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Li NY, Yu H, Li XL, Wang QY, Zhang XW, Ma RX, Zhao Y, Xu H, Liang W, Bai F, Yu J. Astragalus Membranaceus Improving Asymptomatic Left Ventricular Diastolic Dysfunction in Postmenopausal Hypertensive Women with Metabolic Syndrome: A Prospective, Open-Labeled, Randomized Controlled Trial. Chin Med J (Engl) 2018; 131:516-526. [PMID: 29483384 PMCID: PMC5850666 DOI: 10.4103/0366-6999.226077] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background: Postmenopausal women with metabolic syndrome (MetS) have increased cardiovascular morbidity and left ventricular diastolic dysfunction (LVDD). The various protective effects of astragalus membranaceus (AM) have been described in previous studies. Therefore, this study aimed to evaluate the effects of different doses of AM on diastolic function in postmenopausal hypertensive women with MetS. Methods: This was a prospective, randomized controlled study. The postmenopausal hypertensive patients with MetS were enrolled from Lanzhou University Second Hospital from March 2014 to April 2015. Patients were divided into three groups: control group (received conventional medical treatment), AM Group 1 (received AM capsules at 5 g/d additionally), and AM Group 2 (received AM capsules at 10 g/d additionally). Echocardiographic and clinical characteristics were evaluated before and 12 months after treatment. Quantitative data were analyzed using unpaired t-test, analysis of variance, and multiple linear regression analysis. Results: A total of 154 patients were subjected to final analysis. In the AM Group 2, significant improvements were noted in diastolic function 12 months after treatment than those of the control group, including the early diastolic mitral annular velocity (E’; 0.065 ± 0.007 m/s vs. 0.061 ± 0.008 m/s, P = 0.014), the ratio of the early diastolic mitral peak flow velocity to the late diastolic mitral peak flow velocity (E/A; 0.81 ± 0.05 vs. 0.80 ± 0.06, P = 0.012), the ratio of E’ to the late diastolic mitral annular velocity (E’/A’; 0.56 ± 0.12 vs. 0.51 ± 0.13, P = 0.048), and the ratio of the early diastolic mitral peak flow velocity (E) to E’ (E/E’; 10.70 ± 1.30 vs. 11.37 ± 1.73, P = 0.031). After treatment, E/E’ (10.70 ± 1.30 vs. 11.24 ± 1.56, P = 0.021), deceleration time (DT; 261.49 ± 44.41 ms vs. 268.74 ± 53.87 ms, P = 0.046), and E’/A’ (0.56 ± 0.12 vs. 0.52 ± 0.13, P = 0.019) values improved more significantly than those of AM Group 2 before treatment. Besides, waist circumference was positively correlated with E’ (r = 0.472; P = 0.003) and E’/A’ (r = 0.321; P = 0.047). In addition, the waist-to-hip ratio was a significant predictor of DT (r = 0.276; P = 0.041), E’ (r = −0.590; P < 0.001), E/E’ (r = 0.454; P = 0.004), and E’/A’ (r = −0.377; P = 0.018). Conclusions: Conventional medical plus AM therapy improved diastolic function. Moreover, WC and WHR might be risk factors for LVDD. Chinese Clinical Trial Register: ChiCTR-TRC-11001747. http://www.chictr.org.cn/showprojen.aspx?proj=7798.
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Zheng N, Ding X, Wei D, Dai B, Zheng L, Sumi R, Hu D, Jahane R, Sun L. Therapeutic Effects of Coccomyxagloeobotrydiformis on the Metabolic Syndrome in Rats. Cell Physiol Biochem 2018; 48:1519-1529. [PMID: 30071531 DOI: 10.1159/000492262] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Accepted: 07/20/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS The metabolic syndrome (MS) is a cluster of metabolic changes that carry a high risk of cardiovascular disease (CVD). A newly discovered microalga, coccomyxagloeobotrydiformis (CGD), has been reported to improve ischemic stroke and metabolism-related indicators. We observed the therapeutic effects of CGD on MS and postulated the underlying mechanism. METHODS A diet-induced MS model in rats was used to observe the therapeutic effects of CGD on MS. Blood-glucose and lipid indices were measured using enzymatic colorimetric kits. A biologic data acquisition and analysis system (BL-420F) was used to evaluate cardiac function. Expression of mitochondrial respiratory chain (MRC) enzymes was measured by immunofluorescence staining. The proteins associated with oxidative stress, apoptosis and inflammation were detected by western blotting. RESULTS Body weight, abdominal circumference, fasting blood glucose , blood pressure as well as serum levels of total cholesterol, triglycerides and low-density lipoprotein-cholesterol were decreased whereas serum levels of high-density lipoprotein-cholesterol was increased in CGD-treated MS rats. CGD increased left-ventricular systolic pressure, left-ventricular end-diastolic pressure, left-ventricular systolic pressure maximum rate of increase and left-ventricular diastolic pressure maximum rate of decrease in MS rats with cardiovascular complications. CGD up-regulated expression of adenosine monophosphate-activated protein kinase and peroxisome proliferator activated receptor gamma coactivator 1-alpha in the heart, adipose tissue and skeletal muscle. Expression of the MRC subunits of ATPase 6, cytochrome b and succinate dehydrogenase complex, subunit-A was increased whereas that of uncoupling protein-2 decreased in different tissues. CGD showed anti-oxidation effects by increasing expression of superoxide dismutase and decreasing that of malondialdehyde. High expression of Bcl-2 and low expression of Bax and caspase-3 supported the anti-apoptotic effect of CGD on the cardiovascular complications of MS. CONCLUSION CGD has a therapeutic effect on MS and associated cardiovascular complications by eliciting mitochondrial protection and having anti-oxidation and anti-apoptosis effects. CGD could be used for MS treatment.
