Decrease of blood pressure by community-based strategies

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.(AU)

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.(AU)

Decrease of blood pressure by community-based strategies

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.

[Associated variables to hypertension in a region of Argentina]. / Variables asociadas a hipertensión arterial en una región de la Argentina.

We conducted a study in a random sample of 1523 inhabitants (15-75 years old) of Rauch city to determine risk factors prevalence to development hypertension and cardiovascular diseases. We measured blood pressure, weight, height, waist circumference, cholesterol and glucose levels, sodium excretion, and alcohol and tobacco consumption. We found a high prevalence of hypertension (43.20% in men and 28.50% in women), and obesity-overweight (54.81% in men and 44.65% in women), both of them augmented with aging. Only 4% of hypertensive subjects were being controlled and only 32% of them were aware of their condition. Men showed a marked increment of prevalence of hypertension and obesity-overweight between groups of 15-24 years and 25-34 years. Women had delayed and more gradual increments. In male and female respectively, the prevalence of hypercholesterolemia was 26.86 and 13.81, the prevalence of diabetes was 3.42 and 1.53, and the prevalence of tobacco consumption was 34.61 and 20.83. Higher BMI and waist circumference identified subjects with higher blood pressure up to 54 and 65 years, in men and women, respectively. Age and waist circumference in the whole group, and alcohol consumption in men, were independently correlated with blood pressure; sodium excretion had no correlation. High prevalence of hypertension and obesity-overweight and their association suggest that the most important primary prevention measure in this community should be to prevent obesity. Low levels of awareness indicate the need of ongoing detection programs, and low grade to control of hypertension could be modified with education programs for health providers.

Variables asociadas a hipertensión arterial en una región de la Argentina. / [Associated variables to hypertension in a region of Argentina]

We conducted a study in a random sample of 1523 inhabitants (15-75 years old) of Rauch city to determine risk factors prevalence to development hypertension and cardiovascular diseases. We measured blood pressure, weight, height, waist circumference, cholesterol and glucose levels, sodium excretion, and alcohol and tobacco consumption. We found a high prevalence of hypertension (43.20

in men and 28.50

in women), and obesity-overweight (54.81

in men and 44.65

in women), both of them augmented with aging. Only 4

of hypertensive subjects were being controlled and only 32

of them were aware of their condition. Men showed a marked increment of prevalence of hypertension and obesity-overweight between groups of 15-24 years and 25-34 years. Women had delayed and more gradual increments. In male and female respectively, the prevalence of hypercholesterolemia was 26.86 and 13.81, the prevalence of diabetes was 3.42 and 1.53, and the prevalence of tobacco consumption was 34.61 and 20.83. Higher BMI and waist circumference identified subjects with higher blood pressure up to 54 and 65 years, in men and women, respectively. Age and waist circumference in the whole group, and alcohol consumption in men, were independently correlated with blood pressure; sodium excretion had no correlation. High prevalence of hypertension and obesity-overweight and their association suggest that the most important primary prevention measure in this community should be to prevent obesity. Low levels of awareness indicate the need of ongoing detection programs, and low grade to control of hypertension could be modified with education programs for health providers.

Ten-year blood pressure trends in nonhypertensive inhabitants of La Plata, Argentina.

OBJECTIVES: To compare, according to blood pressure (BP) categories, 10-year trends in BP measurements in nonhypertensive subjects and the relative risk of developing hypertension. DESIGN: Population study. BP was recorded as the average of two measures taken on a single occasion with a mercury sphygmomanometer and the auscultation method. SETTING: Residents of La Plata, aged 15 to 64 years. PARTICIPANTS: The study was based on randomly chosen individuals who, during a previous survey in 1985, were 15 to 64 years old and whose BP was below 140/90 mmHg. They were grouped according to sex and BP categories. Random age- and sex-stratified sampling of 151 men and 193 women was performed. Categories were high normal BP, optimal BP (as defined by the fifth report of the Joint National Committee on Detection, Evaluation, and Treatment of High Blood Pressure) and normal but not optimal BP defined as BP 120 to 129/80 to 84 mmHg. RESULTS: BP increased in all categories; this increase was significant (P < 0.01) except for diastolic BP in women with high normal BP. BP increases were higher in optimal BP subjects and lower in high normal BP subjects (P < 0.01 for women and not significant for men). The relative risk of developing hypertension in high normal BP subjects was triple that in optimal BP subjects (P < 0.01). CONCLUSIONS: Increases in BP observed in optimal BP subjects stress the importance of monitoring BP changes and recommending primary prevention in the whole population.

