A New Approach to Reducing Mortality from Dengue

Sonia Maria Oliveira de Andrade, Cyntia Maria Moreira Herkert, Rivaldo Venancio da Cunha, Mariana Delfino Rodrigues, Baldomero Antonio Kato da Silva

Physiotherapy Program, Universidade Federal do Piauí, Parnaíba, Brazil.
Post Graduate Program in Infectious and Parasitic Diseases, School of Medicine, Universidade Federal de Mato Grosso do Sul, Campo Grande, Brazil.

DOI: 10.4236/ojcd.2014.41003                

Abstract

In 2009, based on a multicenter study conducted in Asia and Latin Americaand subsidized by the Dengue Control (DENCO) Research Program, the World Health Organization (WHO) proposed a new classification for dengue cases. The purpose of the present study was to evaluate the applicability of the new classification, relative to its previous version [1]. The evaluation, conducted in Campo Grande county, Mato Grosso do Sul state, Brazil, drew on secondary data from referral healthcare centers that assist high-severity dengue patients. A total of 156 medical records of patients with laboratory diagnosis of dengue were investigated. The records covered two epidemic periods: summer of 2006-2007 and summer of 2009-2010. The results showed that 64.6% of cases classified as dengue fever under the 1997 criteria presented manifestations of severity, warranting their reclassification as dengue with warning signs (49) or severe dengue (15) under the 2009 revised criteria. Bleeding, persistent vomiting, and severe, continuous abdominal pain were the most prevalent warning signs, indicative of risk of progression to severe disease. The revised classification was proved less complex than the current version, facilitating the identification of cases and the clinical management of patients.

Keywords

Dengue; Disease Classification; World Health Organization

Conflicts of Interest

The authors declare no conflicts of interest.

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