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Prognostic Value of Elevated Levels of Intestinal Microbe-Generated Metabolite Trimethylamine-N-Oxide in Patients With Heart Failure: Refining the Gut Hypothesis

Journal of the American College of Cardiology, 2014-11, Vol.64 (18), p.1908-1914 [Peer Reviewed Journal]

2015 INIST-CNRS ;Copyright © 2014 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved. ;2014 Elsevier Inc. All rights reserved. 2014 ;ISSN: 0735-1097 ;EISSN: 1558-3597 ;DOI: 10.1016/j.jacc.2014.02.617 ;PMID: 25444145 ;CODEN: JACCDI

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Title:
Prognostic Value of Elevated Levels of Intestinal Microbe-Generated Metabolite Trimethylamine-N-Oxide in Patients With Heart Failure: Refining the Gut Hypothesis
Author: TANG, W. H. Wilson ; ZENENG WANG ; YIYING FAN ; LEVISON, Bruce ; HAZEN, Jennie E ; DONAHUE, Lillian M ; YUPING WU ; HAZEN, Stanley L
Subjects: Aged ; Biological and medical sciences ; Biomarkers - blood ; Cardiology. Vascular system ; Female ; Follow-Up Studies ; Heart ; Heart Failure - blood ; Heart Failure - mortality ; Heart failure, cardiogenic pulmonary edema, cardiac enlargement ; Humans ; Intestines - metabolism ; Intestines - microbiology ; Kaplan-Meier Estimate ; Male ; Mass Spectrometry ; Medical sciences ; Methylamines - blood ; Microbiota ; Middle Aged ; Ohio - epidemiology ; Prognosis ; Prospective Studies ; Risk Assessment - methods ; Survival Rate - trends ; Time Factors
Is Part Of: Journal of the American College of Cardiology, 2014-11, Vol.64 (18), p.1908-1914
Description: Altered intestinal function is prevalent in patients with heart failure (HF), but its role in adverse outcomes is unclear. This study investigated the potential pathophysiological contributions of intestinal microbiota in HF. We examined the relationship between fasting plasma trimethylamine-N-oxide (TMAO) and all-cause mortality over a 5-year follow-up in 720 patients with stable HF. The median TMAO level was 5.0 μM, which was higher than in subjects without HF (3.5 μM; p < 0.001). There was modest but significant correlation between TMAO concentrations and B-type natriuretic peptide (BNP) levels (r = 0.23; p < 0.001). Higher plasma TMAO levels were associated with a 3.4-fold increased mortality risk. Following adjustments for traditional risk factors and BNP levels, elevated TMAO levels remained predictive of 5-year mortality risk (hazard ratio [HR]: 2.2; 95% CI: 1.42 to 3.43; p < 0.001), as well as following the addition of estimated glomerular filtration rate to the model (HR: 1.75; 95% CI: 1.07 to 2.86; p < 0.001). High TMAO levels were observed in patients with HF, and elevated TMAO levels portended higher long-term mortality risk independent of traditional risk factors and cardiorenal indexes.
Publisher: New York, NY: Elsevier
Language: English
Identifier: ISSN: 0735-1097
EISSN: 1558-3597
DOI: 10.1016/j.jacc.2014.02.617
PMID: 25444145
CODEN: JACCDI
Source: Geneva Foundation Free Medical Journals at publisher websites
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Prognostic Value of Elevated Levels of Intestinal Microbe-Generated Metabolite Trimethylamine-N-Oxide in Patients With Heart Failure: Refining the Gut Hypothesis

2015 INIST-CNRS ;Copyright © 2014 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved. ;2014 Elsevier Inc. All rights reserved. 2014 ;ISSN: 0735-1097 ;EISSN: 1558-3597 ;DOI: 10.1016/j.jacc.2014.02.617 ;PMID: 25444145 ;CODEN: JACCDI

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