[Blood pressure levels in young students. Correlation between body mass and metabolic and hemodynamic factors]. / Niveles de presion arterial en jovenes estudiantes. Correlacion con la masa corporal, factores metabolicos y hemodinamicos.

Blood pressure (BP) levels were measured in 450 students (mean age 20.8 +/- .11 years old) and were correlated with different parameters. Prevalence of arterial hypertension was, according to the JNC-V, 13% in males and 3% in females. The correlations between Body Mass Index (BMI) and BP levels were statistically significant either in males and females. Mean BP (MBP) increased 1.17 mmHg per unit of increase of BMI in males and 0.97 mmHg in females. According to the BP levels proposed by the JNC-V the male individuals were classified in three groups: optimal BP (OBP), high normal BP (HNBP) and hypertensives stage 1 (Hypert.). These groups had different BMI; OBP: 22.74 +/- 2; HNBP 24.4 +/- 0.48; Hypert. 25.06 +/- 0.66 kg/m2 (P < 0.05 Hypert. and HNBP as regards PAO; HNBP and Hypert. were not statistically different). Samples of each of these groups were taken in order to analyze other parameters such as: cardiac index (CI), total peripheral resistance (TPR), plasma glucose, plasma insulin, glucose/insulin ratio and intracellular pH in platelets. No significant differences were found in the three groups as regards plasma glucose, plasma insulin and glucose/insulin ratio. The different BP levels among the groups were due to an increase in CI: OBP 3.25 +/- 0.13; HNBP 3.76 +/- 0.2; Hypert. 4.76 +/- 36 ml/min/m2 (P < 0.05) but with TPR numerically "normal": OBP: 2139 +/- 106; HNBP 2170 +/- 114; Hypert. 1858 +/- 146 dynes sec. cm-5 m2 (NS). The intracellular pH in platelets was: 7.15 +/- 0.07 in the OBP, 7.21 +/- 0.05 in the HNBP and 7.33 +/- 0.04 in the Hypert. (P < 0.05 in the Hypert. as regards the PAO). The increase of the pHi in the Hypert. suggests hyperactive Na+/H+ exchanger.

[Prevalence of arterial hypertension in a rural population of Buenos Aires]. / Prevalencia de la hipertensión arterial en una población rural bonaerense.

We screened 1.080 individuals of both sexes between 15 and 75 years old of a rural population of Gral. Belgrano (Prov. of Bs As) in order to assess: 1) prevalence of hypertension (HP) 2) state of awareness of the population about hypertension and 3) treatment and control of the hypertensive population. The sample represented 11% of the population between 15 and 75 years old. BP was measured 3 times in one occasion and the average of these determinations was used to state prevalence. The prevalence of HP (BP > or = 140 and/or 90 mmHg) was 39.8% (35.1% for women and 44.9% for men, P < 0.001) (Fig. 2). The prevalence of diastolic hypertension (DHP) was 22.4% in women and 30.1% in men whereas the prevalence of systolic hypertension (SHP) was 9.6% and 12% respectively. 47% of the hypertensive individuals were aware of being hypertensive and 13% of this group were without pharmacological treatment. If we consider the group who was treated (34%) only 7.6% were controlled with the medication. A very high prevalence of this disease was detected in this population. It will be necessary to evaluate obesity and high salt and alcohol intake. The reduction of these risk factors will be of great value for the primary prevention of this disease.

