Evidence map›Paper›PMID 31049589›Full record

ArticleEuropean heart journal2019

Trimethyllysine, a trimethylamine N-oxide precursor, provides near- and long-term prognostic value in patients presenting with acute coronary syndromes.

Xinmin S Li, Slayman Obeid, Zeneng Wang, Benjamin J Hazen, Lin Li, Yuping Wu, Alex G Hurd, Xiaodong Gu, Alan Pratt, Bruce S Levison and 9 more

Open access · greenAbstract readMulticenter Study
In one paragraph

Article in European heart journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
53citing papers in PubMed, 2 pooled it
11.3field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

53 citing papers in PubMed, 2 syntheses or guidelines pooled it, 112 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Quantifying the inclusion of cardiovascular research into clinical guidelines.Clinical research in cardiology : official journal of the German Cardiac Society · 2026
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  15. [Statin intolerance-Statin tolerance].Innere Medizin (Heidelberg, Germany) · 2023
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

19 authors at 8 institutions in 3 countries.

Xinmin S LiDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Slayman ObeidDepartment of Cardiology, University Heart Center, University Hospital Zurich, Ramistrasse 100, CH-8091, Zurich, Switzerland.
Zeneng WangDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Benjamin J HazenDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Lin LiDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Yuping WuDepartment of Mathematics, Cleveland State University, 2121 Euclid Avenue, Cleveland, OH 44115, USA.
Alex G HurdDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Xiaodong GuDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Alan PrattDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Bruce S LevisonDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Yoon-Mi ChungDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Steven E NissenDepartment of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Wai Hong Wilson TangDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
François MachDepartment of Cardiology, Hospital Universitaire de Geneve, Geneva, Rue Gabrielle-Perret-Gentil 4, CH-1211, Geneva 14, Switzerland.
Lorenz RäberDepartment of Cardiology, Swiss Heart Center, Inselspital, Freiburgstrasse 18, CH-3010, Bern, Switzerland.
David NanchenCenter for Primary Care and Public Health (Unisanté), University of Lausanne, Rue du Bugnon 44, CH-1011, Lausanne, Switzerland.
Christian M MatterDepartment of Cardiology, University Heart Center, University Hospital Zurich, Ramistrasse 100, CH-8091, Zurich, Switzerland.
Thomas F LüscherCenter for Molecular Cardiology, University of Zurich, Wagistrasse 12, CH-8952, Schlieren, Switzerland.
Stanley L HazenDepartment of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Cleveland Clinic Lerner College of Medicine · USUniversity Hospital of Zurich · CHCleveland Clinic · USCleveland State University · USHôpital Beau-Séjour · CHUniversity Hospital of Bern · CHUniversity of Lausanne · CHUniversity of Zurich · CH

Funding

Diet, Gut Microbiota, and Heart FailureR01HL126827 · NHLBI · CLEVELAND CLINIC LERNER COM-CWRU · PI HAZEN, STANLEY L, TANG, WAI HONG WILSON · 2016 to 2019
$3.1M
NHLBI NIH HHS R01 HL126827
6 · The paper itself

Abstract

aimsTrimethyllysine (TML) serves as a nutrient precursor of the gut microbiota-derived metabolite trimethylamine N-oxide (TMAO) and is associated with incident cardiovascular (CV) events in stable subjects. We examined the relationship between plasma TML levels and incident CV events in patients presenting with acute coronary syndromes (ACS). METHODS AND

resultsPlasma levels of TML were quantified in two independent cohorts using mass spectrometry, and its relationship with CV events was investigated. In a Cleveland Cohort (N = 530), comprised of patients presenting to the emergency department with chest pain and suspected ACS, TML was associated with major adverse cardiac events (MACE, myocardial infarction, stroke, need for revascularization, or all-cause mortality) over both 30 days [3rd tertile (T3), adjusted odds ratio (OR) 1.77, 95% confidence interval (CI) 1.04-3.01; P < 0.05] and 6 months (T3, adjusted OR 1.95, 95% CI 1.15-3.32; P < 0.05) of follow-up independent of traditional CV risk factors and indices of renal function. Elevated TML levels were also associated with incident long-term (7-year) all-cause mortality [T3, adjusted hazard ratio (HR) 2.52, 95% CI 1.50-4.24; P < 0.001], and MACE even amongst patients persistently negative for cardiac Troponin T at presentation (e.g. 30-day MACE, T3, adjusted OR 4.49, 95% CI 2.06-9.79; P < 0.001). Trimethyllysine in combination with TMAO showed additive significance for near- and long-term CV events, including patients with 'negative' high-sensitivity Troponin T levels. In a multicentre Swiss Cohort (N = 1683) comprised of ACS patients, similar associations between TML and incident 1-year adverse cardiac risks were observed (e.g. mortality, adjusted T3 HR 2.74, 95% CI 1.28-5.85; P < 0.05; and MACE, adjusted T3 HR 1.55, 95% CI 1.04-2.31; P < 0.05).

conclusionPlasma TML levels, alone and together with TMAO, are associated with both near- and long-term CV events in patients with chest pain and ACS.

Indexed as

Acute Coronary SyndromeAgedFemaleHumansLysineMaleMethylaminesMiddle AgedPrognosisProspective StudiesLysineMethylaminestrimethyllysinetrimethyloxamineAcute coronary syndromesGut microbiotaIncident major adverse cardiac eventsMyocardial infarctionTrimethylamine N-oxideTrimethyllysine

Identifiers

PMID31049589
PMCPMC7963132
OpenAlexW2940600697

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.