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Query: UMLS:C0020538 (hypertension)
 170,190 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This study was made to determine whether zinc deficiency is one of the factors involved in growth retardation of infants of high-risk pregnancies. The high risk factors were hypertension of pregnancy, diabetes mellitus, congenital heart disease, chronic nephritis, rheumatic heart disease and hyperthyroidism. 102 neonatal infants were divided into 3 groups: breast fed group, 37 cases; test group, 32 cases formula-fed with supplementary zinc 1.14-2.28 mg/kg/d; and control group, 33 cases formula-fed and supplemented with Vitamin B complex as placebo. The groups were divided by double-blind and randomized method. There were no differences in the 3 groups in sex ratio, growth status and serum zinc concentration at the beginning of the study. Anthropometric data were obtained at 0, 3 and 6 months.
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PMID:Growth promoting effect of zinc supplementation in infants of high-risk pregnancies. 129 Dec 3

Patients with diabetes mellitus are at increased risk of morbidity and mortality from macrovascular disease manifesting as coronary heart disease, cerebrovascular accidents, and peripheral vascular disease. Increased frequency of dyslipidemia, hyperglycemia, obesity, hypertension, and associated nephropathy may contribute to accelerated atherogenesis in diabetic patients. Therefore, besides intensive control of hyperglycemia, management of dyslipidemia, hypertension, and obesity should also be emphasized in diabetic patients. Those who smoke should be strongly encouraged to quit smoking. Besides attempts to achieve normal levels of plasma lipoproteins, consideration also should be given to normalization of compositional abnormalities of various lipoproteins in patients with diabetes mellitus. The therapeutic goals for cholesterol reduction should be lower in diabetic patients than nondiabetic subjects. The first step is to achieve good metabolic control of diabetes mellitus by diet, exercise, and weight reduction and, if needed, with sulfonylureas or insulin therapy. Because most of the patients with insulin-dependent diabetes mellitus achieve normal levels of plasma lipoproteins with intensive insulin therapy, lipid-lowering medications are rarely needed. In patients with non-insulin-dependent diabetes mellitus, however, dyslipidemia often persists despite good glycemic control. Lipid-lowering medications should be considered in such patients. Because nicotinic acid can cause marked deterioration in glycemic control, and bile acid-binding resins may accentuate hypertriglyceridemia, these agents are less desirable for use by diabetic patients. Inhibitors of hydroxymethylglutaryl coenzyme A reductase may be preferred in patients with elevated LDL cholesterol and mld hypertriglyceridemia. For diabetic patients with marked hypertriglyceridemia, however, fibric acid derivatives should be the drug of choice.
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PMID:Lipid-lowering therapy and macrovascular disease in diabetes mellitus. 152 29

The study was conducted to provide reference values of anthropometry and dietary intakes of elderly Chinese aged greater than or equal to 70 years and to investigate differences between urban and rural groups. A total of 441 subjects comprising 260 urban elderly (126 men and 134 women) and 181 rural elderly (83 men and 98 women) participated in the anthropometric study. One hundred subjects (50 men and 50 women) from both urban and rural locations were selected randomly from the anthropometric cohort for dietary survey using the method of diet recall. For both men and women, the urban elderly had significantly higher intakes of protein, fat, calcium, iron, retinol, thiamin, riboflavin and nicotinic acid than did the rural elderly. Significant sexual differences were also observed: men had higher intakes of total energy and three macronutrients than women. Both regional and sexual differences in anthropometry (but not blood pressure) seemed to be consistent with the results of the dietary survey. Positive correlations were found between systolic blood pressure and the ratio waist:hip circumference for both men and women. As a marker of adipose tissue distribution, it seemed that this ratio was more predictive of high blood pressure than body-weight.
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PMID:Anthropometric and dietary survey of elderly Chinese. 177 65

