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Query: UMLS:C0948265 (metabolic syndrome)
 24,271 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A number of metabolic syndrome (MS) definitions exist, and one's cardiovascular disease risk may depend on the definition used. The authors compared the association of subclinical atherosclerosis (coronary artery calcification [CAC] score >0] and inflammation (white blood cell [WBC] count greater than or equal to the highest quartile) with 3 definitions of MS (those of the National Cholesterol Education Program Adult Treatment Panel III [NCEP ATP III], the American Heart Association/National Heart, Lung and Blood Institute [AHA/NHLBI], and the International Diabetes Federation [IDF]) in 458 asymptomatic men (mean age, 46+/-7 years). MS was present in 28%, 29%, and 34% according to NCEP ATP III, AHA/NHLBI, and IDF criteria, respectively. CAC was observed in 40% and high WBC count in 24%. After adjustment for age, smoking, and low-density lipoprotein cholesterol, the odds ratios for CAC scores >0 with MS by NCEP ATP III, AHA/NHLBI, and IDF definitions were 1.67 (95% confidence interval [CI], 1.02-2.72), 1.67 (95% CI, 1.03-2.70), and 1.63 (95% CI, 1.03-2.57), respectively. The multivariate odds ratios for high WBC count with MS by NCEP ATP III, AHA/NHLBI, and IDF definitions were 1.69 (95% CI, 1.04-2.73), 1.84 (95% CI, 1.14-2.95), and 1.66 (95% CI, 1.05-2.62), respectively. MS is associated with increased subclinical atherosclerosis and inflammation irrespective of various definitions.
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PMID:Coronary artery calcification and inflammation according to various metabolic syndrome definitions. 1924 14

In this study, we aimed to examine the impact of the metabolic syndrome and its components on the risk of cardiovascular disease among a relatively less-obese population. A total of 8249 men and 15 064 women, aged 40-69 years, with no history of ischemic heart disease, stroke and/or cancer completed a risk-factor survey between 1993 and 1995. The metabolic syndrome was defined based on modified criteria of the American Heart Association/National Heart, Lung, and Blood Institute (AHA/NHLBI) and the International Diabetes Federation (IDF). Systematic cardiovascular surveillance was carried out throughout 2003, and 693 events of ischemic heart disease and stroke were identified. We observed significant associations of the metabolic syndrome with the risk of ischemic heart disease and ischemic stroke, but not with hemorrhagic stroke. The multivariable hazard ratio (95% confidence interval) of ischemic heart disease among men for the metabolic syndrome based on the AHA/NHLBI criteria was 2.25 (1.44-3.51) and that of ischemic stroke was 1.88 (1.40-2.52). The respective hazard ratios for the metabolic syndrome based on the IDF criteria were 1.61 (0.99-2.64) for ischemic heart disease and 1.94 (1.41-2.68) for ischemic stroke. The population-attributable fraction (PAF) of the metabolic syndrome based on the AHA/NHLBI criteria was higher than that based on the IDF criteria: 19 vs. 12% (P for difference=0.003) for ischemic cardiovascular disease among men, because non-overweight men with >or=2 risk factors were also at high risk (20% of the PAF). Our data suggest that the metabolic syndrome based on the AHA/NHLBI criteria predicts ischemic cardiovascular disease better than the syndrome based on the IDF criteria, because of the exclusion of non-overweight high-risk individuals from the reference group.
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PMID:The impact of the metabolic syndrome and its components on the incidence of ischemic heart disease and stroke: the Japan public health center-based study. 1926 90

A silent brain infarction (SBI) can predict clinical overt stroke or dementia. Studies focusing on the elderly population, where SBI is most common, are sparse. We examined the associations between SBI and metabolic syndrome (MetS) in healthy elderly individuals. Neurologically healthy subjects (1,254 persons, 723 males) aged > or =65 years who underwent brain MRI were evaluated. MetS was diagnosed following the AHA/NHLBI-2005 criteria. We examined associations between full syndrome (at least three of the five conditions) as well as its components and SBI while controlling for possible confounders. One hundred and ninety-seven subjects (15.7%) were found to have one or more SBIs on MRI. Age (1-year difference) was found to be significantly related to SBI prevalence (OR 1.09; 95% CI 1.05-1.12). MetS was significantly associated with SBI (OR 1.68; 95% CI 1.15-2.44). The component model of MetS showed a strong significance between elevated blood pressure (OR 1.89; 95% CI 1.23-2.91) and SBI. Subjects exhibiting more components of MetS showed more prevalent SBI and multiple SBIs. MetS was found to be significantly associated with SBI in neurologically healthy elderly people. The positive trend between the number of MetS components and SBI could be used as a diagnostic tool to predict and prevent future stroke.
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PMID:Significant association of metabolic syndrome with silent brain infarction in elderly people. 1953 2

