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      The effect of probiotics on serum lipid levels in non-obese healthy adults with hyperlipidemia: a systematic review and meta-analysis of randomized controlled trials Translated title: El efecto de los probióticos sobre los niveles de lípidos séricos en adultos sanos no obesos con hiperlipidemia: revisión sistemática y metaanálisis de ensayos controlados y aleatorizados

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          Abstract

          Abstract Introduction: probiotics might have a potential effect to manage serum lipid levels as nutraceuticals. Objective: this systematic review was conducted to explore whether probiotics have an efficient result in non-obese healthy adults with hyperlipidemia. Methods: PubMed, Embase, the Cochrane Central Register of Controlled Trials, and Web of Science were searched for randomized controlled trials (from their commencement to January 2021). This meta-analysis was performed by Review Manager 5.3 and STATA 15.1. Changes in serum lipid levels after the intervention were used to evaluate the effect of the probiotics, which were expressed as the weighted mean difference (WMD) with a 95 % confidence interval (CI). Results: a total of 16 studies, which could be regarded as 21 independent trials with 1429 participants, were included in this meta-analysis following our inclusion criteria. It could be observed that probiotics could significantly lower total cholesterol (TC) (WMD: -0.34 mmol/L, 95 % CI: -0.45 to -0.23 mmol/L; p < 0.001, I2 = 73.9 %) and low-density lipoprotein cholesterol (LDL-C) (WMD: -0.26 mmol/L, 95 % CI: -0.36 to -0.17 mmol/L; p < 0.001, I2 = 79.0 %) levels in non-obese healthy adults with hyperlipidemia, while no significant effect between the probiotic intervention and control groups was observed on high-density lipoprotein cholesterol (HDL-C) (WMD: 0.00 mmol/L, 95 % CI: -0.02 to 0.02 mmol/L; p = 0.001, I2 = 56.6 %) and triglyceride (TG) (WMD: -0.08 mmol/L, 95 % CI: -0.18 to 0.01 mmol/L; p = 0.003, I2 = 52.4 %) levels. Conclusion: this systematic review showed that probiotics may provide a promising way to reduce serum lipid levels in non-obese healthy adults with hyperlipidemia, but their specific effect still needs more clinical experiments to be proven.

          Translated abstract

          Resumen Introducción: los probióticos podrían tener efecto para controlar los niveles de lípidos séricos como nutracéuticos. Objetivo: esta revisión sistemática se realizó para explorar si los probióticos tienen un resultado eficiente en adultos sanos no obesos con hiperlipidemia. Métodos: se realizaron búsquedas de ensayos controlados aleatorios en PubMed, Embase, el Registro Cochrane Central de Ensayos Controlados y Web of Science (desde su inicio hasta enero de 2021). Este metanálisis fue realizado mediante Review Manager 5.3 y STATA 15.1. Los cambios de los niveles de lípidos séricos después de la intervención se utilizaron para evaluar el efecto de los probióticos, que se expresaron como la diferencia de medias ponderada (DMP) con un intervalo de confianza (IC) del 95 %. Resultados: en este metaanálisis se incluyeron un total de 16 estudios, que podrían considerarse 21 ensayos independientes con 1429 participantes, siguiendo nuestros criterios de inclusión. Se pudo observar que los probióticos podían reducir significativamente el colesterol total (CT) (DMP: -0,34 mmol/L, IC del 95 %: -0,45 a -0,23 mmol/L; p < 0,001, I2 = 73,9 %) y el colesterol de lipoproteínas de baja densidad (C-LDL) (DMP: -0,26 mmol/L, IC del 95 %: -0,36 a -0,17 mmol/L; p < 0,001, I2 = 79,0 %) en los adultos sanos no obesos con hiperlipidemia, mientras que no hubo efectos significativos entre los grupos de intervención y de control en el colesterol de lipoproteínas de alta densidad (HDL-C) (DMP: 0,00 mmol/L, IC del 95 %: -0,02 a 0,02 mmol/L; p = 0,001, I2 = 56,6 %) y los triglicéridos (TG) (DMP: -0,08 mmol/L, IC del 95 %: -0,18 a 0,01 mmol/L; p = 0,003, I2 = 52,4 %). Conclusión: esta revisión sistemática manifestó que los probióticos podrían suponer una forma prometedora de reducir los niveles de lípidos séricos en los adultos sanos no obesos con hiperlipidemia, pero se necesitan más experimentos clínicos para demostrar su efecto específico.

