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Query: UMLS:C0497406 (overweight)
 26,365 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The prevalence of marked obesity is increasing rapidly among adults and has more than doubled in 10 years. Sixty-one percent of the adult population of the United States is overweight or obese. Americans are the fattest people on earth. Paradoxically these increases in the numbers of persons who are obese or overweight have occurred during recent years when Americans have been preoccupied with numerous dietary programs, diet products, weight control, health clubs, home exercise equipment, and physical fitness videos, each "guaranteed" to bring rapid results. Overweight and obesity are also world problems. The World Health Organization estimates that 1 billion people around the world are now overweight or obese. Westernization of diets has been part of the problem. Fruits, vegetables, and whole grains are being replaced by readily accessible foods high in saturated fat, sugar, and refined carbohydrates. Since class 3 obesity (morbid or extreme obesity) is associated with the most severe health complications, the incidence of hypertension, stroke, heart disease, diabetes, and peripheral vascular disease will increase substantially in the future. Recently, obesity alone has been implicated in the development of cardiac hypertrophy and CHF. The metabolic syndrome associated with abdominal obesity, which includes insulin resistance, dyslipidemia, and elevated CRP levels, identifies subjects who have an increase in cardiovascular morbidity and mortality. Twenty to 25% of the adult population in the United States have the metabolic syndrome, and in some older groups this prevalence approaches 50%. The prevalence of overweight children in the United States has also been increasing dramatically, especially among non-Hispanic blacks and Mexican-American adolescents. Overweight children usually become overweight adults. Atherosclerosis begins in childhood. The degree of atherosclerotic changes in children and young adults can be correlated with the presence of the same risk factors seen in adults. As health providers, our direction is obvious!
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PMID:Obesity and the metabolic syndrome. 1262 76

The metabolic cardiovascular disease (CVD) risk factors of women with self-reported oligomenorrhea and/or hirsutism, which are symptoms of polycystic ovary syndrome (PCOS), were investigated in a general population-based Northern Finland Birth Cohort 1966 Study to determine whether women with PCOS symptoms at 31 yr would be distinguishable from asymptomatic controls in terms of CVD risk factors. A total of 518 cases with oligomenorrhea and/or hirsutism and 1036 randomly selected controls were analyzed. C-Reactive protein (CRP; median, 0.70 vs. 0.60 mg/liter; P = 0.026), triglycerides (mean, 0.97 vs. 0.91 mmol/liter; P = 0.039), body mass index (BMI; mean, 25.1 vs. 24.2 kg/m(2); P < 0.001), and waist/hip ratio (mean, 0.82 vs. 0.81; P = 0.001) were significantly higher, and high-density lipoprotein cholesterol levels were lower (mean, 1.60 vs. 1.66 mmol/liter; P = 0.002) in the cases compared with the controls. Total cholesterol, low-density lipoprotein cholesterol, and blood pressure showed no statistically significant differences between the cases and the controls. In terms of metabolic CVD risk factors, women reporting hirsutism alone were indistinguishable from the control group, and those who reported both oligomenorrhea and hirsutism had the most severe changes in risk factor profiles. Because obesity is strongly related to PCOS symptoms, the analyses were stratified by BMI. After stratification into normal weight (BMI, <25 kg/m(2)), overweight (25 kg/m(2) <or= BMI <30 kg/m(2)), and obese (BMI, >or=30 kg/m(2)) groups, the waist/hip ratio was significantly higher among the overweight cases (mean, 0.84 vs. 0.83; P = 0.04). Among the obese women, high-density lipoprotein cholesterol was significantly lower (mean, 1.32 vs. 1.48 mmol/liter; P = 0.002) among the cases, and triglycerides tended to be higher (mean, 1.43 vs. 1.27 mmol/liter; P = 0.068) than in controls. In conclusion, these results indicate that self-reported symptoms of oligomenorrhea and/or hirsutism, particularly in the presence of both symptoms, may be helpful to identify women with metabolic cardiovascular risk factor accumulation associated with PCOS.
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PMID:Metabolic cardiovascular disease risk factors in women with self-reported symptoms of oligomenorrhea and/or hirsutism: Northern Finland Birth Cohort 1966 Study. 1512 28