Prevalencia de la hipertensión arterial en una población rural bonaerense. / [Prevalence of arterial hypertension in a rural population of Buenos Aires]

We screened 1.080 individuals of both sexes between 15 and 75 years old of a rural population of Gral. Belgrano (Prov. of Bs As) in order to assess: 1) prevalence of hypertension (HP) 2) state of awareness of the population about hypertension and 3) treatment and control of the hypertensive population. The sample represented 11

of the population between 15 and 75 years old. BP was measured 3 times in one occasion and the average of these determinations was used to state prevalence. The prevalence of HP (BP > or = 140 and/or 90 mmHg) was 39.8

(35.1

for women and 44.9

for men, P < 0.001) (Fig. 2). The prevalence of diastolic hypertension (DHP) was 22.4

in women and 30.1

in men whereas the prevalence of systolic hypertension (SHP) was 9.6

and 12

respectively. 47

of the hypertensive individuals were aware of being hypertensive and 13

of this group were without pharmacological treatment. If we consider the group who was treated (34

) only 7.6

were controlled with the medication. A very high prevalence of this disease was detected in this population. It will be necessary to evaluate obesity and high salt and alcohol intake. The reduction of these risk factors will be of great value for the primary prevention of this disease.

[Prevalence of high normal blood pressure and progression to hypertension in a population sample of La Plata]. / Prevalencia de presión sanguínea normal alta y progresión a hipertensión arterial en una muestra poblacional de La Plata.

In 1985 we investigated the prevalence of high normal blood pressure in 6387 inhabitants (range 15-75 years old) of the city of La Plata and its progression to arterial hypertension after four years. High normal blood pressure was defined as a systolic blood pressure (BP) < 140 mmHg and diastolic BP between 85-89 mmHg (average value of two measurements) on one occasion. Arterial hypertension was defined as a systolic BP > or = 140 mmHg and/or diastolic BP > or = 90 mmHg, both as an average of two measurements on two occasions. High normal BP prevalence was 6.62%, being higher in men than in women (p < 0.0005, Table 1). General progression to hypertension was 41.79%, being higher in the older individuals (p < 0.0005). Of the 423 individuals with high normal BP (Table 2), 268 (63.36%) were found in 1989 (Table 3). They had an incidence of hypertension of 10.45% per year, also higher in older subjects (Table 4). There were no differences between sexes. Subjects with high normal BP who subsequently developed hypertension had higher systolic BP in 1985 than those who remained normotensive (p < 0.001, Table 5). Most of them progressed to mild diastolic hypertension (29.48%) or borderline isolated systolic hypertension (6.72%, Fig. 1). In this study, progression to arterial hypertension was higher than that reported in similar studies for general population in other countries.

Prevalencia de presion sanguinea normal alta y progresion a hipertension arterial en una muestra poblacional de La Plata / Prevalence of high normal blood pressure and progression to hypertension in a population sample of La Plata

En una muestra de 6386 habitantes de 15 a 75 años del radio urbano de la ciudad de La Plata, se investigó la prevalencia de presión sanguínea (PS) normal alta en 1985 y su progresión a hipertensión arterial (HA) luego de cuatro años. Se definió PS normal alta cuando el promedio de dos mediciones de la PS en el domicilio fue menor de 140 mmHg de sistólica y mayor o igual a 85 y menor de 90 mmHg de diastólica. Se diagnosticó HA cuando, en dos visitas separadas, los promedios de dos mediciones de la PS fueron en cada oportunidad iguales o mayores a 140 mmHg de sistólica y/o iguales o mayores a 90 mm%; fue mayor en varones (8,49%) vs 5,35%, p < 0,005). De los 423 individuos con PS normal alta fueron hallados 286 en 1989. El 41,79% progresó a HA en los sujetos con PS normal alta fue 10,45% por año; fue mayor en los grupos etários más viejos y no mostró diferencias entre los sexos. Los individuos con PS normal alta tenían en 1985 la PS sistólica más alta que la de los que se mantuvieron normotensos (p < 0,0001). La mayoria progresó a HA diastólica pregresó a HA diastólica leve y sistólica limítrofe. Esta evolución a HA supera a la señalada en otros países para la población general, motivo por el cual, se debería tener en cuenta a la PS normal alta en a prevención primaria de esta enfermedad

Prevalencia de presión sanguínea normal alta y progresión a hipertensión arterial en una muestra poblacional de La Plata. / [Prevalence of high normal blood pressure and progression to hypertension in a population sample of La Plata]

