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Medicina (B.Aires) ; 65(6): 507-512, 2005. tab, graf
Article in English | LILACS | ID: lil-443099

ABSTRACT

La ciudad de Rauch presentaba en 1997 alta prevalencia de hipertensión arterial (HA) y bajos niveles de tratamiento y control. Para evaluar el impacto de actividades de intervención comunitarias sobre la presión arterial (PA) reencuestamos en el año 2003 a una cohorte de 1526 habitantes de 15-75 años. Las actividades de intervención fueron el estudio inicial, la indicación de concurrir a su médico cuando se hallaban alteraciones, la provisión gratuita de antihipertensivos y la difusión por medios masivos de los resultados del estudio y de hábitos saludables de vida. La PA fue medida en el domicilio por enfermeras especialmente entrenadas, considerando PA sistólica y diastólica (PAS y PAD) a los promedios de tres registros en una ocasión. Se reencuestaron 1307 individuos (85.65%). La PAS descendió de 137.98 ± 0.57 a 132.49 ± 0.53 mm Hg (p<0.01) y la PAD de 88.73 ± 0.38 a 81.87 ± 0.33 mm Hg (p<0.01). La PA disminuyó en ambos sexos, en todos los grupos etáreos y en el subgrupo sin antihipertensivos. El porcentaje de sujetos con antihipertensivos aumentó de 12.2 a 20.4 (p<0.01) y se observó una relación significativa entre los percentilos de los cambios de la PA y los cambios del peso en sujetos con y sin antihipertensivos. Las estrategias de intervención comunitaria fueron efectivas para controlar la PA y, probablemente, para disminuir el riesgo cardiovascular en una comunidad con alta prevalencia de HA.


In a cross section study performed in Rauch in 1997 we found a high prevalence of hypertension and low levels of treatment and control. To evaluate the impact of the community-based intervention activities on blood pressure (BP), we made a cohort study in 1526 inhabitants aged between 15 and 75 years in 2003. The initial study, the advice to consult the family doctor when alterations were found, the free provision of antihypertensive drugs, the press diffusion of the study results and a healthy lifestyle were included among the intervention activities. BP was measured in the subjects' residence by especially trained nurses, considering systolic BP (SBP) and diastolic BP (DBP) as the average of three measurements in one occasion. A total of 1307 subjects (85.65%) were re-interviewed. SBP decreased from 137.98 +/- 0.57 to 132.49 +/- 0.53 mm Hg (p < 0.01) and DBP from 88.73 +/- 0.38 to 81.87 +/- 0.33 mm Hg (p < 0.01). Pressure decrease was observed in all the age groups, in both sexes and in the subgroup without receiving antihypertensive drugs. The percentage with antihypertensive drugs increased from 12.2 to 20.4 (p < 0.01). A significant relationship was observed between the percentiles of the BP changes and weight changes in subjects with and without antihypertensive drugs. Community-based intervention strategies were effective to BP control and, probably, to decrease the cardiovascular risk in a community with high prevalence of hypertension.


Subject(s)
Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Community Health Services , Hypertension/prevention & control , Arterial Pressure/physiology , Age Distribution , Analysis of Variance , Antihypertensive Agents/therapeutic use , Blood Pressure Determination , Cohort Studies , Alcohol Drinking/prevention & control , Hypertension/drug therapy , Arterial Pressure/drug effects , Sex Distribution , Community Health Services/organization & administration , Tobacco Use Disorder/prevention & control
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