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

Genetically spontaneous hypertension in rats (SHR) showed a significant rise not only in systolic blood pressure in the early age groups, but also, from the 8th week of life onward, in diastolic blood pressure together with a rise in heart rates, when compared with control rats. Following an i.p. glucose injection a disturbed glucose tolerance, increased insulin level and a reduction in plasma triglycerides and cholesterol occurred. These findings in SHR allow to draw interesting analogous conclusions as to the protodiabetic disturbances in carbohydrate metabolism accompanied by insulin enhancement after glucose and diminished glucose- and increased lipogenetic effects, which had been demonstrated by R. BAUMANN et al. in 58% of all studied cases of juvenile human hypertension (Stage I and Stage II, NITSCHKOFF and R. BAUMANN), in which possibly hereditary factors may be involved.
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PMID:Insulin kinetic, glucose tolerance, and lipid metabolism in genetically spontaneous-hypertensive rats. 98 18

Amyotrophic lateral sclerosis and Parkinsonism-dementia are unusually prevalent on Guam. Carbohydrate metabolism was studied in 110 patients with evidence diagnostic of or suspecious for these diseases. The combined incidence of known diabetes in 29 per cent of them plus a high percentage of glucose tolerance tests interpreted as abnormal, even when most age-related criteria were considered, was considerably higher than the incidence of abnormal carbohydrate metabolism reported elsewhere in the general population of the United States, the tropical Pacific area, or in recent surveys on Guam itself. The diabetes was generally mild in nature and noteworthy for a lack of retinopathy and other complications. Hypertension, hypercholesterolemia, and hyperuricemia, although highly prevalent, were not consistently associated with abnormal glucose metabolism. Similarly, no consistent association was demonstrated with such factors as age, muscle atrophy, or physical activity.
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PMID:Abnormal carbohydrate metabolism in amyotrophic lateral sclerosis and Parkinsonism-dementia on Guam. 99 26

A clinical and metabolic study of 61 patients with myoocardial infarct before the age of 40 yr showed a high frequency of familial involvement, particularly in subjects with type IIA and IIB hyperbetalipoproteinaemia. Excess weight and arterial hypertension were rare, while premonitory angina was absent in 59%. Four subjects were diabetic. Oral glucose tolerance was normal in 14 and of diabetic type in 26 of 40 patients examined; the insulin response pointed to insulin-resistance. Dyslipidaemia was noted in 45%, including type IIA and IIB hyperbetalipoproteinaemia in 27%. Distribution of the frequency of infarct in function of cholesterolaemia classes gave a bimodal curve indicative of distinct normo- and hypercholesterolaemic groups within the series. Reduced glucose tolerance was more frequent in patients with low blood cholesterol. This suggests that reduced tolerance and high blood cholesterol are independent risk factors in coronary disease. No relation between the clinical and metabolic data could be ascertained.
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PMID:[Clinical and metabolic aspects of juvenile myocardial infarct]. 99 98

A screening study for coronary disease, chronical bronchitis, diabetes mellitus, hypertension, peripheral circulatory disturbance and overweight is described. 2429 persons aged over 40 years and working in two factories were studied. Typical laboratory tests, a short standardised examination by a physician and a questionnaire were used. In a 10 per cent sample the questionnaire was repeated by an interview and the serum was sent to the laboratory not only by mail, but also by a special car transport in a cooled transport box. The results of the laboratory tests are presend according to age, sex and factory. The family doctor had to be informed in nearly 70 per cent of the men and about 60 per cent of the women because of at least one suspicious symptom or sign. There was a pathological value of glucose in the urine in 14.7 per cent, a rise of glucose in the blood (above 113 mg per cent) in 5.7 per cent, of triglicerides (above 181 mg per cent) in 12.6 per cent, of cholesterol (above 264 mg per cent) in 15.4 per cent, of uric acid (male above 7.7 mg per cent, female above 7.1 mg per cent) in 6.8 per cent, of creatinine (above 1.3 mg per cent) in 6.4 per cent and the presence of albumin in urine in 2.2 per cent of the cases.
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PMID:[Preventive screening in two factories. I. Methods and results (author's transl)]. 100 75

Available clinical evidence indicates a high prevalence of hyperuricemia in patients with essential hypertension; this becomes accentuated with diuretic therapy. Since there is an association of hyperlipidemia with hyperuricuria and hypertension and since hyperuricemia is a feature of diuretic therapy, we explored whether these relationships might be provoked by prolonged diuretic therapy. Eighteen male patients with uncomplicated essential hypertension of mild severity were treated for 9 months with hydrochlorothiazide and supplemental potassium chloride, 100 mg and 45 mEq/day, respectively. Arterial pressure, renal function, and serum electrolyte, uric acid, blood glucose, and lipid concentrations were measured several times before and during therapy. Arterial pressure remained significantly reduced during therapy (P less than 0.001); this was associated with reduced serum potassium (P less than 0.01) and increased blood glucose and serum uric acid concentrations (P less than 0.005, P less than .025, respectively). Blood urea nitrogen, serum creatinine, sodium, cholesterol and triglyceride levels did not significantly change with treatment. Thus, although diuretics increase serum uric acid and blood glucose, their effect on serum lipid concentration is negligible.
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PMID:Effects of diuretics on lipid metabolism in patients with essential hypertension. 107 5

