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The Effect of Three Mediterranean Diets on Remnant Cholesterol and Non-Alcoholic Fatty Liver Disease: A Secondary Analysis.
Campanella, A, Iacovazzi, PA, Misciagna, G, Bonfiglio, C, Mirizzi, A, Franco, I, Bianco, A, Sorino, P, Caruso, MG, Cisternino, AM, et al
Nutrients. 2020;(6)
Abstract
BACKGROUND Elevated fasting remnant cholesterol (REM-C) levels have been associated with an increased cardiovascular risk in patients with metabolic syndrome (Mets) and Non-Alcoholic Fatty Liver Disease (NAFLD). We aimed to estimate the effect of different diets on REM-C levels in patients with MetS, as well as the association between NAFLD and REM-C. METHODS This is a secondary analysis of the MEDIDIET study, a parallel-arm Randomized Clinical Trial (RCT). We examined 237 people with MetS who underwent Liver Ultrasound (LUS) to assess the NAFLD score at baseline, 3-, and 6-months follow-up. Subjects were randomly assigned to the Mediterranean diet (MD), Low Glycemic Index diet (LGID), or Low Glycemic Index Mediterranean diet (LGIMD). REM-C was calculated as [total cholesterol-low density lipoprotein cholesterol (LDL-C)-high density lipoprotein cholesterol (HDL-C)]. RESULTS REM-C levels were higher in subjects with moderate or severe NAFLD than in mild or absent ones. All diets had a direct effect in lowering the levels of REM-C after 3 and 6 months of intervention. In adherents subjects, this effect was stronger among LGIMD as compared to the control group. There was also a significant increase in REM-C levels among Severe NAFLD subjects at 3 months and a decrease at 6 months. CONCLUSIONS fasting REM-C level is independently associated with the grade of severity of NAFLD. LGIMD adherence directly reduced the fasting REM-C in patients with MetS.
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The challenge of multiple cardiovascular risk factor control outside Western Europe: Findings from the International ChoLesterol management Practice Study.
Blom, DJ, Santos, RD, Daclin, V, Mercier, F, Ruiz, AJ, Danchin, N, ,
European journal of preventive cardiology. 2020;(13):1403-1411
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BACKGROUND Comprehensive control of multiple cardiovascular risk factors reduces cardiovascular risk but is difficult to achieve. DESIGN A multinational, cross-sectional, observational study. METHODS The International ChoLesterol management Practice Study (ICLPS) investigated achievement of European Society of Cardiology (ESC)/European Atherosclerosis Society (EAS) guideline low-density lipoprotein cholesterol (LDL-C) targets in patients receiving lipid-modifying therapy in countries outside Western Europe. We examined the rate of, and association between, control of multiple risk factors in ICLPS participants with dyslipidaemia, diabetes and hypertension (N = 2377). RESULTS Mean (standard deviation) age of patients was 61.4 (10.4) years; 51.3% were male. Type 2 diabetes was the most common form of diabetes (prevalence, 96.9%). The prevalence of metabolic syndrome was 67.8%, obesity 40.4%, atherosclerotic disease 39.6% and coronary artery disease 33.5%. All patients were at high (38.2%) or very high (61.8%) cardiovascular risk according to ESC/EAS guidelines. Body mass index (BMI) was <25 kg/m2 in 20.3% of patients, 62.8% had never smoked and 25.2% were former smokers. Overall, 12.2% achieved simultaneous control of LDL-C, diabetes and blood pressure. Risk factor control was similar across all participating countries. The proportion of patients achieving individual guideline-specified treatment targets was 43.9% for LDL-C, 55.5% for blood pressure and 39.3% for diabetes. Multiple correspondence analysis indicated that control of LDL-C, control of blood pressure, control of diabetes, BMI and smoking were associated. CONCLUSION Comprehensive control of multiple cardiovascular risk factors in high-risk patients is suboptimal worldwide. Failure to control one risk factor is associated with poor control of other risk factors.
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GC-MS as a tool for reliable non-invasive prenatal diagnosis of Smith-Lemli-Opitz syndrome but essential also for other cholesterolopathies verification.