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Ramakrishanan N, Denna T, Devaraj S, Adams-Huet B, Jialal I. Exploratory lipidomics in patients with nascent Metabolic Syndrome. J Diabetes Complications 2018; 32:791-794. [PMID: 29895440 DOI: 10.1016/j.jdiacomp.2018.05.014] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/15/2018] [Accepted: 05/18/2018] [Indexed: 12/30/2022]
Abstract
BACKGROUND Metabolic Syndrome (MetS) is a cardio-metabolic cluster that confers an increased risk of developing both diabetes and atherosclerotic cardiovascular disease (ASCVD). The mechanisms governing the increased ASCVD risk remains to be elucidated. Moreover, lipidomics poses as an exciting new tool that has potential to shed more light on the pathogenesis of MetS. OBJECTIVE The aim of this study was to explore the lipidome in an unbiased fashion in patients with nascent MetS uncomplicated by diabetes and CVD. METHODS Patients with nascent MetS (n = 30) without diabetes or ASCVD and controls (n = 20) who participated in the study had normal hepatic and renal function. Early morning urine samples from patients were collected and frozen at -70° until analysis. Lipidomic analyses were undertaken at the National Institute of Health Western Metabolomics Center. RESULTS Phosphatidylcholine 34:2, PC (34:2) was significantly increased in patients with MetS compared to controls. PC (34:2) had a significant positive correlation with waist circumference, plasma glucose, free fatty acid, and triglyceride levels. It had a significant positive correlation with pro-inflammatory markers such as plasma hs CRP, IL-1b, and IL-8. Additionally, PC (34:2) significantly correlated positively with Leptin and inversely with adiponectin. Levels of various acyl carnitines and PC34:1 were not significantly altered. CONCLUSION We propose that PC (34:2) could emerge as a novel biomarker in MetS that promotes a pro-inflammatory state.
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Hwang YS, Park EJ, Choi JG, Kim HE, Park SG, Yoo SM. Relationship between Age at Menarche and Metabolic Syndrome in Premenopausal Women: Korea National Health and Nutrition Examination Survey 2013-2014. Korean J Fam Med 2018; 39:300-306. [PMID: 30056694 PMCID: PMC6166116 DOI: 10.4082/kjfm.17.0022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 10/12/2017] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Early menarche may be associated with increased risk of cardiovascular disease. The aim of this study was to evaluate the relationship between age at menarche and metabolic syndrome (MetS) in Korean premenopausal women. METHODS We used nationally representative data from the Korea National Health and Nutrition Examination Survey from 2013 to 2014, and 3,023 premenopausal women aged 20-55 years were our subjects. We defined early menarche as age at first menstrual period less than 12 years. Multivariable logistic regression analysis was used to evaluate the relationship between age at menarche and MetS after adjusting for current age, and socioeconomic, lifestyle, and reproductive variables. RESULTS MetS was much more common in women aged 40-55 years than in women aged 20-39 years (4.1% vs. 15.1%). Compared with women who experienced menarche at age 12-15 years, the risk of MetS in the early menarche group was not higher in either age group, after adjusting for current age, and socioeconomic, lifestyle, and reproductive variables (odds ratio [OR], 1.767; 95% confidence interval [CI], 0.718-4.351 in those aged 20-39 years; OR, 1.780; 95% CI, 0.775-4.085 in those aged 40-55 years). The risk of MetS in women with menarche at age ≥16 years was not higher than in women with menarche at age 12-15 years. CONCLUSION Early or late menarche was not associated with an increased risk of MetS in premenopausal Korean women. Even before menopause, current age has a major influence on the development of MetS.
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Lee EJ, Han JH, Kwon KY, Kim JH, Han KH, Sung SY, Hong SR. The Relationship between Aortic Knob Width and Metabolic Syndrome. Korean J Fam Med 2018; 39:253-259. [PMID: 30025428 PMCID: PMC6056406 DOI: 10.4082/kjfm.17.0038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 07/11/2017] [Indexed: 01/16/2023] Open
Abstract
Background Both aortic knob width and metabolic syndrome are suggested to be related to atherosclerosis and cardiovascular diseases. However, the association between aortic knob width and metabolic syndrome is unknown. This study aimed to explore this relationship. METHODS Participants were 3,705 Korean adults aged 18-79 years who visited the health promotion center of a general hospital. Data on chest radiography, physical measurements, medical and social history, and blood tests were collected. We defined metabolic syndrome according to the National Cholesterol Education Program Adult Treatment Panel III criteria. A single reviewer measured aortic knob width on chest radiography. RESULTS Aortic knob width was significantly correlated with age; body mass index; waist circumference; systolic and diastolic blood pressures; total cholesterol, triglyceride, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, fasting glucose, glycated hemoglobin, insulin, and uric acid levels; and homeostatic model assessment of insulin resistance values. Aortic knob width significantly increased as the number of metabolic syndrome components increased. Moreover, metabolic syndrome component values tended to increase across the quartile groups of aortic knob width after adjusting for age, exercise, smoking status, and alcohol use. Through receiver operating characteristic curve analysis, we determined the clinically useful cutoff value for aortic knob width to be 30.47 mm in premenopausal women. CONCLUSION Aortic knob width was found to be significantly related to metabolic syndrome and its individual components.
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Shirin D, Peleg N, Sneh-Arbib O, Cohen-Naftaly M, Braun M, Shochat T, Issachar A, Shlomai A. The Pattern of Elevated Liver Function Tests in Nonalcoholic Fatty Liver Disease Predicts Fibrosis Stage and Metabolic-Associated Comorbidities. Dig Dis 2018; 37:69-76. [PMID: 30016799 DOI: 10.1159/000491428] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 06/21/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND Patients with nonalcoholic fatty liver disease (NAFLD) and with abnormal liver function tests (LFTs) most commonly present with elevated hepatocellular enzymes (H pattern), but a subset of patients is found to have elevated cholestatic enzymes (C pattern) or a mixed (M) pattern. AIMS AND METHODS To determine whether the epidemiologic background and comorbidities, as well as the degree of liver fibrosis, differ between NAFLD patients with different patterns of elevated LFTs by retrospectively analyzing data of 106 patients with a biopsy-proven diagnosis of NAFLD. The pattern of elevated LFTs was determined by adopting the "R-Ratio" formula commonly used for drug-induced liver injury. RESULTS Advanced fibrosis (F > 2) was found in 15 out of 48 (31.3%) patients with a C pattern of elevated LFTs as compared to 2 out of 44 (4.5%) in M patients and 2 out of 11 (18.2%) in H patients (p = 0.004). Group C patients are older and also had a higher prevalence of diabetes, a higher mean hemoglobin A1c, and a higher prevalence of hypertension, as well as a trend for a higher prevalence of hypertriglyceridemia. CONCLUSIONS Using a simple formula incorporating routine LFTs can help to categorize NAFLD patients as low or high risk for advanced fibrosis stage and metabolic-associated comorbidities.
