Prevalência de níveis pressóricos elevados e fatores associados em escolares de 7 a 10 anos, no município de Vitória-ES
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Data
2008-06-27
Autores
Lyra, Marisa Barbosa
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Universidade Federal do Espírito Santo
Resumo
The arterial hypertension on childhood has been an interest of the cientific community in the last 50 years with the purpose of knowing the future relation between hypertension and cardiovascular diseases and rethinking the preventive measures. This study had the goal to evaluate the prevalence of the high pressure levels and associated risk factors in school children from 7 to 10 years old from the city of Vitoria - ES - Brazil. Concerning the casuistic and methodology, it was a observational study of the transversal cut developed on 1.282 children from 7 to 10 years old, enrolled on public and private schools of the city of Vitoria - ES - Brazil in 2007. The sample calculus considered 6% of prevalence of hypertension in a population of 18.500 children, besides been done in two stages. Anthropometric, hemodynamic and life and health habits data from the children were taken during school visits. It had been sent to the children parents a form that had socioeconomical, health, and hypertension present on parents related questions. The arterial pressure levels were verified by using the oscillometric method with the equipment OMROM - HEM 705CP in two pressure checks, on a single visit and, when we had difference higher than 5mmHG, it was verified by a third check. We used the NCHS charts of percentile according to gender, age and height and the percentile chart of arterial pressure that classifies high pressure when percentile above or equal to 95, close to limit when percentile from 90 to 94 and normotension when the percentile is below 90. The statistic treatment privileged the evaluation of the relations amongst the variables with the t-student and quiOsquare tests, with significance level of 5%. To compare the average pressure according to age, we used ANOVA and Tukey test. The results showed us that: a) the arterial pressure averages raises with the age; b) prevalence of high pressure of 13,6% (IC 95%;10,7- 16,2) and c) positive association only between the variables systolic arterial pressure, and race/color (IC 95%;1,3-3,4), and been of the race/color black is a exposure factor, and been of the race/color white is a protection factor for the closure. Concludes that the prevalence of high pressure on school children studied is compatible with the studies that uses a similar methodology, and becomes important not just the verification of arterial pressure on kids, as the development of integrated actions with the purpose of gaining healthy habits to decrease future morbidity and cardiovascular mortality.
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Arterial hypertension , Children , School children , Hipertensão arterial , Criança , Escolares