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  • 1.
    Hijazi, Ziad
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Pol, Tymon
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Oldgren, Jonas
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Lindbäck, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Alexander, John
    Granger, Christopher
    Lopes, Renato
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Novel Prognostic Biomarkers For Ischemic Stroke In Patients With Atrial Fibrillation Using Multimarker Screening: Insights From The Aristotle Trial2018In: Journal of the American College of Cardiology, ISSN 0735-1097, E-ISSN 1558-3597, Vol. 71, no 11, p. 506-506Article in journal (Other academic)
  • 2.
    Pol, Tymon
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Held, Claes
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Westerbergh, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Lindbäck, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Alexander, John H.
    Duke Hlth, Duke Clin Res Inst, Durham, NC USA..
    Alings, Marco
    Working Grp Cardiovasc Res Netherlands, Utrecht, Netherlands..
    Erol, Cetin
    Ankara Univ, Fac Med, Ankara, Turkey..
    Goto, Shinya
    Tokai Univ, Sch Med, Dept Med, Isehara, Kanagawa, Japan..
    Halvorsen, Sigrun
    Univ Oslo, Hosp Ulleval, Dept Cardiol, Oslo, Norway.;Univ Oslo, Oslo, Norway..
    Huber, Kurt
    Wilhelminenshop, Dept Med Cardiol & Intens Care Med 3, Vienna, Austria.;Sigmund Freud Univ, Med Sch, Vienna, Austria..
    Hanna, Michael
    Bristol Myers Squibb, Princeton, NJ USA..
    Lopes, Renato D.
    Duke Hlth, Duke Clin Res Inst, Durham, NC USA..
    Ruzyllo, Witold
    Inst Cardiol, Warsaw, Poland..
    Granger, Christopher B.
    Duke Hlth, Duke Clin Res Inst, Durham, NC USA..
    Hijazi, Ziad
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Dyslipidemia and Risk of Cardiovascular Events in Patients With Atrial Fibrillation Treated With Oral Anticoagulation Therapy: Insights From the ARISTOTLE (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation) Trial2018In: Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, ISSN 2047-9980, E-ISSN 2047-9980, Vol. 7, no 3, article id e007444Article in journal (Refereed)
    Abstract [en]

    BackgroundDyslipidemia is a major risk factor for cardiovascular events. The prognostic importance of lipoproteins in patients with atrial fibrillation is not well understood. We aimed to explore the association between apolipoprotein A1 (ApoA1) and B (ApoB) and cardiovascular events in patients with atrial fibrillation receiving oral anticoagulation. Methods and ResultsUsing data from the ARISTOTLE (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation) trial, ApoA1 and ApoB plasma levels were measured at baseline in 14884 atrial fibrillation patients. Median length of follow-up was 1.9years. Relationships between continuous levels of ApoA1 and ApoB and clinical outcomes were evaluated using Cox models adjusted for cardiovascular risk factors, medication including statins, and cardiovascular biomarkers. A composite ischemic outcome (ischemic stroke, systemic embolism, myocardial infarction, and cardiovascular death) was used as the primary end point. Median (25th, 75th) ApoA1 and ApoB levels were 1.10 (0.93, 1.30) and 0.70g/L (0.55, 0.85), respectively. In adjusted analyses, higher levels of ApoA1 were independently associated with a lower risk of the composite ischemic outcome (hazard ratio, 0.81; P<0.0001). Similar results were observed for the individual components of the composite outcome. ApoB was not significantly associated with the composite ischemic outcome (P=0.8240). Neither apolipoprotein was significantly associated with major bleeding. There was no interaction between lipoproteins and randomized treatment for the primary outcome (both P values 0.2448). ConclusionsIn patients with atrial fibrillation on oral anticoagulation, higher levels of ApoA1 were independently associated with lower risk of ischemic cardiovascular outcomes. Investigating therapies targeting dyslipidemia may thus be useful to improve cardiovascular outcomes in patients with atrial fibrillation. Clinical Trial RegistrationURL: . Unique identifier: NCT00412984.

  • 3.
    Pol, Tymon
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Hijazi, Ziad
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Lindbäck, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Oldgren, Jonas
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Alexander, John
    Granger, Christopher
    Lopes, Renato
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    New Biomarkers Associated With Cardiovascular Death In Patients With Atrial Fibrillation Using Multimarker Screening: Insights From The Aristotle Trial2018In: Journal of the American College of Cardiology, ISSN 0735-1097, E-ISSN 1558-3597, Vol. 71, no 11, p. 330-330Article in journal (Other academic)
    Abstract [en]

    Background

    Atrial fibrillation (AF) is associated with significant mortality. Biomarkers have shown to add predictive value and could facilitate the understanding of key pathophysiologic mechanisms in AF. Using proximity extension assay (PEA), a new multiplex analytic technique enabling analysis of hundreds of plasma biomarkers, we explored the association between 255 cardiovascular and inflammatory biomarkers with cardiovascular death in patients with AF on oral anticoagulation.

    Methods

    From the ARISTOTLE trial of patients with AF, 517 cases of cardiovascular death and 4057 randomly selected controls were included in an unstratified case-control cohort study. Plasma obtained at randomization was analyzed with conventional immunoassays or the OLINK PEA- panels CVDII, CVDIII, and inflammation panel. Median follow-up time was 1.8 years. The association between biomarkers and cardiovascular death was evaluated using Random Forest and individual Cox-regression analyses adjusted for clinical characteristics, renal function, and cardiac biomarkers (NT-proBNP and cTnT-hs), with adjustment for multiple testing.

    Results

    Of the 255 studied biomarkers, NT-proBNP, cTnT-hs, interleukin-6 (IL-6), transferrin receptor protein 1 (TfR1) and fibroblast growth factor 23 (FGF-23) remained statistically significantly associated with cardiovascular death according to both the Random Forest and the adjusted Cox-regression analysis. In the adjusted Cox analysis, the hazard ratio (95% confidence intervals) per interquartile range was 1.58 (1.38 - 1.83) for NT-proBNP, 1.56 (1.40 -1.75) for cTnT-hs, 1.28 (1.14 - 1.44) for IL-6, 1.27 (1.14 - 1.41) for TfR1 and 1.18 (1.09 -1.28) for FGF-23.

    Conclusion

    Among a vast number of biomarkers, NT-proBNP, cTnT-hs, IL-6, TfR1 and FGF-23 had an independent association with cardiovascular death in patients with AF. The associations of TfR1 and FGF-23 with cardiovascular death in AF are novel and the role of iron regulation (TfR1), and phosphate metabolism (FGF-23), warrants further investigation.

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