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Lee HM, Zhao Y, Liu MA, Yanez D, Carnethon M, Graham Barr R, Wong ND. Impact of lung-function measures on cardiovascular disease events in older adults with metabolic syndrome and diabetes. Clin Cardiol 2018; 41:959-965. [PMID: 29797803 DOI: 10.1002/clc.22985] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 05/19/2018] [Accepted: 05/23/2018] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Individuals with metabolic syndrome (MetS) and diabetes (DM) are more likely to have decreased lung function and are at greater risk of cardiovascular disease (CVD). HYPOTHESIS Lung-function measures can predict CVD events in older persons with MetS, DM, and neither condition. METHODS We followed 4114 participants age ≥ 65 years with and without MetS or DM in the Cardiovascular Health Study. Cox regression examined the association of forced vital capacity (FVC) and 1-second forced expiratory volume (FEV1 ; percent of predicted values) with incident coronary heart disease and CVD events over 12.9 years. RESULTS DM was present in 537 (13.1%) and MetS in 1277 (31.0%) participants. Comparing fourth vs first quartiles for FVC, risk of CVD events was 16% (HR: 0.84, 95% CI: 0.59-1.18), 23% (HR: 0.77, 95% CI: 0.60-0.99), and 30% (HR: 0.70, 95% CI: 0.58-0.84) lower in DM, MetS, and neither disease groups, respectively. For FEV1 , CVD risk was lower by 2% (HR: 0.98, 95% CI: 0.70-1.37), 26% (HR: 0.74, 95% CI: 0.59-0.93), and 31% (HR: 0.69, 95% CI: 0.57-0.82) in DM. Findings were strongest for predicting congestive heart failure (CHF) in all disease groups. C-statistics increased significantly with addition of FEV1 or FVC over risk factors for CVD and CHF among those with neither MetS nor DM. CONCLUSIONS FEV1 and FVC are inversely related to CVD in older adults with and without MetS, but not DM (except for CHF); however, their value in incremental risk prediction beyond standard risk factors is limited mainly to metabolically healthier persons.
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Moon S, Park JH, Jang EJ, Park YK, Yu JM, Park JS, Ahn Y, Choi SH, Yoo HJ. The Cut-off Values of Surrogate Measures for Insulin Sensitivity in a Healthy Population in Korea according to the Korean National Health and Nutrition Examination Survey (KNHANES) 2007-2010. J Korean Med Sci 2018; 33:e197. [PMID: 30008630 PMCID: PMC6041480 DOI: 10.3346/jkms.2018.33.e197] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 05/10/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND This study aimed to identify the gender-specific characteristics of the surrogate measures of insulin resistance and to establish valid cut-off values for metabolic abnormalities in a representative sample in Korea. METHODS Data were collected from the datasets of the Korean National Health and Nutrition Examination Survey between 2007 and 2010. The total number of eligible participants was 10,997. We used three measures of insulin resistance: the homeostasis model assessment-insulin resistance (HOMA-IR), McAuley index, and triglyceride and glucose (TyG) index. The estimated cut-off values were determined using the highest score of the Youden index. RESULTS The area under the curve (AUC) of the HOMA-IR, McAuley index, and TyG index were 0.737 (95% confidence interval [CI], 0.725-0.750), 0.861 (95% CI, 0.853-0.870), and 0.877 (95% CI, 0.868-0.885), respectively. The cut-off values of the HOMA-IR were 2.20 in men, 2.55 in premenopausal women, and 2.03 in postmenopausal women, and those of the McAuley index were 6.4 in men and 6.6 in premenopausal and postmenopausal women. For the TyG index, the cut-off values were 4.76 in men and 4.71 in premenopausal and postmenopausal women. CONCLUSION In conclusion, the present study provides the valid cut-off values of the indirect surrogate measures of insulin sensitivity. These values may be used as reference for insulin sensitivity in a clinical setting and may provide a simple and supplementary method for identifying populations at risk of insulin resistance.
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Williams NJ, Castor C, Seixas A, Ravenell J, Jean-Louis G. Sleep Disorders and Symptoms in Blacks with Metabolic Syndrome: The Metabolic Syndrome Outcome Study (MetSO). Ethn Dis 2018; 28:193-200. [PMID: 30038481 DOI: 10.18865/ed.28.3.193] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Introduction Sleep disturbance is a major public health issue and is comorbid with the cluster of conditions associated with metabolic syndrome (MetS). Our study explored the presence of sleep disturbance, including daytime sleepiness, the risk for obstructive sleep apnea (OSA), and insomnia symptoms, in a cohort of adult Black men and women with MetS. Methods Patients (n=1,013) from the Metabolic Syndrome Outcome Study (MetSO), 2009-2012, met criteria for MetS based on guidelines from the National Cholesterol Education Program's Adult Treatment Panel and provided sociodemographic data and the Apnea Risk Evaluation System (ARES) questionnaire to assess OSA risk, sleep characteristics, and physician-reported diagnosis of a sleep disorder. Results Prevalence of the components of MetS included: diabetes (60%); obesity (67%); hypertension (94%); and dyslipidemia (74%). Based on the ARES, 49% were at risk for OSA. Of all study patients, slightly more than half (53%) reported feeling sleepy during the day, and 10% reported an insomnia diagnosis. The most common sleep disturbance reported by 46% of the patients was early morning awakenings (EMA). This was closely followed by 42% who reported difficulty staying asleep (DSA) and 38% reporting difficulty falling asleep (DFA). Seventy percent reported short sleep (≤ 6 hours), whereas a minority (19%) reported long sleep (≥ 9 hours). Only 12% used sleep aids. Women, compared with men, reported greater daytime sleepiness, greater DFA, and greater DSA (57% vs 45%; 41% vs 32.4%; 45% vs 37%), respectively. Conclusion Blacks with MetS reported insomnia symptoms and insomnia disorder, use of sleep aids, feeling sleepy during the day, and inadequate sleep durations. The presence of these sleep characteristics suggests that patients with MetS should be referred for further sleep assessment.