High-sensitivity C-reactive protein (hs-CRP) levels are closely associated with adiposity and predict coronary heart disease and type 2 diabetes mellitus. However, relationships of CRP to adiponectin and other markers of insulin resistance have been inadequately researched in children. We measured fasting serum levels of adiponectin, insulin, hs-CRP, and lipoproteins, and recorded the anthropometric profile and percentage of body fat (%BF; bioimpedance method) in 62 (36 normal weight, 26 overweight) healthy, urban, postpubertal Asian Indian males (aged 14 to 18 years). Serum levels of adiponectin were lower (P = not significant [NS]), whereas those of fasting insulin (P = .01) and hs-CRP (P = .02) were higher in overweight subjects. Adiponectin levels inversely correlated with body mass index (BMI; r = -0.26, P < .05), %BF (r = -0.24, P < .05), fasting insulin (r = -0.32, P < .05) and insulin resistance measured by the homeostasis model of assessment (HOMA-IR; r = -0.31, P < .05), but not with hs-CRP levels. Fasting insulin and hs-CRP levels correlated significantly with BMI, %BF, waist circumference (WC), waist-to-hip circumference ratio (W-HR), and triceps and subscapular skinfold thickness. The correlation of adiponectin with insulin sensitivity was independent of abdominal obesity, but became nonsignificant after controlling for BMI and %BF. Further, BMI was an independent predictor of adiponectin levels and the ratio of adiponectin and %BF was an independent predictor of fasting insulin levels. Although adiponectin levels did not correlate with hs-CRP levels, we observed dichotomous relationships of adiponectin and hs-CRP levels with generalized and abdominal obesity, respectively. We conclude that generalized obesity affects the adiponectin-insulin relationship in postpubertal Asian Indian males; however, the relationship of adiponectin with hs-CRP needs further evaluation.
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PMID:Adiponectin, insulin resistance, and C-reactive protein in postpubertal Asian Indian adolescents. 1537 91

Orlistat lowers lipids and improves insulin sensitivity, but its effect on other metabolic syndrome related parameters is not known. To assess its influence on adiponectin, high sensitive C-reactive protein (hs-CRP) and other metabolic syndrome related parameters, this study enrolled 106 participants in a weight-reduction program and categorized them into a group of 51 who had been treated with orlistat 360 mg/day for one year and a group of 55 age and sex and body mass index (BMI) matched controls. The orlistat group had greater changes in BMI, % body fat (% BF), waist circumference, and insulin resistance, hs-CRP, leptin and adiponectin levels after one year on the program than the controls. After adjusting for % BF and waist circumference, change of serum leptin and adiponectin levels remained significantly different. It was found that orlistat could effectively manage obesity related co-morbidities, especially insulin resistance and atherosclerosis risk. It decreases leptin and increases adiponectin independent of % BF and waist circumference. Therefore, orlistat appears to have anti-diabetic and anti-atherogenic properties and may help prevent metabolic syndrome in the overweight people.
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PMID:Orlistat for obesity: benefits beyond weight loss. 1562 Apr 37

Adipose tissue is an active endocrine organ secreting different adipokines such as plasminogen activator inhibitor-1 (PAI-1) and adiponectin, among many others. In this study, we investigated the association between PAI-1 activity and serum adiponectin levels in a group of 444 overweight and obese women and assessed the interrelationship with visceral adipose tissue (VAT; CT-scan L4-L5), insulin resistance (HOMA-IR), HDL cholesterol (HDL-chol) and inflammation (hs-CRP). PAI-1 was inversely related to adiponectin (r = -0.25, p < 0.001; adjusted for age and BMI). After adjustment for age, VAT, HOMA-IR and hs-CRP, the relationship remained significant (r = -0.15; p = 0.001), but disappeared after additional adjustment for HDL-chol (r = -0.09; p = 0.067). Subjects were divided in two groups according to the median levels of adiponectin or PAI-1 levels. PAI-1 activity (19.1 +/- 11.4 vs. 15.8 +/- 8.6 AU/ml; p = 0.003) and adiponectin levels (9.8 +/- 4.6 vs. 8.4 +/- 4.0 microg/ml; p < 0.001) were significantly higher in the low adiponectin/PAI-1 groups. The difference in PAI-1 remained significant after adjustment for age and BMI (p = 0.001), became borderline significant after adjustment for age and VAT (p = 0.052), and disappeared after adjustment for age and HOMA-IR (p = 0.116) or age and HDL-chol (p = 0.443). The difference in adiponectin levels remained significant after adjustment for age, VAT, HOMA-IR and hs-CRP (p = 0.006), but disappeared after additional adjustment for HDL-chol (p = 0.089). Further analyses suggest a contribution of HOMA-IR and/or HDL-chol in the relationship between PAI-1 and adiponectin. HDL-chol was found to be the only factor independently determining both factors. In conclusion, in overweight and obese women, PAI-1 activity was inversely related to serum adiponectin, independent of visceral adipose tissue.
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PMID:Inverse relationship between plasminogen activator inhibitor-I activity and adiponectin in overweight and obese women. Interrelationship with visceral adipose tissue, insulin resistance, HDL-chol and inflammation. 1641 93