Jezela-Stanek, A, Siejka, A, Kowalska, EM, Hosiawa, V, Krajewska-Walasek, M
Ginekologia polska. 2020;(5):287-293
Abstract
Rare multiple congenital malformations/developmental disorders are challenging in clinical diagnosis. The introduction of next-generation sequencing (NGS) has revolutionized this diagnostic by offering multigene panels or whole-exome sequencing. However, if there is no possibility to perform NGS or if we are facing prenatal ultrasound results, clinical diagnostics is even more difficult. For a selected group of congenital metabolic disorders, resulting from defects in cholesterol biosynthesis (called cholesterolopathies), application of gas chromatography-mass spectrometry (GS-MS) may provide or orientate diagnostics. The most common of these is Smith-Lemli-Opitz syndrome (SLOS), but in this publication, we also want to introduce other cholesterolopathies and draw attention to the possibility of non-invasive prenatal diagnosis of SLOS.
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Association of hypertension, diabetes, stroke, cancer, kidney disease, and high-cholesterol with COVID-19 disease severity and fatality: A systematic review.
Zaki, N, Alashwal, H, Ibrahim, S
Diabetes & metabolic syndrome. 2020;(5):1133-1142
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BACKGROUND AND AIMS To undertake a review and critical appraisal of published/preprint reports that offer methods of determining the effects of hypertension, diabetes, stroke, cancer, kidney issues, and high-cholesterol on COVID-19 disease severity. METHODS A search was conducted by two authors independently on the freely available COVID-19 Open Research Dataset (CORD-19). We developed an automated search engine to screen a total of 59,000 articles in a few seconds. Filtering of the articles was then undertaken using keywords and questions, e.g. "Effects of diabetes on COVID/normal coronavirus/SARS-CoV-2/nCoV/COVID-19 disease severity, mortality?". The search terms were repeated for all the comorbidities considered in this paper. Additional articles were retrieved by searching via Google Scholar and PubMed. FINDINGS A total of 54 articles were considered for a full review. It was observed that diabetes, hypertension, and cholesterol levels possess an apparent relation to COVID-19 severity. Other comorbidities, such as cancer, kidney disease, and stroke, must be further evaluated to determine a strong relationship to the virus. CONCLUSION Reports associating cancer, kidney disease, and stroke with COVID-19 should be carefully interpreted, not only because of the size of the samples, but also because patients could be old, have a history of smoking, or have any other clinical condition suggesting that these factors might be associated with the poor COVID-19 outcomes rather than the comorbidity itself. Further research regarding this relationship and its clinical management is warranted.
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Meta-analysis of the effects of probiotic supplementation on glycemia, lipidic profiles, weight loss and C-reactive protein in women with polycystic ovarian syndrome.
Liao, D, Zhong, C, Li, C, Mo, L, Liu, Y
Minerva medica. 2018;(6):479-487
Abstract
INTRODUCTION Several studies have been designed to investigate the beneficial effects of probiotic supplementation on metabolic parameters and inflammation status in women with polycystic ovarian syndrome (PCOS), but results have been inconsistent. Herein, we perform a meta-analysis of randomized controlled trials (RCTs) to evaluate the effects of probiotic supplementation on glycemia control, lipidic profiles, weight loss and C-reactive protein (CRP) in women with PCOS. EVIDENCE ACQUISITION MELINE, EMBASE, and Cochrane Library were searched for RCTs that investigated the effects of probiotic in women with PCOS. Two investigators independently performed the screening, data extraction, and methodological quality assessment. Data were pooled as mean differences (MDs) with 95% confidence intervals (CIs). The statistical heterogeneity was assessed with the I2 test. Sensitivity analyses were performed by the leave-one-out approach. EVIDENCE SYNTHESIS From the literature search, 26 publications were screened and 6 RCTs involving 406 PCOS participants (aged 25-28.5 years) with follow-up period between 8-12 weeks were included. The pooled results showed that probiotic supplement significantly affected the levels of fasting blood insulin (FBI), quantitative insulin sensitivity check index (QUICKI), triglycerides (TG), and very low density lipoprotein-cholesterol (VLDL-C). However, no significant changes were found in other markers, including fasting plasma glucose, homeostatic model assessment-insulin resistance, total cholesterol, low-density lipoprotein-cholesterol, high-density lipoprotein-cholesterol, body weight, CRP, and dehydroepiandrosterone sulfate levels. The pooled result was robust after the sensitivity analysis. CONCLUSIONS Our finding provides evidence that daily probiotic consumption has beneficial effects on decreasing FBI, TG, and VLDL-C, and increasing the QUICKI score in PCOS patients.