Medrogestone is a progestational agent that may reduce outflow obstruction secondary to benign prostatic hyperplasia. Five of 8 patients taking 15 mg. oral medrogestone twice daily and 5 of 7 patients taking 7.5 mg. oral medrogestone twice daily experienced an increase in mean urine flow (averaging 55.8 and 30.1 per cent, respectively), while no change was noted in 4 untreated patients. Five of the 8 patients taking 15 mg. and 6 of the 7 patients taking 7.5 mg. experienced an increase in peak urine flow (averaging 60 and 37.6 per cent, respectively), while 2 of the 4 controls had an improvement of only 12.2 per cent. Repetitive residual urines and digital examination were inaccurate to assay sequential changes in prostatic size. Certain side effects, such as hypertension, abnormal glucose tolerance and impotence, were encountered in isolated patients but in no instance was the side effect hazardous to the health of the test subject and in each instance it could be reversed by withdrawal of the medication.
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PMID:Medrogestone: a prospective study in the pharmaceutical management of benign prostatic hyperplasia. 109 40

In this research involving 172 cases of acute primary polyradiculoneuritis, the authors draw attention to the frequency and seriousness of the autonomic disorders, notably circulatory disorders (arterial hypertension, bradycardia), water retention, disorders in glucose metabolism. They have found a close correlation between the development of arterial hypertension and levels of VMA and the cathecholamines and between the appearance of hyperglycaemia and the level of urinary 17 OH. Free water clearance is often negative and becomes positive as the paralytic syndrome improves. The biological picture is identical with that brought about by inappropriate secretion of HAD. From the therapeutic point of view, caution is advised in using certain procedures and in prescribing certain drugs.
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PMID:[Dysautonomia in acute primary polyradiculoneuritis]. 113 54

In order to determine whether the development of myocardial infarction in different countries is associated with different risk factors, 240 male survivors, aged 40 or less, were studied in nine countries. In the seven centres in developed countries (Auckland, Melbourne, Los Angles/Atlanta, Cape Town, Tel Avic, Heidelberg, and Edinburgh) there was a high procedure of risk factors, particularly of hyperlipidaemia and cigarette smoking. The prevalence of hypertension, obesity, hyperglycaemia, and hyperuricaemia varied from centre to centre. Risk factors were less prevalent in Bombay and Singapore: the most common risks operating in Bombay seemed to be cigarette smoking and hyperglycaemia, while in Singpore cigarette smoking was the commonest. The mean age of the whole group was 35.4 years. Serum cholesterol levels of 7.25 mmol/l (280 mg/dl) or more were present in 25 per cent of all patients, serum triglyceride levels of 2.26 mmol/l )l200 mg/dl) or more in 35 per cent. 80 per cent of the patients were smokers, and 15 per cent were either for hypertension before myocardial infarction or had a raised blood pressure after myocardial infarction. Obesity was found in 19 per cent of all patients and serum uric acid levels over 0.5 mmol/l (8.5 mg/dl) in 17 per cent. 10 per cent of all patients were either treated for diabetes mellitus before myocardial infarction or showed an abnormal glucose tolerance after myocardial infarction. This collaborative study may help, by showing differences in the prevalence of risk factors, to indicate to each centre and to national and to international organizations, the direction for their future studies into the causation and prevention of myocardial infarction in young men.
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PMID:Myocardial infarction in young men. Study of risk factors in nine countries. 113 58

Fourteen patients with bilateral internal carotid artery thrombosis were analysed with respect to long-term prognosis and the prevalence of risk factors of cerebrovascular disease. The patients comprised seven per cent of all patients with internal carotid thrombosis treated in 1966-73 at the Department of Neurology, University of Helsinki. During the follow-up period of 3 to 86 months (median 50 months) five patients died, three during the first, and two during the second year of follow-up. Of the surviving patients: two needed institutionalization; three were able to take care of themselves; and four who were virtually symptom-free, were able to work. The risk factors of cerebrovascular disease were analysed: 91 per cent were cigarette smokers; 70 per cent had serum triglycerides of 140 mg/100ml or higher; and 62 per cent had cholesterol values of 280 mg/100 ml or higher. Fasting glucose values higher than 95 mg/100 ml, and ECG abnormalities were encountered in every third, and obesity and hypertension in every fourth patient. Cigarette smoking and high triglycerides were more prevalent than in the general population. No association between the number of risk factors in the individual patients and the prognosis could be found.
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PMID:Bilateral internal carotid artery thrombosis. Prognosis and risk factors. 114 2

In seven patients with chronic renal failure in an advanced stage 17 episodes of upper abdominal pain, hypertension, vomiting and (in some of them) coma occurred during peritoneal dialysis with sorbitol-containing dialysate. The signs recurred in some of the patients but did not when glucose-containing dialysate of otherwise identical composition was used. Very high levels of sorbitol in CSF and serum were measured in the comatose patients. The precipitating factor is probably a reduced metabolic breakdown of sorbitol in renal failure with preferential intracellular deposition of sorbitol and subsequent cellular oedema. To avoid this dangerous reaction it is necessary to use glucose instead of sorbitol in peritoneal dialysates, despite the technical problems of sterilisation. Where this is not possible, glucose should be added in order to reduce the sorbitol concentration in the dialysate to less than 15g/l.
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PMID:[Severe side-effects during peritoneal dialysis caused by sorbitol-containing dialysate (author's transl)]. 114 25


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