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Jung YA, Kang LL, Kim HN, Park HK, Hwang HS, Park KY. Relationship between Marital Status and Metabolic Syndrome in Korean Middle-Aged Women: The Sixth Korea National Health and Nutrition Examination Survey (2013-2014). Korean J Fam Med 2018; 39:307-312. [PMID: 29976034 PMCID: PMC6166117 DOI: 10.4082/kjfm.17.0020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 08/31/2017] [Indexed: 11/07/2022] Open
Abstract
Background This study aimed to investigate the relationship between marital status and the incidence of metabolic syndrome in Korean middle-aged women. Methods Based on data from the sixth Korea National Health and Nutrition Examination Survey (2013–2014), 3,225 women aged 40–69 years were subjected to the analysis. Marital status was categorized as married, unmarried, separated, widowed, or divorced. The odds ratios (ORs) for metabolic syndrome were calculated based on marital status. After adjustment for age, income level, education level, alcohol intake, smoking status, leisure physical activity, menopause status, daily calories, and fat intake, changes in the OR for metabolic syndrome based on marital status were examined by multivariate logistic regression analysis. Results The OR for metabolic syndrome in the widowed group to the married group was 4.818 (95% confidence interval [CI], 3.861–6.002; P<0.001) and that after adjustment of age, economic level, education level, alcohol intake, smoking status, physical activity, menopause status, total daily calories, and fat intake was 2.141 (CI, 1.432–3.199; P<0.001), both of which were statistically significant. The OR for metabolic syndrome in the unmarried group to the married group was 0.246 (CI, 0.141–0.431; P<0.001) after adjustment of all components. On the contrary, the ORs of the separated group and the divorced group to the married group were not significant. Conclusion In comparison with the married middle-aged group, the widowed middle-aged group tended to have a higher risk of metabolic syndrome, which is speculated to be related to socioeconomic factors and health behavior.
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Kim JH, Ha JI, Park JM, Lee JS, Ahn AL, Oh EJ, Choi JK, Kweon HJ, Cho DY. Association of High-Risk Drinking with Metabolic Syndrome and Its Components in Elderly Korean Men: The Korean National Health and Nutrition Examination Survey 2010-2012. Korean J Fam Med 2018; 39:233-238. [PMID: 29976000 PMCID: PMC6056403 DOI: 10.4082/kjfm.17.0024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 06/15/2017] [Indexed: 01/10/2023] Open
Abstract
Background Previous studies have examined the association between alcohol consumption and metabolic syndrome (MetS) in adults, but studies in the elderly are lacking. We examined the relationship between high-risk alcohol consumption and MetS in elderly Korean men using the Alcohol Use Disorders Identification Test (AUDIT) questionnaire from the 2010–2012 Korean National Health and Nutrition Examination Survey. Methods Among 25,534 subjects, 2,807 were men >60 years of age; after exclusions, we included 2,088 men in the final analysis. We categorized the study participants into three groups according to AUDIT score: low risk (0–7), intermediate risk (8–14), and high risk (≥15 points). Results Among the study population, 17.0% of the men were high-risk drinkers, who had the highest mean waist circumference, systolic and diastolic blood pressure (BP), fasting plasma glucose (FPG), and triglyceride (TG) levels. The overall prevalence of MetS was 41.9% in the elderly men, and it was significantly higher in the group with high (48.3%) versus low (31.9%) AUDIT scores. The prevalence of MetS components (elevated BP, high FPG, high TG, and low high-density lipoprotein cholesterol) was associated with a high AUDIT score. The odds ratios (95%confidence interval) of the high-risk group for MetS, elevated BP, and high TG were 1.40 (1.03–1.89), 1.82 (1.28– 2.60), and 1.77 (1.30–2.41) after adjustment for confounding variables. Conclusion AUDIT score was correlated with most MetS components in elderly Korean men.
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Lee A, Kim YJ, Oh SW, Lee CM, Choi HC, Joh HK, Oh B, Hwang SS, Kim SJ, Kwon OD. Cut-Off Values for Visceral Fat Area Identifying Korean Adults at Risk for Metabolic Syndrome. Korean J Fam Med 2018; 39:239-246. [PMID: 29972898 PMCID: PMC6056408 DOI: 10.4082/kjfm.17.0099] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 10/21/2017] [Indexed: 12/16/2022] Open
Abstract
Background Cut-off values for visceral fat area (VFA) measured by computed tomography (CT) for identifying individuals at risk of metabolic syndrome (MetS) have not been clearly established in Korean adults, particularly for large populations. We aimed to identify optimal VFA and waist circumference (WC) cut-off values and compare the ability of VFA and WC to predict the presence of ≥2 metabolic risk factors. Methods We included 36,783 subjects aged 19–79 years undergoing abdominal fat CT during regular health checkups between January 2007 and February 2015 in Seoul. The risk factors for MetS except WC were based on the International Diabetes Federation criteria. Receiver operating characteristic curve analyses were used to determine the appropriate VFA and WC cut-off values for MetS. Results VFA was a more significant predictor of metabolic risk factors than WC and body mass index (BMI). The optimal cut-off values for VFA and WC were 134.6 cm2 and 88 cm for men and 91.1 cm2 and 81 cm for women, respectively. We estimated age-specific cut-off values for VFA, WC, and BMI. VFA cut-off values increased with age, particularly among women. Conclusion This large population study proposed the cut-off values for VFA and WC for identifying subjects at risk of MetS among Korean adults. For more accurate diagnosis, different age-specific cut-off values for VFA and WC may be considered.
