Oportunidade do sistema de vigilância da dengue, doenças exantemáticas, meningite e tuberculose no Brasil
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2012-02-28
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Universidade Federal de Goiás
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Epidemiologic surveillance has among its goals to provide information for diseases control. In this context, surveillance activities should be systematic, timely and simple to produce adequate data. According to the Center for Disease Prevention and Control surveillance systems present essential attributes to perform properly, being timeliness one of these attributes. This work aims to evaluate the timeliness of the surveillance systems for dengue, meningitis, exanthematic diseases and tuberculosis based on the data available from two versions of the National Notifiable Diseases Information System (Sinan) between 2005 and 2008. The analysis of notification timeliness for tuberculosis cases has shown that more than 50% of the cases were notified on the same day of the diagnostic, reaching 90% after 40 dias. For the other diseases evaluated, the median time for notification was up to 3 days, with 90% of the cases being reported within 13 to 17 days. There was no difference in the timeliness of notification according to sex. The analysis of investigation timeliness highlighted that 90% of the cases initiated this process on the same day of the notification. The analysis of the interval for data entry in Sinan presented a significant loss of timeliness with a median of 10 to 14 days after the notification for the acute diseases and 25 to 31 days for tuberculosis. The analysis of treatment timeliness for tuberculosis showed that 70% of the cases started their treatment at the day of diagnostic. The timeliness of case closing was adequate for all evaluated diseases, except for the dengue and the exanthematic cases in 2007 and 2008. The national surveillance system presented adequate timeliness of notification and investigation for all the diseases evaluated in this study, regardless of the version of Sinan. However, it is necessary to improve the timeliness of data entry, treatment and completion of the investigation of the cases.
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MANDACARÚ, Polyana Maria Pimenta. Oportunidade do sistema de vigilância da dengue, doenças exantemáticas, meningite e tuberculose no Brasil. 2012. 106 f. Dissertação (Mestrado em Medicina Tropical e Saúde Pública) - Universidade Federal de Goiás, Goiânia, 2012.