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A Stepwise Approach to Stroke Surveillance in Brazil: the EMMA (Estudo de Mortalidade E Morbidade Do Acidente Vascular Cerebral) Study

2010; SAGE Publishing; Volume: 5; Issue: 4 Linguagem: Inglês

10.1111/j.1747-4949.2010.00441.x

1747-4949

Alessandra C. Goulart, Iara Rosa da Silva Bustos, Ivana M. Abe, Alexandre C. Pereira, L Fedeli, Isabela M. Benseñor, Paulo A. Lotufo,

Stroke Rehabilitation and Recovery

Background: Stroke mortality rates in Brazil are the highest in the Americas. Deaths from cerebrovascular disease surpass coronary heart disease. Aim: To verify stroke mortality rates and morbidity in an area of São Paulo, Brazil, using the World Health Organization Stepwise Approach to Stroke Surveillance. Methods: We used the World Health Organization Stepwise Approach to Stroke Surveillance structure of stroke surveillance. The hospital-based data comprised fatal and nonfatal stroke (Step 1). We gathered stroke-related mortality data in the community using World Health Organization questionnaires (Step 2). The questionnaire determining stroke prevalence was activated door to door in a family-health-programme neighbourhood (Step 3). Results: A total of 682 patients 18 years and above, including 472 incident cases, presented with cerebrovascular disease and were enrolled in Step 1 during April–May 2009. Cerebral infarction (84.3%) and first-ever stroke (85.2%) were the most frequent. In Step 2, 256 deaths from stroke were identified during 2006–2007. Forty-four per cent of deaths were classified as unspecified stroke, 1/3 as ischaemic stroke, and 1/4 due to haemorrhagic subtype. In Step 3, 577 subjects over 35 years old were evaluated at home, and 244 cases of stroke survival were diagnosed via a questionnaire, validated by a board-certified neurologist. The population demographic characteristics were similar in the three steps, except in terms of age and gender. Conclusion: By including data from all settings, World Health Organization stroke surveillance can provide data to help plan future resources that meet the needs of the public-health system.