We compared cardiovascular risk factors in younger and older patients with Type 2 diabetes mellitus and higher than normal body mass index (BMI) and percentage of body fat (% BF) after a 1-yr weight-reduction program in order to clarify the benefits of weight loss in the overweight elderly. Groups of 52 younger and 50 older patients consumed low-calorie diets and participated in a simple moderate-intensity aerobic exercise program for 1 yr. At three times during the program (start, 6 months, 12 months), 10 measures were taken for each participant: BMI, total cholesterol (TC), triglyceride (TG), % BF, waist circumference (WC), fasting plasma glucose, hemoglobulin A1c (HbA1c), leptin, high-sensitivity C-reactive protein (hs-CRP), and adiponectin levels. While changes in BMI, TC and TG were evidently the same in both age groups (p-value: 0.11, 0.33, 0.70, respectively), raw figures for change in % BF, WC, fasting plasma glucose, HbA1c, leptin, hs-CRP, and adiponectin values were significantly greater in the older group (p-value: 0.02, 0.01, 0.03, 0.04, 0.02, 0.01, 0.03 respectively). However, after adjusting for % BF and WC, these changes were no longer significant (p-values: 0.08, 0.07, 0.08, 0.06, 0.10, respectively), indicating that weight loss is equally beneficial for overweight patients with Type 2 diabetes in both age groups. Benefits were gained mainly through reduced body fat. Simple life-style modification of adding 20-min daily aerobic exercise and an adequate but restricted calorie diet is more effective in elderly diabetic patients.
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PMID:Effectiveness of weight loss in the elderly with type 2 diabetes mellitus. 1648 74

High-sensitivity C-reactive protein (hs-CRP) is associated with an increased risk of cardiovascular disease and the development of type 2 diabetes mellitus. We analyzed the effects of lifestyle modifications including exercise training on hs-CRP in 47 overweight and obese adults. Subjects were divided into a lifestyle modification group (n=23) (exercise and diet instruction) and a control group (n=24) who did not participate in any lifestyle modification. After 3 months, body weight (80.8+/-11.5 to 73.5+/-10.7 kg, P<.01), total cholesterol (217+/-38.4 to 178.0+/-25.6 mg/dL, P<.01), low-density lipoprotein cholesterol (151.3+/-34.9 to 116.7+/-27.8 mg/dL, P<.01), Vo(2)peak (30.3+/-5.1 to 37.1+/-6.9 mL/[kg . min], P<.01), and log hs-CRP (0.75+/-0.4 to 0.56+/-0.3 mg/dL, P=.01) were significantly improved in the lifestyle modification group, but there was no significant improvement in the control group. Changes in log hs-CRP were associated with changes in Vo(2)peak (r=-0.41, P=.004) and changes in weight loss (r=0.42, P=.004). In stepwise multiple regression analysis, weight loss (P=.034) and improved Vo(2)peak (P=.039) were independent predictors of the changes in hs-CRP. When grouped into quartiles according to decreasing weight and increasing Vo(2)peak, levels of changes in log hs-CRP improved across quartiles of weight loss (P<.05) and improved Vo(2)peak (P<.01). Thus, lifestyle changes including regular exercise training in overweight and obese adults decreased hs-CRP, and this was associated with weight loss and improved Vo(2)peak.
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PMID:Effects of lifestyle modifications on C-reactive protein: contribution of weight loss and improved aerobic capacity. 1671 44