Cardiovascular disease, and in particular ischemic heart disease, is the principal cause of morbidity, functional disability, and mortality in patients with non-insulin-dependent (type II) diabetes. The main risk factors for the macrovascular complications of diabetes are dyslipidemia, hypertension, and cigarette smoking. Although degree of hyperglycemia is a risk factor for microvascular complications, it is not a prominent risk factor for macrovascular complications. Nevertheless, there are theoretical reasons for believing that glycemic control could lower cardiovascular risk. For example, glycemic control may both improve clearance and suppress hepatic overproduction of very-low-density lipoprotein. Moreover, there is direct empirical evidence that improved glycemic control can favorably alter lipid profiles in type II diabetic patients. Despite this, the only clinical trial that has assessed cardiovascular mortality as an end point in diabetic subjects (i.e., the University Group Diabetes Program) failed to demonstrate a benefit of glycemic control. In this study, the insulin-variable group, which achieved sustained glycemic control relative to the placebo group, had essentially the same cardiovascular mortality as the latter group. All of the conventional lipid-lowering agents have been shown to produce favorable changes in lipid profiles in diabetic subjects. However, the optimum regimen remains to be defined. Metabolic differences between diabetic and nondiabetic subjects mean that the optimum lipid-lowering regimens for the two categories of patients may differ. For example, nicotinic acid, which is a powerful lipid-altering drug, may worsen glucose intolerance. The characteristic lipid abnormalities in type II diabetic subjects are hypertriglyceridemia and low high-density lipoprotein cholesterol, not hypercholesterolemia. Although the role of hypertriglyceridemia as a cardiovascular risk factor in the general population has been questioned, there is evidence that this lipid abnormality may play a stronger role in diabetic subjects. For all of the above reasons, there is an urgent need for large-scale clinical trials assessing cardiovascular end points and testing various strategies of improving lipid profiles in diabetic subjects, particularly given the fact that all of the current generation of lipid-lowering trials have systematically excluded diabetic patients.
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PMID:Dyslipidemia in type II diabetes. Implications for therapeutic intervention. 177 1

Sanatorium treatment results were evaluated for 31 patients suffering from dyscirculatory encephalopathy following atherosclerosis, arterial hypertension or both of them. Combined treatment involving chlorine-sodium baths, electrophoresis of 1% nicotinic acid according to the oculo-occipital technique, physical exercise, massage of the head, diet produced a marked positive effect on general brain symptoms, cerebral hemodynamics, lipid metabolism and coagulation. A subjective response was recorded in 90.3% of the patients.
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PMID:[The efficacy of the combined health resort treatment of patients with early circulatory encephalopathy]. 179 19

Coronary heart disease is the leading cause of death among patients with non-insulin-dependent diabetes mellitus (NIDDM). NIDDM patients have a high frequency of dyslipidemia, which along with obesity, hypertension, and hyperglycemia may contribute significantly to accelerated coronary atherosclerosis. Because risk factors for coronary heart disease are additive and perhaps multiplicative, even mild degrees of dyslipidemia may enhance coronary heart disease risk. Therefore, therapeutic strategies for management of NIDDM should give equal emphasis to controlling hyperglycemia and dyslipidemia. The National Cholesterol Education Program recently issued guidelines for treatment of hyperlipidemia in adults including diabetic patients. Because of the unique features of diabetic dyslipidemia, however, we suggest that certain modifications in these guidelines be made to meet specific needs of diabetic patients. For example, therapeutic goals for serum cholesterol reduction should be lower in diabetic patients than in nondiabetic subjects. Particular emphasis should be given to weight reduction in NIDDM patients. In some diabetic patients, monounsaturated fatty acids may be a better replacement for saturated fatty acids than carbohydrates. The target for cholesterol lowering should include both very-low-density lipoprotein and low-density lipoprotein (LDL) (non-high-density lipoprotein) rather than LDL alone. To obtain a substantial reduction of cholesterol levels, drug therapy may be required in many patients. However, first-line drugs for nondiabetic patients (nicotinic acid and bile acid sequestrants) may be less desirable in NIDDM patients than hydroxymethylglutaryl coenzyme A (HMG CoA) reductase inhibitors and even fibric acids. In fact, HMG CoA reductase inhibitors may be the drugs of choice for NIDDM patients with elevated LDL cholesterol and borderline hypertriglyceridemia, whereas gemfibrozil appears preferable for NIDDM patients with severe hypertriglyceridemia.
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PMID:Management of dyslipidemia in NIDDM. 219 Jul 70

