Prognostic Impact of Metabolic Syndrome in Patients With Heart Failure: A Meta-Analysis of Observational Studies

Background: The metabolic syndrome (MS) is significantly associated with the risk of incident heart failure (HF). However, there are still great controversies about the impact of MS on the prognosis in patients with established HF. This meta-analysis aimed to ascertain the effect of MS on the progno...

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Main Authors: Zhuo-Ming Huang, Wen-Rong Chen, Qi-Wen Su, Zhuo-Wen Huang
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-06-01
Series:Frontiers in Cardiovascular Medicine
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fcvm.2021.704446/full
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author Zhuo-Ming Huang
Wen-Rong Chen
Qi-Wen Su
Zhuo-Wen Huang
author_facet Zhuo-Ming Huang
Wen-Rong Chen
Qi-Wen Su
Zhuo-Wen Huang
author_sort Zhuo-Ming Huang
collection DOAJ
description Background: The metabolic syndrome (MS) is significantly associated with the risk of incident heart failure (HF). However, there are still great controversies about the impact of MS on the prognosis in patients with established HF. This meta-analysis aimed to ascertain the effect of MS on the prognosis in patients with HF.Methods: We searched multiple electronic databases, including PubMed, Opengrey, EMBASE, and Cochran Library, for potential studies up to February 15, 2021. Observational studies that reported the impact of MS on the prognosis in patients with established HF were included for meta-analysis.Results: Ten studies comprising 18,590 patients with HF were included for meta-analysis. The median follow-up duration of the included studies was 2.4 years. Compared with HF patients without MS, the risk of all-cause mortality and cardiovascular mortality was not increased in HF with MS (HR = 1.04, 95% CI = 0.88–1.23 for all-cause mortality; HR = 1.66, 95% CI = 0.56–4.88 for cardiovascular mortality, respectively). However, there was a significant increase in composited cardiovascular events in the HF patients with MS compared with those without MS (HR = 1.73, 95% CI = 1.23–2.45).Conclusions: In patients with established HF, the presence of MS did not show an association on the risk of all-cause mortality or cardiovascular mortality, while it may increase the risk of composite cardiovascular events.
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spelling doaj.art-a958be2c36354b4bbcb0279af8f47f7f2022-12-21T20:32:21ZengFrontiers Media S.A.Frontiers in Cardiovascular Medicine2297-055X2021-06-01810.3389/fcvm.2021.704446704446Prognostic Impact of Metabolic Syndrome in Patients With Heart Failure: A Meta-Analysis of Observational StudiesZhuo-Ming HuangWen-Rong ChenQi-Wen SuZhuo-Wen HuangBackground: The metabolic syndrome (MS) is significantly associated with the risk of incident heart failure (HF). However, there are still great controversies about the impact of MS on the prognosis in patients with established HF. This meta-analysis aimed to ascertain the effect of MS on the prognosis in patients with HF.Methods: We searched multiple electronic databases, including PubMed, Opengrey, EMBASE, and Cochran Library, for potential studies up to February 15, 2021. Observational studies that reported the impact of MS on the prognosis in patients with established HF were included for meta-analysis.Results: Ten studies comprising 18,590 patients with HF were included for meta-analysis. The median follow-up duration of the included studies was 2.4 years. Compared with HF patients without MS, the risk of all-cause mortality and cardiovascular mortality was not increased in HF with MS (HR = 1.04, 95% CI = 0.88–1.23 for all-cause mortality; HR = 1.66, 95% CI = 0.56–4.88 for cardiovascular mortality, respectively). However, there was a significant increase in composited cardiovascular events in the HF patients with MS compared with those without MS (HR = 1.73, 95% CI = 1.23–2.45).Conclusions: In patients with established HF, the presence of MS did not show an association on the risk of all-cause mortality or cardiovascular mortality, while it may increase the risk of composite cardiovascular events.https://www.frontiersin.org/articles/10.3389/fcvm.2021.704446/fullheart failuremetabolic syndromeall-cause mortalitycardiovasclar diseaseprognosis
spellingShingle Zhuo-Ming Huang
Wen-Rong Chen
Qi-Wen Su
Zhuo-Wen Huang
Prognostic Impact of Metabolic Syndrome in Patients With Heart Failure: A Meta-Analysis of Observational Studies
Frontiers in Cardiovascular Medicine
heart failure
metabolic syndrome
all-cause mortality
cardiovasclar disease
prognosis
title Prognostic Impact of Metabolic Syndrome in Patients With Heart Failure: A Meta-Analysis of Observational Studies
title_full Prognostic Impact of Metabolic Syndrome in Patients With Heart Failure: A Meta-Analysis of Observational Studies
title_fullStr Prognostic Impact of Metabolic Syndrome in Patients With Heart Failure: A Meta-Analysis of Observational Studies
title_full_unstemmed Prognostic Impact of Metabolic Syndrome in Patients With Heart Failure: A Meta-Analysis of Observational Studies
title_short Prognostic Impact of Metabolic Syndrome in Patients With Heart Failure: A Meta-Analysis of Observational Studies
title_sort prognostic impact of metabolic syndrome in patients with heart failure a meta analysis of observational studies
topic heart failure
metabolic syndrome
all-cause mortality
cardiovasclar disease
prognosis
url https://www.frontiersin.org/articles/10.3389/fcvm.2021.704446/full
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