High-sensitivity C-reactive protein (hs-CRP) levels vary remarkably by race and ethnic group. We examined hs-CRP levels and their association with cardiovascular risk factors in the Japanese general population. The Japan National Cardiovascular Center (NCVC)-collaborative Inflammation Cohort (JNIC) Study recruited 5213 men and 7071 women aged > or = 40 years from seven communities in Japan during 2002-2004. hs-CRP was measured using nephelometry calibrated with CRM 470, the international plasma protein reference material. Traditional cardiovascular risk factors and their aggregation were studied in multivariate logistic models, stratified by overweight status. Median hs-CRP levels in men and women were 0.60 and 0.45 mg/L, respectively. The percentage of subjects with hs-CRP levels < 1.0, 1.0-3.0, and > 3.0 mg/L was 67.4%, 22.0%, and 10.6% in men, respectively, and 76.3%, 16.7%, and 7.0% in women. hs-CRP levels showed significant linear associations with traditional risk factors. Overweight, hypertension, dyslipidemia (men only), smoking (men only), and diabetes (women only) contributed significantly to elevated hs-CRP levels. Overweight individuals with hypertension, dyslipidemia, and diabetes had a high prevalence of elevated hs-CRP levels in both sexes. Japanese adults have very low hs-CRP levels. An aggregation of metabolic risk factors is associated with elevated hs-CRP levels among overweight individuals, particularly in women.
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PMID:A low level of C-reactive protein in Japanese adults and its association with cardiovascular risk factors: the Japan NCVC-Collaborative Inflammation Cohort (JNIC) study. 1696 54

This study aimed to 1) compare levels of high sensitivity c-reactive protein (hs-CRP), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-alpha) between overweight Thais and apparently healthy controls, and 2) investigate the association between serum hs-CRP, IL-6, and TNF-alpha levels and other biochemical parameters. A total of 180 health-conscious adults aged 25-60 years, who resided in Bangkok, participated in this study. No significant difference was found in age and sex between the overweight subjects and controls. Serum levels of hs-CRP, IL-6, TNF-alpha, glucose, lipid profile, body mass index (BMI), waist circumference (WC), hip circumference (HC) and waist hip ratio (WHR) were determined in these volunteers. The mean levels of white blood cells (WBC), uric acid, total cholesterol (TC), triglyceride (TG), and hs-CRP were significantly higher in the overweight subjects than those in the controls, whereas high density lipoprotein-cholesterol (HDL-C) values were significantly higher in the controls than the overweight subjects (p < 0.05). Hs-CRP levels were significantly positively correlated with levels of TG, BMI, WC, HC and WHR. HDL-C levels were significantly negative correlated with hs-CRP levels. In conclusion, the prevalence of elevated serum hs-CRP levels was higher in overweight subjects than controls. However, more data in larger and other population groups are needed to confirm this study.
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PMID:C-reactive protein, interleukin-6, and tumor necrosis factor-alpha levels in overweight and healthy adults. 1712 2

This study was performed to test whether plasma asymmetric dimethylarginine (ADMA) concentrations are related to obesity and obesity complications including decrement in insulin sensitivity and adiponectin levels, dyslipidemia and low-grade inflammation. Asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA) concentrations were analyzed by HPLC in 17 overweight (BMI > or = 25 kg/m2) and 40 obese (BMI > or = 30 kg/m2) premenopausal women. Age-matched healthy women were studied as controls. Obesity did not give rise to a significant change in circulating ADMA levels but reduced in SDMA levels. As compared with control subjects (0.441 +/- 0.102 microM), ADMA values in overweight and obese subjects were found to be as 0.412 +/- 0.102 and 0.436 +/- 0.093, respectively. No Pearson's association of ADMA with relevant risk variables for cardiovascular disease, including blood pressure, insulin sensitivity, inflammatory markers, lipid and adiponectin levels. However, in linear regression analysis, BMI, diastolic blood pressure, glucose, insulin, and IL-8 emerged as significant predictors of ADMA. In spite of obese women have elevated hs-CRP, triglyceride levels and decreased insulin sensitivity, adiponectin and HDL-cholesterol levels, all of which is closely linked risk factors for cardiovascular disease, circulating ADMA levels remained unchanged in obese individuals as compared with controls.
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PMID:Unchanged asymmetric dimethylarginine levels in non-diabetic, premenopausal obese women who have common risk factors for cardiovascular disease. 1787 18


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