify clinical, biological and imaging variables associated with the probability of dying in patients with severe dengue admitted to the intensive care unit of the General Teaching Hospital "Dr. Agostinho Neto" between January and November 2014.

Method:

a study was conducted epidemiological, case-control, retrospective study in which all patients were admitted to the research scenario with a diagnosis of severe dengue and whom were confirmed serologically in this studied period. Descriptive statistics and univariate, bivariate and logistic regression were used to determine the association of the selected variables with mortality. It were analyzed 90 cases, 10 deaths and 80 alive.

Results:

In the univariate analysis, mean blood pressure, urinary output and platelet count, glycaemia, metabolic acidosis and pericardial effusion were found to have significant differences. In the multivariate analysis, that shown an association with mortality, urinary output and mean arterial pressure, glycemia, metabolic acidosis and pericardial effusion. Pericardial effusion and metabolic acidosis have acceptable measures of diagnostic validity and safety of the probability of dying.

Conclusions:

Mean arterial pressure and urinary output 3, glycemia 2 and 3, metabolic acidosis with DB≥8 mmol / l at time 1 and 2 and pericardial effusion at time 3 were found to be variables with predictive capacity of mortality in patients with severe dengue.

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