The prevalence of diabetes mellitus (DM) in the United Arab Emirates is among the highest world-wide. Metabolic syndrome (MetS) predisposes individuals to DM; therefore, dietary interventions targeting MetS biomarkers are a high priority. We evaluated whether a carbohydrate-restricted diet (CRD) could effectively be used as a first-line therapy intervention in adult Emirati to improve the characteristics of MetS. A total of 39 participants (14 men, 25 women) 18-50 y, classified with MetS, followed a CRD (20-25% carbohydrate, 50-55% fat, 25-30% protein energy distribution). After 6 wk, 19 participants were randomly switched to the AHA diet (55% carbohydrate, 25-30% fat, 15-20% protein) whereas 20 participants continued with the CRD diet for an additional 6 wk. Fasting plasma lipids, 24-h dietary recalls, body composition, anthropometrics, blood pressure (BP), glucose, insulin, and plasma markers of inflammation were measured at baseline, wk 6, and wk 12. Dietary analysis indicated high compliance. At wk 6, the CRD (n = 39) resulted in decreased body weight (-13%), waist circumference (-4.5%), body fat (-10.6%), and plasma triglycerides (TG) (-38.7%) (P < 0.001). Significant decreases in LDL cholesterol, BP, glucose, insulin, and inflammatory markers and increases in adiponectin (P < 0.05) also occurred. After 12 wk, positive changes persisted for all participants, independent of diet. However, body weight and plasma TG and insulin were lower in the CRD (P < 0.05) group than in the CRD + AHA group. Results from this study suggest that a 6-wk CRD can effectively be used as a first-line diet therapy to rapidly improve features of MetS and cardiovascular risk in adult Emirati.
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PMID:Carbohydrate restriction, as a first-line dietary intervention, effectively reduces biomarkers of metabolic syndrome in Emirati adults. 1958 23

The aim of the work was to evaluate the prevalence of cardiac rhythm and conductance disturbances in patients with early manifestations of metabolic syndrome (MS). 24-hour ECG monitoring was undertaken in 105 patients meeting AHA/NHLBI (2005) MS criteria and in 79 healthy subjects. Exclusion criteria were the presence of diabetes mellitus, CHD, and obesity (body mass index > 40 kg/m2). MS was associated with an increased number of supraventicular extrasystoles (628.9 +/- 49.5 vs 415.9 +/- 57.9, p < 0.05) and ventricular extrasystoles (34.4 +/- 9.9 vs 11.8 +/- 6.5 for paired ones and 9.5 +/- 3.7 vs 2.2 +/- 4.0 for group ones, p < 0.05), higher frequency of tachyarrhythmia (supraventicular tachycardia: 18.1 vs 7.6%, p < 0.05; atrial fibrillation: 9.5 vs 2.5, p < 0.05; sinus node arrest: 6.7 vs 0%, p < 0.05). Regression analysis revealed significant correlation between arrhythmias and the number of components of the disease. It is concluded that cause-and-effect relationship between MS and cardiac rhythm disturbances is apparent at the early stage of the disease.
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PMID:[Rhythm and conductivity disorders in patients at the initial stages of metabolic syndrome]. 1970 87

The objective was to determine the prevalence of the metabolic syndrome (MS) in patients with systemic lupus erythematosus (SLE) in Argentina, to assess the factors associated to it, and to compare the results with a control group with non-inflammatory disorders. The study included 147 patients with SLE and 119 controls. MS was defined according to criteria by the American Heart Association/National Heart, Lung, and Blood Institute (AHA/NHLBI) Scientific Statement. Demographic characteristics, Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) and Systemic Lupus International Collaborating Clinics/ACR Damage Index (SDI) were assessed as well as administration, maximum dose and cumulative dose of prednisone and hydroxychloroquine (HCQ). MS prevalence was 28.6% (CI 95%: 21.4-36.6) in patients with SLE and 16% in controls (P = 0.0019). Patients with SLE presented higher arterial hypertension frequency compared with controls (43 vs 25%, P = 0.007). When comparing lupus patients with MS (n = 41) and without MS (n = 106), no significant differences were observed regarding duration of the disease, SLEDAI or cumulative prednisone dose. Cumulative damage was associated independently with MS (OR 1.98; P = 0.021), whereas HCQ use was found to be protective (OR 0.13; P = 0.015). Patients with lupus presented higher MS prevalence than controls with non-inflammatory disorders, and occurrence of arterial hypertension was also higher. MS was associated with cumulative damage; the use of HCQ showed to be protective against presence of MS.
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PMID:Metabolic syndrome in Argentinean patients with systemic lupus erythematosus. 2002 20

Circulating levels of inflammatory and prothrombotic factors are elevated in the metabolic syndrome (MS) and linked with the occurrence of cardiovascular events. The aim of our study was to investigate the relationship between inflammatory and prothrombotic markers and the MS in elderly institutionalized residents. A total of 326 non-diabetic residents of Chuang-Hua Veterans Care Home (age: 79.9+/-4.1 years; 100% males) were enrolled. MS was diagnosed according to the AHA/NHLBI Scientific Statement criteria. Body fat percentage was measured by bioelectrical impedance analysis. Insulin resistance was calculated by homeostasis model assessment for insulin resistance (HOMA-IR). Inflammatory markers, including tumor necrosis factor-a (TNF-alpha), high sensitivity C-reactive protein (hsCRP), and plasminogen activator inhibitor-1 (PAI-1), were determined using ELISA. Elderly residents with the MS had higher systolic and diastolic blood pressures (both p < 0.001) and higher HOMA-IR (p < 0.001), hsCRP (p = 0.008), and PAI-1 levels (p < 0.001) than those without the MS. On multivariate logistic regression analysis, PAI-1 was an independent risk factor for the MS. Of the MS components, elderly residents with higher waist circumferences and higher levels of plasma fasting glucose, and triglyceride (TG), and lower levels of high density lipoprotein (HDL) had higher PAI-1 levels than those without the above components.
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PMID:Plasminogen activator inhibitor type 1 (PAI-1) is a valuable biomarker for predicting the metabolic syndrome (MS) in institutionalized elderly residents in Taiwan. 2000 26

