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      Eficácia e tolerabilidade da associação bisoprolol/hidroclorotiazida na hipertensão arterial Translated title: Efficacy and tolerability of the bisoprolol/hydrochlorothiazide combination in the treatment of arterial hypertension.

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          Abstract

          OBJETIVO: Estudo multicêntrico, aberto e não comparativo, para avaliar a eficácia e a tolerabilidade de dois agentes anti-hipertensivos combinados em doses baixas: o beta-bloqueador cardiosseletivo bisoprolol (2,5 e 5,0mg) com 6,25mg de hidroclorotiazida. MÉTODOS: Cento e seis pacientes com hipertensão arterial nos estágios I e II (leve a moderada) receberam a combinação bisoprolol/hidroclorotiazida, em uma única dose diária, e foram submetidos a uma avaliação da pressão arterial sistólica (PAS) e pressão arterial diastólica (PAD), durante 8 semanas. RESULTADOS: A combinação bisoprolol/hidroclorotiazida reduziu significativamente os valores médios iniciais da PAS (157,4mmHg para 137,3mmHg) e da PAD (98,8mmHg para 87,4mmHg). Ao final do estudo, 61% haviam normalizado a PA (<90mmHg) e 22,9% deles foram responsivos ao tratamento, resultando em elevada taxa de resposta terapêutica (normalizados + responsivos) - total de 83.9% dos casos. Eventos adversos foram descritos em 18,9% dos pacientes, sendo os mais freqüentes: tontura e cefaléia. Não se observaram alterações clinicamente significativas nos níveis plasmáticos de glicose, potássio, ácido úrico e perfil lipídico. CONCLUSÃO: A combinação bisoprolol/hidroclorotiazida em baixas doses pode ser considerada uma alternativa racional, eficaz e bem tolerada para o tratamento inicial da hipertensão arterial leve ou moderada.

          Translated abstract

          PURPOSE: Multicenter, open and non-controlled study to evaluated the efficacy and the tolerability of a low-dose combination of two anti-hypertensive agents: a cardioselective beta-blocker, bisoprolol (2.5 and 5.0mg) with 6.25mg of hydrochlorothiazide. METHODS: One hundred and six patients in the stage I and stage II of the systemic hypertension (mild to moderate) were given the bisoprolol/hydrochlorothiazide combination once daily and the diastolic and systolic blood pressures were monitored during the 8-week trial. RESULTS: The bisoprolol/hydrochlorothiazide combination reduced the initial mean values of systolic and diastolic blood pressures, respectively, from the 157.4mmHg and 98.8mmHg to 137.3mmHg and 87.4mmHg. At the end of the treatment period, 61% of the patients normalized blood pressure values (<90mmHg) and 22.9% of them had responded to the treatment, resulting in a total response rate (normalized + responsive) of 83.9% of cases. Adverse events were described only in 18.9% of the patients and dizziness and headache were the most common. There were no clinically significant changes on plasma levels of potassium, uric acid, glucose, or in the lipid profile. CONCLUSION: The combination of low dosages of bisoprolol and hydrochlorothiazide may be considered an effective, well tolerated and rational alternative for the initial treatment of the patients with mild to moderate hypertension.

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          Most cited references29

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          Blood pressure as a cardiovascular risk factor: prevention and treatment.

          W Kannel (2015)
          - To examine the prevalence, incidence, predisposing factors for hypertension, its hazards as an ingredient of the cardiovascular risk profile, and the implications of this information for prevention and treatment. - Prospective longitudinal analysis of 36-year follow-up data from the Framingham Study of the relation of antecedent blood pressure to occurrence of subsequent cardiovascular morbidity and mortality depending on the metabolically linked burden of associated risk factors. - Hypertension is one of the most prevalent and powerful contributors to cardiovascular diseases, the leading cause of death in the United States. There is, on average, a 20 mm Hg systolic and 10 mm Hg diastolic increment increase in blood pressure from age 30 to 65 years. Isolated systolic hypertension is the dominant variety. There is no evidence of a decline in the prevalence of hypertension over 4 decades despite improvements in its detection and treatment. Hypertension contributes to all of the major atherosclerotic cardiovascular disease outcomes increasing risk, on average, 2- to 3-fold. Coronary disease, the most lethal and common sequela, deserves highest priority. Hypertension clusters with dyslipidemia, insulin resistance, glucose intolerance, and obesity, occurring in isolation in less than 20%. The hazard depends on the number of these associated metabolically linked risk factors present. Coexistent overt cardiovascular disease also influences the hazard and choice of therapy. - The absence of a decline in the prevalence of hypertension indicates an urgent need for primary prevention by weight control, exercise, and reduced salt and alcohol intake. The urgency and choice of therapy of existing hypertension should be based on the multivariate cardiovascular risk profile that more appropriately targets hypertensive persons for treatment and prevention of cardiovascular sequelae.
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            Alcohol consumption and hypertension.

            S MacMahon (1987)
            An increased prevalence of hypertension in groups with high alcohol consumption has been recognized for a number of years. More recently, several studies have suggested an independent association between alcohol consumption and blood pressure levels in samples from general populations. Of 30 cross-sectional population studies reviewed, the majority reported small but significant elevations in blood pressure in those consuming three drinks or more per day in comparison with nondrinkers. In 25% of studies, elevations in blood pressure were also reported at lower levels of consumption; in about 40%, the blood pressure of nondrinkers was greater than that of those consuming one to two drinks per day. In two studies, one from the United States and one from Australia, the maximum contribution to the prevalence of hypertension of alcohol consumption greater than two drinks per day was estimated to be 5 to 7%; the contribution in men (11%) was greater than that in women because of their greater alcohol consumption. A prospective association of alcohol consumption with change in blood pressure was observed in five studies. In a small number of experimental studies, short-term falls in blood pressure accompanied alcohol restriction in both normotensive and hypertensive subjects. Uncontrolled observations in heavy drinking populations suggest that the effect on blood pressure of alcohol withdrawal may be lasting. However, firm conclusions about the long-term effects of alcohol restriction, particularly in moderate consumers who represent a large proportion in many populations, must await long-term controlled trials.
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              The Sixth Report of the National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC VI)

              (1997)
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                Author and article information

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                Journal
                abc
                Arquivos Brasileiros de Cardiologia
                Arq. Bras. Cardiol.
                Sociedade Brasileira de Cardiologia - SBC (São Paulo )
                1678-4170
                October 1998
                : 71
                : 4
                : 601-608
                Article
                S0066-782X1998001000008
                10.1590/S0066-782X1998001000008
                09927ebb-e6cc-46c9-80eb-3f6fb9361e61

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0066-782X&lng=en
                Categories
                CARDIAC & CARDIOVASCULAR SYSTEMS

                Cardiovascular Medicine
                hypertension arterial,low dosage of antihypertensive agents,bisoprolol/hydrochlorothiazide combination,hipertensão arterial,agentes anti-hipertensivos em baixas doses,combinação bisoprolol/hidroclorotiazida

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