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Lee JH, Seo DH, Nam MJ, Lee GH, Yang DH, Lee MJ, Choi UR, Hong S. The Prevalence of Obesity and Metabolic Syndrome in the Korean Military Compared with the General Population. J Korean Med Sci 2018; 33:e172. [PMID: 29915523 PMCID: PMC6000597 DOI: 10.3346/jkms.2018.33.e172] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 04/13/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Obesity and related metabolic disorders are growing health challenges worldwide and individuals at military service are not exceptions. The purpose of this study was to examine the prevalence of obesity and metabolic syndrome (MS) in the Korean military and to compare with the general population. METHODS This was a cross-sectional study of 4,803 young military participants who underwent a corporal health-screening program between October 2013 and October 2014. The National Cholesterol Education Program Adult Treatment Panel III criteria was used to identify MS. We also sampled 1,108 men aged 19-29 years from the Korea National Health and Nutritional Examination Survey from 2010 to 2013 to compare with their military counterparts. RESULTS The mean age of military participants was 20.8 ± 1.1 years, and 20.6% (n = 988) were obese. The prevalence of MS was 0.8% in military participants, while 7.9% in general population. The risk factors of MS were less prominent among military participants relative to civilians, with the exception of high blood pressure, of which prevalence was higher among military participants (21.5% vs. 18.2%, respectively). In multiple logistic analysis, high physical activity conferred lower odds of MS and obesity in military participants (odds ratios, 0.19 and 0.81, respectively). Age older than 25 years increased risk of most components of MS among civilians. CONCLUSION The prevalence of obesity and MS is lower in military participants compared with civilians of similar age. Monitoring of high blood pressure and proper stress management are warranted in those at military service.
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Abu Farha R, Alefishat E. Shift Work and the Risk of Cardiovascular Diseases and Metabolic Syndrome Among Jordanian Employees. Oman Med J 2018; 33:235-242. [PMID: 29896332 DOI: 10.5001/omj.2018.43] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Objectives We sought to evaluate the effect of night shift working on increasing the risk of developing cardiovascular disease (CVD) using three different predictors. Methods One hundred and forty adult Jordanian employees were recruited in this cross-sectional study. Demographic data, anthropometric parameters, and working patterns information were documented. Metabolic syndrome (MetS) was diagnosed, and atherogenic index of the plasma (AIP) and Framingham risk score were calculated. Results Night shift workers had a significantly higher AIP ratio compared to daytime workers (p = 0.024). No significant association was observed between the two groups in term of 30-year Framingham risk score (p = 0.115). However, the duration of night shifts and the number of night shifts per months were found to significantly increase the 30-year Framingham risk (p = 0.000 and 0.012, respectively). Furthermore, the incidence of MetS among night shift workers was 15.9% (13/82) compared to 10.3% (6/58) among daytime workers (p = 0.484). Conclusions This is the first study to assess the association between night shift work and AIP as well as the 30-year Framingham risk score as predictors of CVDs. Night shift work was associated with an increase in AIP score compared to daytime work. Also, the duration of night shifts and the number of night shifts per month significantly increased the 30-year Framingham risk among night shift workers. These findings suggest an association between night shift work and the risk of CVD and atherosclerosis. Our results highlight the need for interventional strategies to diminish the risk of CVD in night shift workers.
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Hallajzadeh J, Khoramdad M, Karamzad N, Almasi-Hashiani A, Janati A, Ayubi E, Pakzad R, Sullman MJM, Safiri S. Metabolic syndrome and its components among women with polycystic ovary syndrome: a systematic review and meta-analysis. J Cardiovasc Thorac Res 2018; 10:56-69. [PMID: 30116503 PMCID: PMC6088762 DOI: 10.15171/jcvtr.2018.10] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 04/27/2018] [Indexed: 01/24/2023] Open
Abstract
Introduction: The objectives of this study were to provide an estimate of the prevalence of metabolic syndrome (MetS ) and its components among women with PCOS; and calculate the odds ratio (OR) for MetS (using different definitions of MetS) in women with PCOS, compared to healthy controls.
Methods: All of the relevant databases were used to search for appropriate articles that were published during the period 2003-2016. We included observational studies (cross-sectional, comparative cross-sectional) among women who met the inclusion criteria. The random-effect models were used to pool the prevalence of MetS and its components among PCOS women. This model was also applied to the pooled OR assessing the association between MetS and PCOS.
Results: The pooled prevalence of MetS among PCOS women was found to be 26.30% (95% CI: 23.68–28.93), but varied from 7.10% (95% CI: 1.64-12.56) to 37.50% (95% CI: 28.84-46.16), depending upon the diagnostic criteria used. Low high-density lipoprotein cholesterol (HDL) - 61.87% (95% CI: 53.31–70.43) and high waist circumference (WC)- 52.23% (95% CI: 43.84–60.61) were the most common components of MetS in PCOS women. Compared to healthy controls, the overall pooled (OR) of MetS in PCOS patients was 2.09 (95% CI: 1.67-2.60), but this ranged from 0.31 (95% CI: 0.13-0.74) to 4.69 (95% CI: 2.09-10.52), depending upon the diagnostic criteria used.
Conclusion: Women with PCOS had a much higher prevalence of MetS than was found among the healthy controls. Furthermore, as low HDL and high WC were the most common components of MetS in PCOS women, these two components specifically need to be addressed in prevention strategies.
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Azab SS, El Din Hosni H, El Far TA, Ismail NN, El Bakdady YK, Mohamed AF. The Predictive Value of Arteriogenic Erectile Dysfunction for Coronary Artery Disease in Men. J Sex Med 2018; 15:880-887. [PMID: 29759909 DOI: 10.1016/j.jsxm.2018.04.639] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 03/30/2018] [Accepted: 04/19/2018] [Indexed: 12/01/2022]
Abstract
BACKGROUND Erectile dysfunction (ED) is assumed to be connected with vascular disease caused by endothelial dysfunction, and characterized by the incapability of the smooth muscle cells lining the arterioles to relax, therefore, inhibit vasodilatation. AIM To assess the predictive value of arteriogenic ED for coronary artery disease in men above the age of 40 years. METHODS 75 Patients reporting arteriogenic ED and 25 men with normal erectile function were enrolled in the study. Both patients and controls were subjected to the following investigations: lipid profile, fasting blood sugar, body mass index (BMI), waist circumference, penile duplex study, stress electrocardiography (ECG) test, International Index of Erectile Function (IIEF) Type 5 (Arabic version), and cardiovascular (CV) 10-year risk assessment using Framingham and Prospective Cardiovascular Münster (PROCAM) scoring systems. OUTCOMES We compare between the study groups regarding the interpretation of exercise testing. RESULTS We observed significant increase in the mean value of age, systolic blood pressure, BMI, weight, height, and waist circumference in the cases; significant prevalence of obesity and overweight in the cases (P < .001); significant increase in the mean value of total cholesterol, triglycerides (TG), and low-density lipoprotein; and decrease in mean value of high-density lipoprotein in the cases (P < .001). Additionally, there was high incidence of positive stress ECG in the cases (25.3%) vs that in controls (12%), and significant difference between patients with positive stress ECG test and those with negative stress ECG test regarding their lipid profile, age, BMI, and waist circumference with higher values in positive stress ECG for total cholesterol, TG, and low-density lipoprotein, and lower value for high-density lipoprotein (P < .001). According to PROCAM and Framingham scoring systems 10-year risk assessment, there was a high significant difference between the cases and control groups with a higher score in cases than the control group with 30.7% of cases having ≥ 30% risk of developing coronary heart disease, and significant positive correlations between CV risk and BMI, and negative correlations with IIEF-5 cases (P < .001). CLINICAL TRANSLATION Ischemic heart disease events were higher in men with documented arteriogenic ED than those without ED. CONCLUSIONS All items of metabolic syndrome were investigated and analyzed and we evaluated our groups using both PROCAM and Framingham scoring system. An exercise ECG is suggested before starting treatment of vasculogenic ED at least in patients with CV risk factors. Azab SS, Hosni HED, El Far TA, et al. The Predictive Value of Arteriogenic Erectile Dysfunction for Coronary Artery Disease in Men. J Sex Med 2018;15:880-887.
