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beta carotene/infartarse
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Beta-carotene intake and risk of nonfatal acute myocardial infarction in women.
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There are indications that beta-carotene, but not pre-formed vitamin A, is protective on the risk of acute myocardial infarction (AMI). The relationship between nonfatal AMI and the intake of beta-carotene and retinol was investigated in a case-control study conducted between 1983 and 1992 in
Role of lipoperoxidation in the remodeling intensification induced by beta-carotene after infarction.
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BACKGROUND
The mechanisms involved in the biggest remodeling caused by the post-infarct beta-carotene are unknown.
OBJECTIVE
To analyze the role of lipoperoxidation in the ventricular remodeling after infarct of the myocardium in rats supplemented with beta-carotene.
METHODS
Rats were infarcted and
Effects of beta-carotene and smoking on heart remodeling after myocardial infarction.
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OBJECTIVE
To analyze the effects of beta-carotene on the ventricular remodeling process following myocardial infarction (MI) in rats exposed to cigarette smoke.
METHODS
After acute myocardial infarction (AMI), the animals were divided into four groups: 1) Group C, 24 animals that were given standard
Low serum lycopene and β-carotene increase risk of acute myocardial infarction in men.
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OBJECTIVE
Previous studies have shown that high intake or concentrations of serum carotenoids may protect against acute myocardial infarction (AMI). The role of carotenoids on the risk of AMI remains inconsistent. The aim of the present study was to examine if serum concentrations of major
Association between beta-carotene and acute myocardial infarction depends on polyunsaturated fatty acid status. The EURAMIC Study. European Study on Antioxidants, Myocardial Infarction, and Cancer of the Breast.
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Because antioxidants may play a role in the prevention of coronary heart disease by inhibiting the peroxidation of polyunsaturated fatty acids (PUFAs), the combined association of diet-derived antioxidants and PUFAs with acute myocardial infarction (MI) was investigated. This multicenter
beta-carotene attenuates the paradoxical effect of tobacco smoke on the mortality of rats after experimental myocardial infarction.
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The objective of this study was to investigate the effects of exposure to tobacco smoke (ETS) in rats that were or were not supplemented with dietary beta-carotene (BC), on ventricular remodeling and survival after myocardial infarction (MI). Rats (n = 189) were allocated to 4 groups: the control
Randomised trial of alpha-tocopherol and beta-carotene supplements on incidence of major coronary events in men with previous myocardial infarction.
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BACKGROUND
Epidemiological data suggest that the intake of antioxidants such as alpha-tocopherol (vitamin E) and beta-carotene has an inverse correlation with the incidence of coronary heart disease. The results from clinical trials of antioxidant supplementation in people with known coronary heart
Beta-carotene supplementation results in adverse ventricular remodeling after acute myocardial infarction.
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OBJECTIVE
We studied the effects of beta-carotene (BC) on ventricular remodeling after myocardial infarction.
METHODS
Myocardial infarction was induced in Wistar rats that were then treated with a BC diet (500 mg/kg of diet per day; MI-BC; n = 27) or a regular diet (MI; n = 27). Hearts were analyzed
Effect of vitamin E and beta carotene on the incidence of primary nonfatal myocardial infarction and fatal coronary heart disease.
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BACKGROUND
Oxidized low-density lipoprotein is involved in the pathogenesis of atherosclerosis. In epidemiological studies antioxidants have been inversely related with coronary heart disease. Findings from controlled trials are inconclusive.
METHODS
We studied the primary preventive effect of
Baseline characteristics of participants in the Physicians' Health Study: a randomized trial of aspirin and beta-carotene in U.S. physicians.
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The Physicians' Health Study is a randomized, double-blind, placebo-controlled trial of primary prevention designed to assess the effects of low-dose aspirin on cardiovascular disease and of beta-carotene on risks of cancer. A total of 22,071 U.S. male physicians 40 to 84 years of age were
Plasma antioxidants and lipid peroxidation in acute myocardial infarction and thrombolysis.
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OBJECTIVE
The aim of this study was to investigate the balance between prooxidative and protective mechanisms in patients with acute myocardial infarction (AMI) throughout streptokinase (STK) therapy.
METHODS
Patients who presented to coronary care unit within 3 hours of infarction were followed.
Randomized, double-blind placebo-controlled trial of coenzyme Q10 in patients with acute myocardial infarction.
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The effects of oral treatment with coenzyme Q10 (120 mg/d) were compared for 28 days in 73 (intervention group A) and 71 (placebo group B) patients with acute myocardial infarction (AMI). After treatment, angina pectoris (9.5 vs. 28.1), total arrhythmias (9.5% vs. 25.3%), and poor left ventricular
Plasma carotenoids and risk of acute myocardial infarction in the Singapore Chinese Health Study.
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OBJECTIVE
Modification of low-density lipoprotein due to oxidative stress is essential in the development of coronary atherosclerosis. Data of specific carotenoids except β-carotene on cardioprotective effects in humans are limited.
RESULTS
This study examined the associations between plasma
Some dietary and adipose tissue carotenoids are associated with the risk of nonfatal acute myocardial infarction in Costa Rica.
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Antioxidants, particularly carotenoids and tocopherols, may protect against cardiovascular disease. The objective of this study was to determine whether dietary and adipose tissue carotenoids and tocopherols are associated with the risk of myocardial infarction (MI). Cases (n = 1456) of a first
[Anti-necrosogenic action of natural and synthetic antioxidants in coronary occlusive myocardial infarct].
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The synthetic liposoluble antioxidant BAT. 120 mg/kg, was found to produce markedly protective effects in a rat model of coronary occlusive myocardial infarction, whereas the water soluble BAT analogue, 4-Oxy-3,5-ditretbutylphenyl phosphonic acid sodiate (SFN-6), 100 mg/kg, displayed no protective
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