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Determining the mechanisms of dietary turnip rapeseed oil on cholesterol metabolism in men with metabolic syndrome.
Saarinen, HJ, Sittiwet, C, Simonen, P, Nissinen, MJ, Stenman, UH, Gylling, H, Palomäki, A
Journal of investigative medicine : the official publication of the American Federation for Clinical Research. 2018;(1):11-16
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We have earlier reported the reduction of total cholesterol, low-density lipoprotein (LDL) cholesterol and oxidized LDL caused by short-term modification of diet with cold-pressed turnip rapeseed oil (CPTRO) instead of butter. The aim of this supplementary study was to determine whether the beneficial effects resulted from altered cholesterol metabolism during the intervention.Thirty-seven men with metabolic syndrome (MetS) completed an open, randomized and balanced crossover study. Subjects' usual diet was supplemented with either 37.5 g of butter or 35 mL of CPTRO for 6-8 weeks. Otherwise normal dietary habits and physical activity were maintained without major variations. Serum non-cholesterol sterols were assayed with gas-liquid chromatography and used as surrogate markers of whole-body cholesterol synthesis and absorption efficiency. Serum proprotein convertase subtilisin/kexin type 9 (PCSK9) concentration was analyzed with Quantikine ELISA Immunoassay. Serum cholesterol synthesis markers and serum cholestanol (absorption marker), all as ratios to cholesterol, did not differ between the periods. Serum campesterol and sitosterol ratios to cholesterol were significantly increased after the administration of CPTRO resulting from the increased intake of 217 mg/day of plant sterols in CPTRO. Serum PCSK9 concentration did not differ between CPTRO and butter periods.The reduction in serum cholesterol by 7.2% after consumption of rapeseed oil could not be explained by changes in cholesterol absorption, synthesis or PCSK9 metabolism in MetS.ClinicalTrials.gov NCT01119690.
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Detailed Description of Change in Serum Cholesterol Profile with Incremental Weight Loss After Restrictive Bariatric Surgery.
Ooi, GJ, Earnest, A, Doyle, L, Laurie, C, Wentworth, JM, Sikaris, K, le Roux, CW, Burton, PR, O'Brien, PE, Brown, WA
Obesity surgery. 2018;(5):1351-1362
Abstract
INTRODUCTION Dyslipidemia affects up to 75% of morbidly obese individuals and is a key driver of cardiovascular disease. Weight loss is an established strategy to improve metabolic risk, including dyslipidemia. We aimed to determine weight loss goals for resolution of serum lipid abnormalities, by measuring improvements during progressive weight loss in obese individuals. METHODS We performed a prospective cohort study of obese individuals with the metabolic syndrome undergoing adjustable gastric banding. Lipid levels were monitored monthly for 9 months, then three monthly until 24 months. RESULTS There were 101 participants included, age 47.4 ± 10.9 years with body mass index 42.6 ± 5.9 kg/m2. At 24 months, total body weight loss (TBWL) was 18.3 ± 7.9%. This was associated with significant improvements in high-density lipoprotein (HDL) (1.18 vs 1.47, p < 0.001), triglyceride (2.0 vs 1.4, p < 0.001), and total cholesterol to HDL ratio (TC:HDL) (4.6 vs 3.6, p < 0.001). Over this time, progressive and linear improvements in HDL, triglycerides, and TC:HDL were seen with incremental weight loss (observed at 2.5% TBWL intervals). Significant improvements occurred after a threshold weight loss of 7.5-12.5% TBWL was achieved, with odds ratio (OR) 1.48-2.50 for normalization. These odds improved significantly with increasing weight loss (OR 18.2-30.4 with > 25% TBWL). Despite significant weight loss, there was no significant change in low-density lipoprotein (LDL). CONCLUSION Significant improvements in triglycerides, HDL, and TC:HDL occur after 7.5-12.5% TBWL, with ongoing benefit after greater weight loss. LDL needs to be addressed independently, as this was not observed to respond to weight loss alone. TRIAL REGISTRATION NUMBER Australian Clinical Trials Registry (ACTRN12610000049077).