Análise da qualidade das notificações de dengue informadas no SINAN, na epidemia de 2010, em uma cidade pólo da zona da mata do estado de Minas Gerais

Abstract

Dengue is a viral disease that presents itself as an important public health problem worldwide. All suspected or confirmed case of dengue should be notified in the Notifiable Hazards Information System (Sistema de Informação de Agravos de Notificação – SINAN). Data included in this system represent an important source of information for epidemiological studies and for the evaluation of quality. This study aimed to analyze the quality of reports of dengue reported in SINAN, referring to the epidemic occurred in 2010 in the city of Juiz de Fora - MG. This is a descriptive epidemiological study whose data were obtained from SINAN, provided by the Environmental and Epidemiological Surveillance Department of Juiz de Fora. The analysis included the variables sex, age range, address, race/skin color, schooling, probable source of infection acquisition, laboratory and clinical and epidemiological data, as well as the completeness, timely closure of the recorded cases, duplicity and consistency of the data. Of the 9396 dengue cases notified in Juiz de Fora, 62.9% were classified as Classical Dengue, 0,9% as Dengue with Complications, 0,1% as Dengue Hemorrhagic Fever, 0.04% as Dengue Shock Syndrome, 4.9% were discarded, 30.8% inconclusive, 0.3% cases ignored / blank and 0.2% of the total of reported cases died. Most cases occurred in healthy adults aged 32 to 59 years, of the female sex, living in the urban area, of the white race, with complete/incomplete fundamental education, and autochthonous from the municipality. Completeness was poor for most fields, except for those to be compulsorily completed, which were classified as excellent. No notifications in duplicity were found, and 95.88% of the cases were timely closed. Consistency was classified as excellent. The analyzes performed in this study provided important information for understanding the epidemiology of dengue in Juiz de Fora, thus creating a better parameters for directing the activities of surveillance and disease control. It was showed a worrying amount of variables in white / ignored, pointing to the need for training of professionals about the importance of filling the information systems´s instruments based.