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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 109, No. 1, 2014, pp. 93-98
Bioline Code: oc14012
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 109, No. 1, 2014, pp. 93-98

 en Evaluation of the WHO classification of dengue disease severity during an epidemic in 2011 in the state of Ceará, Brazil
de Góes Cavalcanti, Luciano Pamplona; Martins Mota, Lia Alves; Porto Lustosa, Gustavo; Carvalho Fortes, Mayara; Martins Mota, Davi Alves; Bezerra Lima, Antônio Afonso; Branco Coelho, Ivo Castelo & Gomes Mourão, Maria Paula

Abstract

In 2009, the World Health Organization (WHO) issued a new guideline that stratifies dengue-affected patients into severe (SD) and non-severe dengue (NSD) (with or without warning signs). To evaluate the new recommendations, we completed a retrospective cross-sectional study of the dengue haemorrhagic fever (DHF) cases reported during an outbreak in 2011 in northeastern Brazil. We investigated 84 suspected DHF patients, including 45 (53.6%) males and 39 (46.4%) females. The ages of the patients ranged from five-83 years and the median age was 29. According to the DHF/dengue shock syndrome classification, 53 (63.1%) patients were classified as having dengue fever and 31 (36.9%) as having DHF. According to the 2009 WHO classification, 32 (38.1%) patients were grouped as having NSD [4 (4.8%) without warning signs and 28 (33.3%) with warning signs] and 52 (61.9%) as having SD. A better performance of the revised classification in the detection of severe clinical manifestations allows for an improved detection of patients with SD and may reduce deaths. The revised classification will not only facilitate effective screening and patient management, but will also enable the collection of standardised surveillance data for future epidemiological and clinical studies.

Keywords
dengue fever; classification criteria; warning signs; Brazil

 
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