Cardiovascular disease and osteoporosis are thought to share common risk factors, and metabolic syndrome (MS) is composed of major risk factors for cardiovascular disease. This study was performed to investigate the relationships between specific MS components and bone mineral density (BMD). BMD was measured at the femoral neck of Korean men aged 40 years or more (n = 1,780) and postmenopausal women (n = 1,108) using dual-energy X-ray absorptiometry. We identified subjects with MS as defined by two criteria, International Diabetes Federation (IDF) and American Heart Association/National Heart, Lung, and Blood Institute (AHA/NHLBI). Body fat and lean mass were measured via bioimpedance analysis. The prevalence of MS was 19.8% and 7.7% in men and 20.8% and 11.6% in postmenopausal women according to the AHA/NHLBI definition and the IDF definition, respectively. After multivariate adjustment, femoral neck BMD was significantly lower in subjects with MS regardless of diagnostic criteria. BMD decreased as the number of MS components increased (P < 0.001 for trends in both sexes). Among MS components, waist circumference was the most important factor in this negative association. When multiple linear regression models were applied to each 5-kg weight stratum to test for a linear trend, waist circumference and fat mass were negatively associated with BMD and lean mass was positively associated with BMD in men but not in women. MS was associated with a lower BMD in Korean men and postmenopausal women, suggesting that visceral fat may lead to bone loss, especially in men.
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PMID:Negative association between metabolic syndrome and bone mineral density in Koreans, especially in men. 2035 85

The aim of the study was to evaluate the prevalence and characteristics of ventricular extrasystole in patients developing metabolic syndrome. 24 hour echoCG monitoring was performed in 112 subjects above 15 yr meeting AHA/NHILBI 2005 criteria for metabolic syndrome corrected for the European population and in 107 metabolically neutral subjects. Significant differences were documented in the frequency of polytopic extrasystole (63.4 vs 46.2%; p = 0.01), morphology number (4.7 +/- 0.5 vs 2.3 +/- 0.7; p = 0.02), frequency of paired/group extrasystole (31.2 vs 18.7%; p = 0.02), number of extrasystoles in the longest chain (8.5 +/- 3.1 vs 3.7 +/- 2.2; p = 0.04). Strong (r < 0.5) positive correlation between the mean heart rate (HR) per 1 hour and the number of paired/group extrasystoles proved a highly specific sign of metabolic syndrome (100 and 89.5% respectively). Patients with metabolic syndrome more frequently had polytopic/group ventricular extrasystole associated with elevated mean HR.
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PMID:[Ventricular extrasystole in patients with metabolic syndrome]. 2036 8

A healthy lifestyle may ameliorate metabolic syndrome (MetS); however, it remains unclear if incorporating nuts or seeds into lifestyle counseling (LC) has additional benefit. A 3-arm, randomized, controlled trial was conducted among 283 participants screened for MetS using the updated National Cholesterol Education Program Adult Treatment Panel III criteria for Asian Americans. Participants were assigned to a LC on the AHA guidelines, LC + flaxseed (30 g/d) (LCF), or LC + walnuts (30 g/d) (LCW) group. After the 12-wk intervention, the prevalence of MetS decreased significantly in all groups: -16.9% (LC), -20.2% (LCF), and -16.0% (LCW). The reversion rate of MetS, i.e. those no longer meeting the MetS criteria at 12 wk, was not significantly different among groups (LC group, 21.1%; LCF group, 26.6%; and LCW group, 25.5%). However, the reversion rate of central obesity was higher in the LCF (19.2%; P = 0.008) and LCW (16.0%; P = 0.04) groups than in the LC group (6.3%). Most of the metabolic variables (weight, waist circumference, serum glucose, total cholesterol, LDL cholesterol, apolipoprotein (Apo) B, ApoE, and blood pressure) were significantly reduced from baseline in all 3 groups. However, the severity of MetS, presented as the mean count of MetS components, was significantly reduced in the LCW group compared with the LC group among participants with confirmed MetS at baseline (P = 0.045). Our results suggest that a low-intensity lifestyle education program is effective in MetS management. Flaxseed and walnut supplementation may ameliorate central obesity. Further studies with larger sample sizes and of longer duration are needed to examine the role of these foods in the prevention and management of MetS.
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PMID:Lifestyle counseling and supplementation with flaxseed or walnuts influence the management of metabolic syndrome. 2082 32


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