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Płaczkowska S, Pawlik-Sobecka L, Kokot I, Piwowar A. Estimation of metabolic factors related to insulin resistance and metabolic syndrome in young people. Scandinavian Journal of Clinical and Laboratory Investigation 2018; 78:325-332. [PMID: 29741109 DOI: 10.1080/00365513.2018.1469787] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Civilizational developments occurring during recent decades have resulted in an increased incidence of a variety of metabolic disorders related to insulin resistance in younger people. The determination of decision limits for insulin resistance indices, especially among young people, is a significant challenge in clinical practice. The aim of this study was the estimation of metabolic factors related to their relationship to insulin resistance and metabolic syndrome (MS) features in young, apparently healthy people. Moreover, we evaluated the optimal decision limits for patients with MS identification for HOMA1-IR, HOMA2-IR, HOMA2 obtained from C-peptide concentrations. 349 apparently healthy people aged 18-31 (260 women and 89 men), were enrolled in this study. The present analysis of metabolic, anthropometric and clinical parameters observed them in clusters covering the criteria of MS recognition, but MS in this group was only partially related to insulin resistance. The HOMA1-IR decision limit estimation is likely to became be useful in the prognostication of metabolic disturbances in young, apparently healthy people. A measure of insulin resistance that can provide a reliable early prediction of MS is likely to provide an opportunity for instigating preventive measures of significant clinical utility.
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Kheirouri S, Ebrahimi E, Alizadeh M. Association of S100B Serum Levels with Metabolic Syndrome and its Components. ACTA MEDICA PORT 2018; 31:201-206. [PMID: 29855413 DOI: 10.20344/amp.9073] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 02/01/2018] [Accepted: 02/06/2018] [Indexed: 11/20/2022]
Abstract
INTRODUCTION We aimed to compare serum levels of S100B between patients with metabolic syndrome and healthy subjects and to investigate the association of S100B with components of the metabolic syndrome. MATERIALS AND METHODS In this study, 44 patients with metabolic syndrome and 44 healthy subjects participated. The participants' body mass index, waist circumference, systolic and diastolic blood pressure were measured. Serum levels of low and high density lipoprotein cholesterol, total cholesterol, triglyceride, fasting blood glucose, insulin, S100B protein were determined by enzymatic and ELISA methods. RESULTS The participants with metabolic syndrome had significantly higher levels of S100B than those in the control group (p < 0.0001). Serum levels of S100B protein were positively correlated with abdominal obesity (rho = 0.26; p = 0.01) and serum levels of triglyceride (rho = 0.26; p = 0.01). Moreover, serum levels of S100B were higher in subjects with abdominal obesity (p = 0.02), with higher serum triglyceride levels (p = 0.03) and with hypertension (p = 0.01). CONCLUSION The findings indicate that there may be a link between S100B protein with abdominal obesity and serum levels of triglycerides. This warrants further research to elucidate whether increased S100B levels in patients with metabolic syndrome are involved in the pathogenesis of cardiovascular disorders.
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Strait RB, Slattery MJ, Carrel AL, Eickhoff J, Allen DB. Salivary Cortisol Does Not Correlate with Metabolic Syndrome Markers or Subjective Stress in Overweight Children. JOURNAL OF CHILDHOOD OBESITY 2018; 3:8. [PMID: 29998225 PMCID: PMC6037313 DOI: 10.21767/2572-5394.100048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJECTIVE Being overweight is a risk factor for metabolic syndrome in children, but not all overweight children develop metabolic syndrome. Cortisol excess from chronic psychological stress has been proposed as an independent risk factor for metabolic syndrome in this already at-risk population. The present study assesses the relationship of biochemical and body composition radiographic markers of metabolic syndrome to salivary cortisol and self-report of chronic psychological stress in a cohort of overweight children. METHODS This cross-sectional study took place in a multi-disciplinary pediatric obesity clinic at a tertiary care hospital, and involved fifteen children with BMI at or above the 85th percentile for age and sex, 10 of whom provided salivary cortisol samples. The main outcomes measured were salivary bedtime cortisol, first-waking cortisol, and cortisol awakening response (CAR-the rise in cortisol in the first half hour after waking); fasting serum triglycerides, HDL cholesterol, glucose and insulin for HOMA-IR; the ratio of abdominal fat to total body fat by DXA scan; and scores of validated stress and bullying questionnaires (PANAS-C, PSS, and SEC-Q). RESULTS In this pilot study, no correlation was found between salivary cortisol measures and questionnaire scores of subjective stress or bullying, and no correlation was found between any of these measures and markers of metabolic syndrome (dyslipidemia, insulin resistance, increased abdominal fat). CONCLUSIONS These results suggest that measures of psychological stress, whether biochemical or subjective, do not appear to predict risk of metabolic syndrome in overweight children. While ease of collection and demonstrated utility both in detection of pediatric Cushing disease and in adult psychological research make salivary cortisol assessment an attractive clinical tool, further investigation into the value of salivary measures in pediatric stress research is needed.