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          Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement.

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            Epidemiology and management of hyperlipidemia.

            Cardiovascular disease (CVD) is the leading cause of death among adults in the United States, and people with hyperlipidemia are at roughly twice the risk of developing CVD as compared to those with normal total cholesterol levels.1 Patients with familial hypercholesterolemia (FH) have an even greater risk of developing CVD at an earlier age; therefore, early detection and treatment are imperative to reduce cardiovascular events and premature death. Statins are the mainstay treatment for hyperlipidemia; however, the limitations of statins include treatment resistance, intolerance due to adverse events, and a lack of adherence which contribute to poor outcomes. As such, many patients require adjunct therapies to properly control hyperlipidemia including niacin, bile acid sequestrants, fibric acids, and ezetimibe. FH can be even more challenging to treat, often requiring the use of lomitapide, mipomersen, proprotein convertase subtilisin/kexin type 9 inhibitors, or low-density lipoprotein cholesterol apheresis, in addition to high dose conjunction with statins or other agents.2 The approach to determining the appropriate treatment options has also undergone important changes. Guidelines for the management of patients with hyperlipidemia vary in their recommendations, with the American College of Cardiology/American Heart Association recommending that treatment decisions be based on the intensity of response associated with various statins, while multiple other guidelines (eg, National Lipid Association (NLA) and the American Association of Clinical Endocrinologists and American College of Endocrinology) still support attaining prespecified lipid values to reduce cardiovascular risk.3-5 This article will review the epidemiology of hyperlipidemia and FH, risk factors associated with the development of disease, as well as the efficacy and safety of statins and adjunct treatment options.
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              Effect of Lactobacillus plantarum 299v on cardiovascular disease risk factors in smokers.

              The short-chain fatty acids formed in the human colon by the bacterial fermentation of fiber may have an antiinflammatory effect, may reduce insulin production, and may improve lipid metabolism. We previously showed in hypercholesterolemic patients that supplementation with the probiotic bacteria Lactobacillus plantarum 299v significantly lowers concentrations of LDL cholesterol and fibrinogen. We determined the influence of a functional food product containing L. plantarum 299v on lipid profiles, inflammatory markers, and monocyte function in heavy smokers. Thirty-six healthy volunteers (18 women and 18 men) aged 35-45 y participated in a controlled, randomized, double-blind trial. The experimental group drank 400 mL/d of a rose-hip drink containing L. plantarum 299v (5 x 10(7) colony-forming units/mL); the control group consumed the same volume of product without bacteria. The experiment lasted 6 wk and entailed no changes in lifestyle. Significant decreases in systolic blood pressure (P < 0.000), leptin (P < 0.000), and fibrinogen (P < 0.001) were recorded in the experimental group. No such changes were observed in the control group. Decreases in F(2)-isoprostanes (37%) and interleukin 6 (42%) were also noted in the experimental group in comparison with baseline. Monocytes isolated from subjects treated with L. plantarum showed significantly reduced adhesion (P < 0.001) to native and stimulated human umbilical vein endothelial cells. L. plantarum administration leads to a reduction in cardiovascular disease risk factors and could be useful as a protective agent in the primary prevention of atherosclerosis in smokers.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                February 2022
                : 39
                : 1
                : 157-170
                Affiliations
                [1] Dalian orgnameDalian Medical University orgdiv1The Second Hospital of Dalian Medical University orgdiv2Department of Cardiovascular Medicine People's Republic of China
                Article
                S0212-16112022000100021 S0212-1611(22)03900100021
                10.20960/nh.03688
                99bf931f-7567-4870-83f1-2e45c5a01780

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 30 October 2021
                : 10 May 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 41, Pages: 14
                Product

                SciELO Spain

                Categories
                Reviews

                Probióticos,Lípidos séricos,Adulto sano no obeso,Hiperlipidemia,Probiotics,Hyperlipidemia,Non-obese healthy adult,Serum lipids

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