In 1985 we investigated the prevalence of high normal blood pressure in 6387 inhabitants (range 15-75 years old) of the city of La Plata and its progression to arterial hypertension after four years. High normal blood pressure was defined as a systolic blood pressure (BP) < 140 mmHg and diastolic BP between 85-89 mmHg (average value of two measurements) on one occasion. Arterial hypertension was defined as a systolic BP > or = 140 mmHg and/or diastolic BP > or = 90 mmHg, both as an average of two measurements on two occasions. High normal BP prevalence was 6.62

, being higher in men than in women (p < 0.0005, Table 1). General progression to hypertension was 41.79

, being higher in the older individuals (p < 0.0005). Of the 423 individuals with high normal BP (Table 2), 268 (63.36

) were found in 1989 (Table 3). They had an incidence of hypertension of 10.45

per year, also higher in older subjects (Table 4). There were no differences between sexes. Subjects with high normal BP who subsequently developed hypertension had higher systolic BP in 1985 than those who remained normotensive (p < 0.001, Table 5). Most of them progressed to mild diastolic hypertension (29.48

) or borderline isolated systolic hypertension (6.72

, Fig. 1). In this study, progression to arterial hypertension was higher than that reported in similar studies for general population in other countries.

Prevalencia de presion sanguinea normal alta y progresion a hipertension arterial en una muestra poblacional de La Plata / Prevalence of high normal blood pressure and progression to hypertension in a population sample of La Plata

En una muestra de 6386 habitantes de 15 a 75 años del radio urbano de la ciudad de La Plata, se investigó la prevalencia de presión sanguínea (PS) normal alta en 1985 y su progresión a hipertensión arterial (HA) luego de cuatro años. Se definió PS normal alta cuando el promedio de dos mediciones de la PS en el domicilio fue menor de 140 mmHg de sistólica y mayor o igual a 85 y menor de 90 mmHg de diastólica. Se diagnosticó HA cuando, en dos visitas separadas, los promedios de dos mediciones de la PS fueron en cada oportunidad iguales o mayores a 140 mmHg de sistólica y/o iguales o mayores a 90 mm%; fue mayor en varones (8,49%) vs 5,35%, p < 0,005). De los 423 individuos con PS normal alta fueron hallados 286 en 1989. El 41,79% progresó a HA en los sujetos con PS normal alta fue 10,45% por año; fue mayor en los grupos etários más viejos y no mostró diferencias entre los sexos. Los individuos con PS normal alta tenían en 1985 la PS sistólica más alta que la de los que se mantuvieron normotensos (p < 0,0001). La mayoria progresó a HA diastólica pregresó a HA diastólica leve y sistólica limítrofe. Esta evolución a HA supera a la señalada en otros países para la población general, motivo por el cual, se debería tener en cuenta a la PS normal alta en a prevención primaria de esta enfermedad (AU)

Prevalencia de presión sanguínea normal alta y progresión a hipertensión arterial en una muestra poblacional de La Plata. / [Prevalence of high normal blood pressure and progression to hypertension in a population sample of La Plata]

In 1985 we investigated the prevalence of high normal blood pressure in 6387 inhabitants (range 15-75 years old) of the city of La Plata and its progression to arterial hypertension after four years. High normal blood pressure was defined as a systolic blood pressure (BP) < 140 mmHg and diastolic BP between 85-89 mmHg (average value of two measurements) on one occasion. Arterial hypertension was defined as a systolic BP > or = 140 mmHg and/or diastolic BP > or = 90 mmHg, both as an average of two measurements on two occasions. High normal BP prevalence was 6.62

, being higher in men than in women (p < 0.0005, Table 1). General progression to hypertension was 41.79

, being higher in the older individuals (p < 0.0005). Of the 423 individuals with high normal BP (Table 2), 268 (63.36

) were found in 1989 (Table 3). They had an incidence of hypertension of 10.45

per year, also higher in older subjects (Table 4). There were no differences between sexes. Subjects with high normal BP who subsequently developed hypertension had higher systolic BP in 1985 than those who remained normotensive (p < 0.001, Table 5). Most of them progressed to mild diastolic hypertension (29.48

) or borderline isolated systolic hypertension (6.72

, Fig. 1). In this study, progression to arterial hypertension was higher than that reported in similar studies for general population in other countries.

