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Query: UMLS:C0028754 (obesity)
 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Pure systolic hypertension (PSH) is mainly observed in subjects over 60 years of age, and it is always due to a loss of compliance of the greater arteries. Blood pressure itself is partly responsible for loss of compliance, but other factors have been suggested. We have investigated this matter in a study of 3,388 subjects aged from 20 to 69 years. In a first stage, PSH patients (systolic BP greater than or equal to 160; diastolic BP less than 95 mmHg), aged from 50 to 59 years, were compared with normotensive subjects (systolic BP less than 140; diastolic BP less than 95 mmHg) and with other types of hypertensive patients with regard to cigarette smoking, alcohol consumption, obesity and plasma cholesterol, triglycerides, gamma-GT, glucose and uric acid levels. Several of these variables were significantly higher in all hypertensive patients than in normotensive subjects, but cigarette smoking and gamma-GT levels were predominantly or exclusively higher in PSH patients. In a second stage, correlations between differential BP and the variables listed above were studied in subjects with two levels of diastolic BP: 70-79 and 80-89 mmHg, thus taking into account all degrees between normal BP and PSH proper. Weakly positive correlations were found with alcohol consumption, plasma gamma-GT and glucose levels, and with percentages of smokers or ex-smokers. It is therefore conceivable that in addition to BP itself other factors, such as alcohol consumption, cigarette smoking and hyperglycaemia, contribute to the loss of arterial compliance progressively leading to pure systolic hypertension.
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PMID:[Are there risk factors for pure systolic hypertension?]. 311 68

Seven patients developed acute hepatitis after receiving Plethoryl for obesity for 4 to 16 weeks. Jaundice was generally associated with or preceded by asthenia, nausea and pruritus. Serum aminotransferase activities were markedly increased whereas alkaline phosphatase and gamma-glutamyltransferase activities were moderately elevated. There was no hepatic failure. In all cases, Plethoryl administration was promptly discontinued. In 6 cases, jaundice disappeared within 2 to 4 weeks, and recovery occurred within 2 to 5 months. In one case, however, jaundice disappeared within 12 weeks and recovery took 10 months.
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PMID:[Hepatitis probably caused by Plethoryl. Apropos of 7 cases]. 337 97

Two groups, 16 nonalcoholic steatohepatitis patients (group I) and 22 alcoholic hepatitis patients (group II) classified according to the presence or absence of drinking and their histological characteristics, were compared on the basis of clinical, biochemical, and liver biopsy findings. The frequencies of female patients (p less than 0.01), obesity (p less than 0.001), and maturity-onset diabetes (p less than 0.005) were significantly greater in group I than in group II. The serum glutamic pyruvic transminase (p less than 0.05) and gamma-glutamyltranspeptidase (p less than 0.05) contents were significantly greater in group II than in group I. The cholinesterase content (p less than 0.05) was significantly less in group II. Significant differences were found in the grades of nuclear vacuolation (p less than 0.001, Fisher's exact probability test), periportal pericellular fibrosis, proliferation of bile ductules, and changes in the shape of the portal tracts (p less than 0.001, Wilcoxon's rank-sum test). Zonal necrosis in group I was seen in only severe steatohepatitis. These clinical and biochemical findings were found to be useful in differentiating nonalcoholic steatohepatitis from alcoholic hepatitis. Liver biopsy was of limited value at best in separating the two conditions.
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PMID:Comparison between nonalcoholic steatohepatitis and alcoholic hepatitis. 360 26

Among non-obese students, those consuming daily 44 g or more of alcohol showed significantly higher incidences of abnormality in glutamic oxalacetic transaminase (GOT) and gamma-glutamyl transpeptidase (gamma-GTP). When daily alcoholic intake of 44 g or more was combined with obesity, highly significant increase in incidences of abnormality in GOT, glutamic pyruvic transaminase (GPT), and gamma-GTP was observed. In normal weight students, even lower range of alcoholic consumption was associated with significant increase in high density lipoprotein (HDL) cholesterol. As compared with normal weight groups, obesity groups showed significantly lower HDL cholesterol, and leanness group significantly higher HDL cholesterol.
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PMID:Alcohol, liver function tests, and high density lipoprotein cholesterol in university students. 610 26

Study was made of glutamic pyruvic transaminase (GPT), glutamic oxalacetic transaminase (GOT), and gamma-glutamyl transpeptidase (gamma-GTP) in 729 obese subjects in various groups, namely, primary school children, high school children, university students, and outpatients. The incidences of abnormal GPT, GOT, and gamma-GTP in the obese subjects were frequently significantly higher than in the controls. It was most clearly shown in GPT. The incidences of abnormal GPT in the obese females were significantly lower than those in the obese males, but were significantly higher than the controls. Higher incidences of abnormality in the school children were ascribed to the higher degree of obesity in the children. The extent of increase in GPT was considerable. GPT was sometimes higher than 6 times the normal upper limit.
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PMID:Elevation of glutamic pyruvic transaminase and gamma-glutamyl transpeptidase in obesity. 611 78

