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Whey protein supplementation for the preservation of mass and muscular strength of patients with heart failure: study protocol for a randomized controlled trial.

ABSTRACT: BACKGROUND:Heart failure (HF) is an important public health problem, considered a new epidemic with high morbidity and mortality. The progression of HF often determines weight reduction, muscle mass loss, and reduced physical ability. Whey protein supplementation may increase the effects of exercise on strength and muscle mass, in addition to promoting improved endothelial function, body composition and quality of life. However, studies are needed to evaluate its benefits in patients with HF. METHODS/DESIGN:This is a double-blind, randomized, placebo-controlled clinical trial in which patients with HF will be randomly allocated to two groups to receive supplementation with whey protein or placebo, associated with supervised exercise, for 12 weeks. The frequency of exercise will be three times a week. The study variables will be evaluated at baseline and 12 weeks. The main outcome will be maintenance of muscle mass and strength. Microvascular reactivity, quality of life, and inflammatory parameters will be evaluated as secondary outcomes. DISCUSSION:HF is associated with severe loss of muscle mass and strength, directly contributing to exercise intolerance and inability to maintain daily life activities, becoming a strong predictor of reduced quality of life and mortality. The results of this study will add to the evidence base for providing new dietary recommendations. TRIAL REGISTRATION:ClinicalTrials.gov, ID: NCT03142399 . Registered on 29 May 2016. Effect of Whey Protein' Supplementation and Exercise in Patients with Heart Failure (PROT-HF).

SUBMITTER: Dos Santos EM

PROVIDER: S-EPMC6083622 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Whey protein supplementation for the preservation of mass and muscular strength of patients with heart failure: study protocol for a randomized controlled trial.

Dos Santos Elisa Maia EM de Moraes Roger R Tibiriça Eduardo Vera EV Huguenin Grazielle Vilas Bôas GVB Moreira Annie Seixas Belo ASB De Lorenzo Andrea Rocha AR

Trials 20180808 1

<h4>Background</h4>Heart failure (HF) is an important public health problem, considered a new epidemic with high morbidity and mortality. The progression of HF often determines weight reduction, muscle mass loss, and reduced physical ability. Whey protein supplementation may increase the effects of exercise on strength and muscle mass, in addition to promoting improved endothelial function, body composition and quality of life. However, studies are needed to evaluate its benefits in patients wit ...[more]

PMID: 30089525

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Project description:ObjectiveTo determine the effectiveness of whey protein (WP) supplementation during resistance exercise training (RET) vs. RET with or without placebo supplementation on skeletal muscle mass, strength, and physical performance in older people with Sarcopenia.MethodsElectronic searches in the PubMed, Embase, Scopus, Web of Science, LILACS, SPORTDiscus, Epistemonikos, and CINAHL databases were performed until 20 January 2023. Randomized clinical trials conducted on sarcopenic adults aged 60 or older were included. The studies had to compare the effectiveness of the addition of supplements based on concentrated, isolated, or hydrolyzed whey protein during RET and compare it with RET with or without placebo supplementation on skeletal muscle mass and strength changes. The study selection process, data extraction, and risk of bias assessment were carried out by two independent reviewers.ResultsSeven randomized clinical trials (591 participants) were included, and five of them provided data for quantitative synthesis. The overall pooled standardized mean difference (SMD) estimate showed a small effect size in favor of RET plus WP for skeletal muscle mass according to appendicular muscle index, with statistically significant differences compared with RET with or without the placebo group (SMD = 0.24; 95% CI, 0.05 to 0.42; p = 0.01; I2 = 0%, p = 0.42). The overall pooled mean difference (MD) estimate showed a significant difference of +2.31 kg (MD = 2.31 kg; 95% CI, 0.01 to 4.6; p = 0.05; I2 = 81%, p < 0.001) in handgrip strength in the RET plus WP group compared with the RET group with or without placebo. The narrative synthesis revealed discordance between the results of the studies on physical performance.ConclusionsWP supplementation during RET is more effective in increasing handgrip strength and skeletal muscle mass in older people with Sarcopenia compared with RET with or without placebo supplementation. However, the effect sizes were small, and the MD did not exceed the minimally important clinical difference. The quality of the evidence was low to very low according, to the GRADE approach. Further research is needed in this field.

Dataset Information

Whey protein supplementation for the preservation of mass and muscular strength of patients with heart failure: study protocol for a randomized controlled trial.

Publications

Whey protein supplementation for the preservation of mass and muscular strength of patients with heart failure: study protocol for a randomized controlled trial.

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