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Alberto Zanchetti: Influence Statistics

BACKGROUND: Daily aspirin reduces the long-term risk of death due to cancer. However, the short-term effect is less certain, especially in women, effects on cancer incidence are largely unknown, and the time course of risk and benefit in primary prevention is unclear. We studied cancer deaths in all trials of daily aspirin versus control and the time course of effects of low-dose aspirin on cancer incidence and other outcomes in trials in primary prevention.

METHODS: We studied ...

OBJECTIVE: To compare the effects of the angiotensin II antagonist, losartan, with those of atenolol on left ventricular hypertrophy (LVH), blood pressure and neurohormone concentrations in hypertensive patients with LVH.

DESIGN: A multinational, randomized, double-blind trial.

SETTING: Hospital.

PATIENTS: Hypertensive patients with an echocardiographically documented left ventricular mass index (LVMI) 120 g/m(2) (men) or 105 g/m(2) (women).

INTERVENTIONS: Patients allocated randomly to ...

BACKGROUND: Despite treatment, there is often a higher incidence of cardiovascular complications in patients with hypertension than in normotensive individuals. Inadequate reduction of their blood pressure is a likely cause, but the optimum target blood pressure is not known. The impact of acetylsalicylic acid (aspirin) has never been investigated in patients with hypertension. We aimed to assess the optimum target diastolic blood pressure and the potential benefit of a low dose of ...

BACKGROUND: In cross-sectional studies, ambulatory blood pressure (ABP) correlates more closely than clinic BP with the organ damage of hypertension. Whether ABP predicts development or regression of organ damage over time better than clinic BP, however, is unknown.

METHODS AND RESULTS: In 206 essential hypertensive subjects with left ventricular hypertrophy (LVH), we measured clinic supine BP, 24-hour ABP, and left ventricular mass index (LVMI, echocardiography) before and after 12 ...

OBJECTIVE: The Gubbio Study is an Italian population study measuring risk factors for and incidence of major cardiovascular diseases. This analysis investigates the association of serum uric acid with the incidence of coronary and cardiovascular events.

METHODS: A population sample of 2469 men and women aged 35-74 years, free from major cardiovascular diseases and in whom serum uric acid was measured in 1983 along with other standard risk factors, were followed up for 6 years and the ...

BACKGROUND: Isolated systolic hypertension occurs in about 15% of people aged 60 years or older. In 1989, the European Working Party on High Blood Pressure in the Elderly investigated whether active treatment could reduce cardiovascular complications of isolated systolic hypertension. Fatal and non-fatal stroke combined was the primary endpoint.

METHODS: All patients (> 60 years) were initially started on masked placebo. At three run-in visits 1 month apart, their average sitting ...

OBJECTIVE: To compare the incidence of stroke and other cardiovascular events in hypertensive patients receiving a low-dose diuretic and low-dose calcium antagonist combination with those receiving low-dose diuretic monotherapy, and assess the effects of a small blood pressure difference at achieved levels lower than those achieved in previous placebo-controlled trials.

METHODS: The Felodipine Event Reduction (FEVER) trial was an investigator-designed, prospective, multicentre, ...

BACKGROUND: It is unclear whether the carotid intima-media thickness can be influenced by antihypertensive treatment and whether some antihypertensive agents, such as calcium antagonists, may have a greater effect on this parameter than others, such as diuretics. The present paper reports the principal results of the ultrasound substudy of the randomized, prospective, controlled, Verapamil in Hypertension and Atherosclerosis Study (VHAS).

DESIGN AND METHODS: In 498 hypertensive patients ...

BACKGROUND: The possibility that calcium antagonists exert an anti-atherosclerotic action at least partly independently of the blood-pressure-lowering effect is supported by results of a large number of experimental studies and can now be investigated by quantitative B-mode ultrasound imagining of the carotid artery walls.

DESIGN: The European Lacidipine Study on Atherosclerosis (ELSA) is a prospective, randomized, double-blind, multinational trial comparing effects of 4-year treatment ...

BACKGROUND: The cardiac effects of hypertension include a variety of structural changes such as increases in left ventricular mass (LVM) and left atrium (LA) size. Although data on hypertension-induced left ventricular changes are extensive, relatively little information is available on LA size from large-scale studies.

OBJECTIVE: We sought to assess the prevalence of LA enlargement in a large selected hypertensive population and to determine the relations of LA size to several biologic ...

This double-blind, multicenter trial compared antihypertensive efficacy, tolerability, and impact on quality of life of manidipine and amlodipine in patients with mild-to-moderate essential hypertension. Patients were randomly assigned to 48 weeks of once-daily manidipine, 10-20 mg, or amlodipine, 5-10 mg. Patients who did not respond to treatment after 12 weeks were also given enalapril, 10-20 mg, for the study's duration. The main efficacy end point was equivalence in sitting systolic ...

BACKGROUND AND OBJECTIVES: In 68 randomized controlled trials (RCTs), blood pressure (BP) lowering was obtained by using drugs of different classes. We have investigated whether BP lowering by any of the major drug classes is effective in reducing the cardiovascular outcomes.

METHODS: A total of 55 RCTs (19,5 267 individuals) were suitable for drug-class meta-analyses. Risk ratios and their 95% confidence intervals of seven fatal and nonfatal outcomes were estimated by a random-effects ...