-Background: The early recognition of stroke signs and symptoms is of great relevance concerning the outcome, since it enhances the chances of thrombolytic therapy use. Purpose: To compare the knowledge of stroke among a community-based sample and patients treated in a cardiologic clinic. Method: We applied a questionnaire during one morning to people who were walking in a park (Pa) and spontaneously stopped at a health tent and during one week to patients of a cardiologic clinic (Ca). The survey assessed demographic details, awareness of stroke symptoms and signs, risk factors and general concepts of stroke. Results: A total of 222 questionnaires were answered, 109 by the cardiologic clinic group and 113 by the park group. The park group recognized better three associated symptoms: headache (Ca: 39%; Pa: 61%; p: 0.001), loss of vision (Ca: 15.8%; Pa: 30.9%; p: 0.007) and unilateral paralysis/weakness (Ca: 26%; Pa: 41%; p: 0.026). The park group recognized better 3 risk factors: diabetes (Ca: 22.9%; Pa: 37.2%; p: 0.021), smoking (Ca: 51.4%; Pa: 67.2%; p: 0.011) and high cholesterol (Ca: 54.1%; Pa: 69.9%; p: 0.015). Conclusion: Our results suggest that patients treated in a cardiologic clinic do not show a better knowledge of stroke when compared to a community-based sample. Campaigns to increase stroke knowledge can have a great impact on public health, especially among enhanced risk groups, such as cardiovascular patients.Key WOrds: stroke awareness, public perception, lay knowledge. nível de conhecimento sobre acidente vascular cerebral entre pacientes de uma clínica cardiológica.Resumo -Fundamento: O reconhecimento precoce dos sinais e sintomas de um acidente vascular cerebral (AVC) é relevante no prognóstico do paciente, pois aumenta a chance do uso da terapia trombolítica. Objetivo: Avaliar o conhecimento sobre AVC entre uma amostra de pacientes tratados em uma clínica cardiológica, comparando-o com o de uma amostra da população freqüentadora de um parque recreativo. Método: Aplicamos um questionário estruturado acerca de conhecimentos gerais sobre AVC a pacientes de uma clínica cardiológica durante uma semana. Aplicamos o mesmo questionário numa única manhã a freqüentadores de um parque recreativo que paravam espontaneamente em um stand de informações sobre saúde. Além de dados demográficos, o questionário avaliava conhecimento sobre sintomas e sinais de AVC, fatores de risco e conceitos gerais sobre a doença. Resultados: Foram respondidos 222 questionários, 109 pelo grupo da clínica de cardiologia (Ca) e 113 pelo grupo do parque (Pa). O grupo do parque reconheceu melhor três sintomas: cefaléia (Ca: 39%; Pa: 61%; p: 0,001), déficit visual (Ca: 15,8%; Pa: 30,9%; p: 0,007) e hemiparesia (Ca: 26%; Pa: 41%; p: 0,026). O grupo do parque associou melhor três fatores de risco ao AVC: diabetes (Ca: 22,9%; Pa: 37,2%; p: 0,021), tabagismo (Ca: 51,4%; Pa: 67,2%; p: 0,011) e colesterol alto (Ca: 54,1%; Pa: 69,9%; p: 0,015). Conclusão: Nossos resultados sugerem que pacientes tratados em uma clínica cardiológic...
A new plethysmograph for detecting arterial pulse waves in the rat tail is described. With the objective of indirectly measuring the arterial blood pressure in small animal tails an easy-to-build plethysmographic chamber is presented. Essentially in this apparatus the atmospheric air insulated in the chamber is used as the transmitter of the volume changes caused by the arterial flow. By this methodology details of the pulse wave morphology are clearly visible, including the dicrotic notch. It is demonstrated that this chamber combines simplicity with accuracy.
Resumo: O presente artigo apresenta, na perspectiva do autor, os desafiosatuais da saúde pública no Brasil, traçando um breve histórico da saúde comodireito de cidadania, analisa a situação atual sob os aspectos epidemiológicos,sociais, econômicos e culturais, e propõe alternativas para melhor desempenhodas atividades assistenciais desenvolvidas no âmbito do Sistema Únicode Saúde/SUS.Abstract: This article presents, in the perspective of the author, the presentchallenges of public health in Brazil, tracing a short health history as a right ofcitizenship; it analyzes the present situation under epidemiological, social, economicaland cultural aspects, and proposes alternatives for a better performanceof assistance activities carried out within the ambit of the Unified Health System,“Sistema Único de Saúde” (SUS).
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