Correlation analyses between serum ascorbic acid and several risk factors of cerebro- and cardio-vascular diseases were performed on apparently healthy adults (194 persons) aged 30-39 in order to estimate possible functions of ascorbic acid in the prevention of the disease. Serum ascorbic acid had an inverse and the strongest association with systolic blood pressure among the risk factors including blood pressure, total cholesterol, triglyceride, gamma-GTP and obesity. The association was independent of the other variables tested. When the subjects were divided into three different serum ascorbic acid level groups, the prevalence of hypertension (140/90 mmHg and above) was decreased with an increase in the ascorbic acid level. The close relationship of serum ascorbic acid and blood pressure observed in the study suggests that ascorbic acid may have a preventive function against hypertension, or a low ascorbic acid status in hypertensives may promote the further development of arteriosclerosis by the lack of favorable effect of ascorbic acid on lipid metabolism and others.
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PMID:Inverse association of serum ascorbic acid level and blood pressure or rate of hypertension in male adults aged 30-39 years. 615 42

The effect of a four-week experiment on ten fa/fa Zucker rats (aged seven weeks at the beginning) fed on a lipid-rich diet (HL: 31 per cent w/w lipids, 45.6 per cent starch) was compared to that of a control diet (C: 10 per cent lipids, 66 per cent starch) on control Fa/- rats using a special pair-feeding apparatus that made it possible to obtain an identical intake rhythm. Energy level of the intake was significantly higher for the HL diet than for the C diet. At the end of the experiment, fa/fa rats remained obese and hyperlipemic, and still showed liver steatosis. With equal energy levels ingested, the obesity of fa/fa rats was comparable for both diets; hypertriglyceridemia and hypercholesterolemia were identical for both diets. When compared to the C diet, the HL diet modified neither their obesity nor their hyperlipemia. Obese rat liver on the HL diet showed lower levels for triacylglycerols, cholesterol, GGT, ALT, LDH and aldolase activities, while hepatic glycerol kinase and AST activities were higher than and comparable to, respectively, the C diet. Thus the HL diet led to a decreased liver steatosis for fa/fa rats as compared to the C diet.
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PMID:Influence of diet composition on obesity, hyperlipemia and liver steatosis in Zucker fa/fa rats pair-fed with Zucker Fa/- rats. 637 17

The geometric mean serum level of polychlorinated biphenyls (PCBs) of 458 persons in a communitywide study was 17.2 microgram/L, with 80% to 90% having levels within the range found in other community groups. As a dependent variable, PCB levels were found to be positively related to age, even when controlled for all other variables associated with PCB level: sex, local fish consumption, obesity, serum cholesterol level, and alcohol consumption. No major point source of PCB contamination was found, and fish taken in the drainage of a major population center had mean PCB levels below the current enforceable Food and Drug Administration tolerance of 5 mg/kg. As an independent variable, serum PCB levels were positively associated with gamma-glutamyl transpeptidase level, serum cholesterol level, and measured blood pressure. The PCB-blood pressure association, which was independent of age, sex, body mass index, and social class, must be confirmed in other exposed populations.
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PMID:Association of blood pressure and polychlorinated biphenyl levels. 678 63

Ultrasonic and laboratory studies were performed in 816 white-collar workers over 35 years old who received health examination. Prevalence of fatty liver diagnosed by ultrasonography was 17.9% in all subjects and was maximum (24.4%) in males 45-49 years of age. Obesity index and body mass index were higher in fatty liver than in normal controls. Serum levels of glutamate pyruvate transaminase (GPT), cholinesterase, glutamate oxaloacetate transaminase (GOT), gamma-glutamyl transpeptidase (gamma-GTP), triglyceride, total cholesterol, uric acid, HbA1c and glucose were significantly higher, and a serum level of HDL-cholesterol was significantly lower in males with fatty liver than in controls with obesity. Prevalence of abnormal laboratory findings in fatty liver was also shown, and prevalence of fatty liver was prominently high in males with severe obesity or with mild elevation of GPT. A major cause of fatty liver was considered as obesity. In conclusion, fatty liver was a common cause of liver dysfunction and was closely related to risk factors for atherosclerosis especially in white-collar workers.
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PMID:[Ultrasonic and laboratory studies on fatty liver in white-collar workers]. 764 60

A prospective study of 21 patients with the diagnosis of non-alcoholic steatohepatitis (NASH) was carried out. All patients had hepatomegaly and in 10 (48%) image studies were consistent with steatosis and/or fibrosis. Biochemically, there was increase of AST, ALT and cholesterol in 48%, of GGT in 52% and of alkaline phosphatase in 38%. 18 patients were obese, 2 of them diabetic, 2 others had a history of exposure to drugs (amiodarone and isopropilic alcohol) and the last one presented hypothyroidism. Liver biopsies were studied using a semiquantitative scale to evaluate the degree of steatosis, inflammation and fibrosis in a scale from 1 to 3. Results showed a medium score of 2.6 for steatosis, 1.5 for inflammation and 1.8 for fibrosis. Four patients had cirrhosis and Mallory bodies were found in 11 cases (52%). NASH is an oligosymptomatic disease that can be found in different clinical conditions, mainly obesity, and is more frequent in women. It is histologically indistinguishable from alcoholic steatohepatitis. It is frequently underdiagnosed clinically and must be taken into account as a possible cause of cryptogenetic cirrhosis.
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PMID:[Non alcoholic steatohepatitis]. 765 98


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