Reasons for the current emphasis on cholesterol as coronary risk factor are multiple. On one hand current studies have shown that primary as well as secondary prevention of ischemic heart disease is a realistic possibility with lipid lowering measures. On the other hand new drugs are actually available which permit a potent and adapted therapy of hyperlipidemias. According to new guidelines of the Swiss "lipid task force" screening for hypercholesterolemia is recommended. A cholesterol value greater than 6.5 mmol/l should be investigated and treated. Because a great proportion of adult Swiss fall into this category (approximately 1/3) it is essential that all those are efficiently treated that have markedly abnormal cholesterol values or present with other risk factors such as smoking and hypertension or have a personal or familiar history of ischemic heart disease. Because progression is likely in patients with or after manifest ischemic heart disease even when hypercholesterolemia is mild (over 5.2 mmol/l) all patients presenting with an infarct should be investigated for dyslipidemia. Cholesterol, triglycerides and HDL should be determined. Dietary measures are the basis of every attempt to reduce hyperlipidemia. Most importantly intake of saturated fats prevailing in animal products should be restricted. The next important step is reduction of dietary cholesterol and in obese patients also caloric restriction. Lipid lowering agents are recommended in patients at risk who do not respond to or comply with dietary regimens. According to type of dyslipidemia bile-acid-binding resins, fibrates, nicotinic acid or HMG-CoA reductase inhibitors are available.
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PMID:[Lipid-lowering therapy in the prevention of coronary heart disease]. 221 47

The prevalence of mild and moderate hypercholesterolemia among the middle-aged population of the G.D.R. is about 30%. Thus, this is the most important risk factor for coronary heart diseases. Primary therapeutic techniques are elimination of overweight, low-fat diet, rich in monoenic and polyenic acids, and increase of physical activity. When by these measures a decrease of cholesterol to 5.2-5.5 mmol/l is not achieved the introduction of lipid drugs is to be considered in dependence on the individual risk (associated risk factors like smoking, hypertension, diabetes, low HDL-cholesterol). In case of mild to moderate polygenic hypercholesterolemia cholestyramine, nicotinic acid and modern fibrates have the priority. Familial hypercholesterolemia demands as a rule the introduction of statins (e.g. lovastatin) or combinations of the above mentioned lipid drugs or the combination of cholestyramine and lovastatin, resp. In this way the prognosis even of patients with severe familial hypercholesterolemia can be improved decisively. Considering the fact that this would be a life-accompanying therapy a thorough consideration of the risk/benefit ratio and an adequate medical supervision are necessary.
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PMID:[Guidelines for the treatment of hypercholesterolemia]. 224 95

Experiments on rabbits with pituitrin hypertension have demonstrated activation of Na+, K+-ATPase of red cell membranes. Meanwhile ATPase activity declined in vasorenal hypertension. The vasodilatory drugs (papaverine, pentamine, euphylline, nicotinic acid) administered in courses normalized both the activity of transport ATPases of cell membranes and carbohydrate metabolism of blood vessels, which was disturbed in experimental vascular pathology.
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PMID:[Effect of vasodilator preparations on the ATPase activity of the erythrocyte membranes of rabbits with experimental vascular pathology]. 241 92

In experiments on rabbits with pituitrin and vasorenal hypertension, the 7-day administration of nicotinic acid (4 mg/kg) produced distinct changes in carbohydrate-energy metabolism in blood vessels of different functions. The metabolic effects of nicotinic acid were dependent on the type of vascular pathology and functional features of blood vessels.
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PMID:[Metabolic effects of nicotinic acid in different types of experimental vascular pathology in rabbits]. 241 93


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