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Tangren JS, Powe CE, Ecker J, Bramham K, Ankers E, Karumanchi SA, Thadhani R. Metabolic and Hypertensive Complications of Pregnancy in Women with Nephrolithiasis. Clin J Am Soc Nephrol 2018; 13:612-619. [PMID: 29472305 PMCID: PMC5969466 DOI: 10.2215/cjn.12171017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 01/12/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND OBJECTIVES Kidney stones are associated with future development of hypertension, diabetes, and the metabolic syndrome. Our objective was to assess whether stone formation before pregnancy was associated with metabolic and hypertensive complications in pregnancy. We hypothesized that stone formation is a marker of metabolic disease and would be associated with higher risk for maternal complications in pregnancy. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS We conducted a retrospective cohort study of women who delivered infants at the Massachusetts General Hospital from 2006 to 2015. Women with abdominal imaging (computed tomography or ultrasound) before pregnancy were included in the analysis. Pregnancy outcomes in women with documented kidney stones on imaging (stone formers, n=166) were compared with those of women without stones on imaging (controls, n=1264). Women with preexisting CKD, hypertension, and diabetes were excluded. RESULTS Gestational diabetes and preeclampsia were more common in stone formers than nonstone formers (18% versus 6%, respectively; P<0.001 and 16% versus 8%, respectively; P=0.002). After multivariable adjustment, previous nephrolithiasis was associated with higher risks of gestational diabetes (adjusted odds ratio, 3.1; 95% confidence interval, 1.8 to 5.3) and preeclampsia (adjusted odds ratio, 2.2; 95% confidence interval, 1.3 to 3.6). Infants of stone formers were born earlier (38.7±2.0 versus 39.2±1.7 weeks, respectively; P=0.01); however, rates of small for gestational age offspring and neonatal intensive care admission were similar between groups (8% versus 7%, respectively; P=0.33 and 10% versus 6%, respectively; P=0.08). First trimester body mass index significantly influenced the association between stone disease and hypertensive complications of pregnancy: in a multivariable linear regression model, stone formation acted as an effect modifier of the relationship between maximum systolic BP in the third trimester and body mass index (P interaction <0.001). CONCLUSIONS In women without preexisting diabetes, hypertension, and CKD, a history of nephrolithiasis was associated with gestational diabetes and hypertensive disorders of pregnancy, especially in women with high first trimester body mass index.
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Tsushita K, Hosler AS, Miura K, Ito Y, Fukuda T, Kitamura A, Tatara K. Rationale and Descriptive Analysis of Specific Health Guidance: the Nationwide Lifestyle Intervention Program Targeting Metabolic Syndrome in Japan. J Atheroscler Thromb 2018; 25:308-322. [PMID: 29238010 PMCID: PMC5906184 DOI: 10.5551/jat.42010] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 10/23/2017] [Indexed: 01/04/2023] Open
Abstract
AIM All health insurers in Japan are mandated to provide Specific Health Checkups and Specific Health Guidance (SHG) focusing on metabolic syndrome (MetS) in middle-aged adults, beginning in 2008; intensive HG for individuals who have abdominal obesity and two or more additional MetS risk factors, and motivational HG for individuals with one risk factor. The aim of this study is to describe medium-term changes in health indexes for intensive and motivational HG groups using the National Database. METHODS We compared changes of risk factors and initiation of pharmacological therapy over 3 yr between participants (n=31,790) and nonparticipants (n=189,726) who were eligible for SHG in 2008. RESULTS Body weight reduction in intensive HG was 1.98 kg (participants) vs 0.42 kg (nonparticipants) in men (p<0.01) and 2.25 vs 0.68 kg in women (p<0.01) after 1 yr. In motivational HG, the respective reduction was 1.40 vs 0.30 kg in men (p<0.01) and 1.53 vs 0.42 kg in women (p<0.01). Waist circumference reduction was also greatest among participants in intensive HG (2.34 cm in men and 2.98 cm in women). These reductions were fairly unchanged over 3 yr and accompanied greater improvements in MetS risk factors in participants. We also detected significantly smaller percentages of SHG participants who initiated pharmacological therapy compared with nonparticipants. CONCLUSION Participants in SHG showed greater improvements in MetS profiles with proportionally smaller pharmacological treatment initiations than did nonparticipants for 3 yr. Although selection bias may be present, this study suggests SHG would be a feasible strategy to prevent MetS and its sequelae.
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Sattar H, Li H, Han Y, Zhou H, Darbalaei S, Li W. Association Between First Episode Schizophrenia, Metabolic Syndrome and Insulin Resistance-Related Proteins in Female Balb/C Mice. Galen Med J 2018; 7:e692. [PMID: 34466413 PMCID: PMC8343899 DOI: 10.22086/gmj.v0i0.692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 08/24/2016] [Accepted: 09/02/2016] [Indexed: 11/30/2022] Open
Abstract
Background Metabolic syndrome is a group of different disorders mainly includes, insulin resistance, obesity, cerebrovascular disorders, dyslipidemia, which leads to increase mortality. Patients suffering from related psychotic disorders such as schizophrenia are at the higher risk of developing metabolic syndrome. The aim of this study was to evaluate the association between the first episode of schizophrenia, metabolic syndrome and insulin resistance-related proteins in blood and adipose tissue of mice. Materials and Methods Twelve, female Balb/c mice were randomly divided into two groups; one group was injected intraperitoneal MK-801(0.6mg/kg/d) to induce schizophrenia, and other group received the 0.9% normal saline for two weeks. Body weight, fasting blood glucose (FBG), oral glucose tolerance (OGT), and Homeostatic model assessment (HOMA), were observed. Blood and adipose tissue were collected and Western blotting was done to evaluate the insulin resistance related proteins (GGPPS, FAT, PTP-1B, GRK2, ATGL, FGF21, and PGC-1α) by using GAPDH as an internal standard. Results There was a significant increase in mean body weight in schizophrenic group (21.76 vs 22.81, P=004). On day 14, the FBG, insulin concentrations and Homeostatic model assessment and insulin resistance (HOME-IR) were high in schizhphrenic group vs control group, e.g. 5.3±0.6 vs 3.47±0.2 (P=0.0001), 28.9±2.2 vs 23.3±0.6 (P<0.005) and 9.2±1.3 vs 3.9±0.2 (P=0.0001) . Impaired glucose tolerance deranged from 4.8mmol/L to 6.4mmol/L. Western blotting showed a marked increase in the expression of GGPPS, FAT, ATGL, and FGF21 proteins in monocytes and PTP-1B, GRK2, and PGC-1α ratios in adipose tissues. Conclusion There was a positive relation between schizophrenia and metabolic syndrome e.g. insulin resistance and obesity. Certain proteins in adipocytes and blood were responsible for causing insulin resistance.