Respuesta de sujetos sanos a la vacuna anti-hepatitis B plasmo-derivada / Response of healthy subjects to plasma - derived antihepatitis B vaccine -derived

Se presenta una serie de 71 sujetos sanos vacunados con 60 mcgrs de antígeno de superficie del virus B de hepatitis, extraido de plasma de portadores crónicos e inactivado con formalina y calor. La vacuna produjo niveles protectores de anticuerpos contra el antígeno de superficie (> 10 mUl/ml) en el 94.4 de los vacunados. Los efectos colaterales fueron escasos e irrelevantes (15.4%). El grupo de vacuandos que alcanzó títulos de anticuerpos superiores a 100 ml/ml tuvo una media de edad signficativamente menor que el de respuesta inferior a 100 mUl/ml. No hubo diferencia significativa entre las medias de superficie corporal de ambos grupos. Esto indica que el grado de respuesta se asocia con la edad y no con la superficie corporal

Respuesta de sujetos sanos a la vacuna anti-hepatitis B plasmo-derivada / Response of healthy subjects to plasma - derived antihepatitis B vaccine -derived

Se presenta una serie de 71 sujetos sanos vacunados con 60 mcgrs de antígeno de superficie del virus B de hepatitis, extraido de plasma de portadores crónicos e inactivado con formalina y calor. La vacuna produjo niveles protectores de anticuerpos contra el antígeno de superficie (> 10 mUl/ml) en el 94.4 de los vacunados. Los efectos colaterales fueron escasos e irrelevantes (15.4%). El grupo de vacuandos que alcanzó títulos de anticuerpos superiores a 100 ml/ml tuvo una media de edad signficativamente menor que el de respuesta inferior a 100 mUl/ml. No hubo diferencia significativa entre las medias de superficie corporal de ambos grupos. Esto indica que el grado de respuesta se asocia con la edad y no con la superficie corporal (AU)

[Response of healthy subjects to plasma-derived anti-hepatitis B vaccine]. / Respuesta de sujetos sanos a la vacuna anti-hepatitis B plasmo-derivada.

71 healthy individuals were vaccinated against hepatitis B virus. Each person received 60 mcgrs of HBsAg derived from chronic carriers heat-formalin treated plasma. All the vaccinees were tested for anti-HBs and 94.4% of them reached the protective titer (greater than 10 mUI/ml). There were few and no significant side effects (15.4%). Those vaccines with antibody titers higher than 100 mUI/ml were significantly younger than those with antibody titers lower than 100 mUI/ml. There was no significant difference between the body surface means of both groups. Thus, the vaccine level response is not associated with the body surface but with people's age.

Respuesta de sujetos sanos a la vacuna anti-hepatitis B plasmo-derivada. / [Response of healthy subjects to plasma-derived anti-hepatitis B vaccine]

71 healthy individuals were vaccinated against hepatitis B virus. Each person received 60 mcgrs of HBsAg derived from chronic carriers heat-formalin treated plasma. All the vaccinees were tested for anti-HBs and 94.4

of them reached the protective titer (greater than 10 mUI/ml). There were few and no significant side effects (15.4

). Those vaccines with antibody titers higher than 100 mUI/ml were significantly younger than those with antibody titers lower than 100 mUI/ml. There was no significant difference between the body surface means of both groups. Thus, the vaccine level response is not associated with the body surface but with peoples age.

[Knowledge and treatment of hypertension in La Plata, Argentina]. / Conocimiento y tratamiento de la hipertensión en La Plata.