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Sanguankeo A, Upala S. Metabolic Syndrome Increases Mortality Risk in Dialysis Patients: A Systematic Review and Meta-Analysis. Int J Endocrinol Metab 2018; 16:e61201. [PMID: 30323848 PMCID: PMC6176464 DOI: 10.5812/ijem.61201] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 11/09/2017] [Accepted: 01/21/2018] [Indexed: 01/11/2023] Open
Abstract
CONTEXT Metabolic syndrome (MetS) is documented to increase the risk of mortality in the general population. However, there are reports of lower mortality in end stage renal disease (ESRD) patients with obesity. Since obesity is a major component of MetS, this meta-analysis was conducted to determine the risk of all-cause mortality, cardiovascular disease (CVD) mortality, and cardiovascular disease events (CVE) associated with MetS in ESRD subjects. EVIDENCE ACQUISITION Eligible studies from inception to March 2017 assessing the clinical outcome of MetS in ESRD subjects were comprehensively searched in MEDLINE, EMBASE, and CENTRAL. ESRD participants treated with hemodialysis (HD) or peritoneal dialysis (PD) were included, but renal transplant subjects were excluded. Two authors independently assessed article quality and extracted the data. The primary outcome was all-cause mortality and, secondary outcomes were CVD death and CVE. RESULTS Fifty full-text articles were reviewed and eight studies were included in the meta-analysis, based on the random effects model. ESRD subjects with MetS, as compared with the non-MetS, had significant increased risk of all-cause mortality (pooled RR = 1.92; 95% confidence interval [CI] 1.15 - 3.21; P = 0.01) and CVE (pooled RR = 6.42; 95% CI 2.00 - 20.58). Age, type of dialysis, triglycerides, and HDL-C were significant predictors of risk of mortality, based on univariate meta-regression analyses. CONCLUSIONS Metabolic syndrome is associated with an increased risk of all-cause mortality in ESRD patients.
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Hajian-Tilaki K. Factor Analysis of Metabolic Syndrome Components in an Iranian Non-Diabetic Adult Population: A Population-Based Study from the North of Iran. Int J Endocrinol Metab 2018; 16:e14159. [PMID: 30008757 PMCID: PMC6035354 DOI: 10.5812/ijem.14159] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 01/28/2018] [Accepted: 03/17/2018] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVES The aim of this study was to explore the underlying latent factors that can explain the observed variation of components of metabolic syndrome (MetS) in Iranian non-diabetic adult population. METHODS The researchers performed an exploratory factor analysis (EFA) of metabolic syndrome components, including body mass index (BMI), waist circumference (WC), systolic (SBP) and diastolic blood pressure (DBP), triglyceride (TG), high density lipoprotein (HDL), and Fasting blood sugar (FBS). These observed variables were measured from a representative sample of 841 non-diabetic participants in a cross-sectional population-based study of adults aged 20 to 70 years in the North of Iran. RESULTS Three factors were extracted by EFA in both genders. In males, the 3 generated factors were, 1) blood pressure factor underlying systolic and diastolic blood pressure, 2) obesity factor manifested by BMI and WC, 3) lipid/glucose factor underlying TG, HDL and FBS that explained 23.9%, 23.0% and 18.4% of variance in the observed data, respectively, in males. However, in females, BMI and WC were revealed as obesity factors, and systolic and diastolic blood pressure were characterized as hypertension factor, and TG, HDL and FBS appeared to be loaded on lipid/glucose factor, similar to males, and designated 25.6%, 25.4%, and 15.8% of the variance, respectively. Triglyceride and FBS were positively loaded, whereas HDL was loaded negatively with similar loading pattern in both genders. Overall, these 3 underlying latent factors explained 65.3% of the variance of observed clinical data sets in males and 66.8% in females. When TG and HDL were replaced by TG to HDL ratio and also SBP and DBP by mean arterial pressure (MAP), the two-factor model was generated in both genders. CONCLUSIONS The 2-and 3-factor models were characterized indicating a single pathogenesis that could not explain the unified clustering of MetS in non-diabetic adults.
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Abbasi-Ranjbar Z, Sharami SH, Kazemi S, Sayyad-Abdi D, Dalil Heirati SF. The Relation Between Free Testosterone and Components of Metabolic Syndrome in Women With Polycystic Ovary Syndrome. J Family Reprod Health 2018; 12:1-7. [PMID: 30647752 PMCID: PMC6329990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Objective: To assess the relationship between free testosterone level and components of MS in women with PCOS. Materials and methods: This is a cross-sectional study which was conducted on 215 women with PCOS. PCOS was diagnosed based on the Rotterdam criteria. Patients were divided into two subgroups of patients with and without MS based on ATP III criteria. In each subgroup, the association between individual components of MS with free testosterone was measured. Data were analyzed using SPSS software. Results: The prevalence of MS was 28.8% (n = 62). The mean level of free testosterone in patients with blood pressure ≥ 130/85 was significantly higher than those with blood pressure < 130/85 mm/hg. (p = 0.029) Also, in patients with diastolic blood pressure ≥ 85, the level of free testosterone was significantly higher than patients with diastolic blood pressure < 85. (p = 0.026). Results showed significant positive correlation between the level of free testosterone and cholesterol (p = 0.024). But no significant correlation was noted between levels of free testosterone and other variables. Conclusion: Regarding the relationship between blood pressure and high levels of free testosterone, it seems that regular blood pressure screening has a higher priority of concern comparing other complications for preventing cardiovascular adverse effects in women with PCOS and hyperandrogenism.
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