Hypertensive subjects, aged 15-75 years, detected by the survey of Prevalence of Hypertension in La Plata, were evaluated to settle the rates of awareness, treatment, control status and the efficacy of pharmacologic therapy (EPT). The survey was composed of 2,090 subjects when the threshold of hypertension was equal to blood pressure (BP) greater than or equal to 140-90 mm Hg and of 1,203 subjects with a BP threshold greater than or equal to 160-95 mm Hg (Table I). The rates of awareness, treatment and control for the 140-90 mm Hg threshold were 43.97%, 33.06%, 4.9%, respectively, and the EPT was 15.03%. For the 160-95 mm Hg threshold the rates were 69.41%, 54.44% and 27.76% and the EPT was 48.32% (Table 2 and Fig. 1). The awareness and treatment rates for women were greater than those for men (p less than 0.0005) (Table 2). The EPT was similar in both sexes when the 140-90 mm Hg threshold was used while it was greater in women than in men with the 160-95 threshold (p less than 0.014) (Table 2). The rates of awareness and treatment increased with age and with the severity of the disease (Table 3-5). The EPT decreased from 85.71% in the 15-24 yr. age group to 10.56% in the 65-75 yr. age group (Table 4). Although the rates of awareness and treatment of hypertension found in La Plata were similar to those found in USA, the control of the disease was lower.(ABSTRACT TRUNCATED AT 250 WORDS)

Conocimiento y tratamiento de la hipertension en la Plata / Knowledge and treatment of hypertension in la Plata

Se evaluaron los porcentajes de conocimiento, tratamiento farmacológico y control y la eficacia del tratamiento farmecológico (ETF) de los hipertensos de La Plata para dos umbrales de hipertensión arterial (HA). La muestra fueron 2090 hipertensos para el umbral de HA con presión sanguínea (PS) > ou = 140/90 mm Hg y 1203 sujetos para el umbral > ou = 160/90 mm Hg. Los porcentajes de conocimiento, tratamiento farmacológico y ETF fue 15,03. Para el umbral > ou = 160/95 mm Hg los porcentajes de conocimiento, tratamiento farmacológico y control fueron 69,41, 57,44 y 27,76, respectivamente, y la ETF fue 48,32. Los porcentajes de conocimiento y de tratamiento farmacológico fueron significantivamente mayores en las mujeres (p < 0,005). La ETF, para el umbral de HA > ou = 160/95 mm Hg, también fue significativamente mayor en las mujeres (p < 0,014). El conocimiento y el tratamiento farmacológico aumentaron con la edad y con la severidad de la HA. La ETF disminuyó, para el umbral de HA > ou = 140/90 mmHg, de 85,71 en el grupo de 15 a 24 años a 10,56 en el grupo de 65 a 75 años. El conocimiento y el tratamiento fueron muy bajos en los grupos más jovenes y la ETF disminuyó abruptamente a partir del grupo de 35 a 44 años. El bajo porcentaje de control y la alta prevalencia ya comunicada pueden explicar la elevada tasa de mortalidad por enfermedades cardiovasculares hipertensivas que detenta La Plata

Conocimiento y tratamiento de la hipertensión en La Plata. / [Knowledge and treatment of hypertension in La Plata, Argentina]

Hypertensive subjects, aged 15-75 years, detected by the survey of Prevalence of Hypertension in La Plata, were evaluated to settle the rates of awareness, treatment, control status and the efficacy of pharmacologic therapy (EPT). The survey was composed of 2,090 subjects when the threshold of hypertension was equal to blood pressure (BP) greater than or equal to 140-90 mm Hg and of 1,203 subjects with a BP threshold greater than or equal to 160-95 mm Hg (Table I). The rates of awareness, treatment and control for the 140-90 mm Hg threshold were 43.97

, 33.06

, 4.9

, respectively, and the EPT was 15.03

. For the 160-95 mm Hg threshold the rates were 69.41

, 54.44

and 27.76

and the EPT was 48.32

(Table 2 and Fig. 1). The awareness and treatment rates for women were greater than those for men (p less than 0.0005) (Table 2). The EPT was similar in both sexes when the 140-90 mm Hg threshold was used while it was greater in women than in men with the 160-95 threshold (p less than 0.014) (Table 2). The rates of awareness and treatment increased with age and with the severity of the disease (Table 3-5). The EPT decreased from 85.71

in the 15-24 yr. age group to 10.56

in the 65-75 yr. age group (Table 4). Although the rates of awareness and treatment of hypertension found in La Plata were similar to those found in USA, the control of the disease was lower.(ABSTRACT TRUNCATED AT 250 WORDS)