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Träfflista för sökning "WFRF:(Newby L Kristin) ;pers:(Wallentin Lars)"

Sökning: WFRF:(Newby L Kristin) > Wallentin Lars

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  • Thygesen, Kristian, et al. (författare)
  • Third universal definition of myocardial infarction
  • 2012
  • Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097 .- 1558-3597. ; 60:16, s. 1581-1598
  • Tidskriftsartikel (refereegranskat)
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  • Becker, Richard C., et al. (författare)
  • Effect of apixaban, an oral and direct factor Xa inhibitor, on coagulation activity biomarkers following acute coronary syndrome
  • 2010
  • Ingår i: Thrombosis and Haemostasis. - 0340-6245 .- 2567-689X. ; 104:5, s. 976-983
  • Tidskriftsartikel (refereegranskat)abstract
    • Apixaban is an oral, direct factor Xa inhibitor under development for secondary prevention in acute coronary syndrome (ACS) Apixaban's effect on D dimer and prothrombin fragment 12 (F1 2) (coagulation activity biomarkers) was determined in a randomised, double blinded, placebo controlled phase 2 study Patients (n=1,715) with either ST segment elevation or non ST segment elevation ACS received either placebo or apixaban 2 5 mg twice daily 10 mg once daily, 10 mg twice daily or 20 mg once daily for six months Samples were obtained at baseline (before study drug administration), week 3 and week 26 Apixaban plasma concentrations were measured directly by liquid chromatography/mass spectometry and anti Xa activity was determined using apixaban as a reference standard D dimer and F 1 2 were measured using ELISA based methods Most patients had elevated D dimer and Fl 2 levels at baseline Both coagulation activity biomarkers decreased by week 3 in all treatment groups but to a greater degree with apixaban than placebo (p<0 001) In a multivariable analysis, apixaban was independently associated with a change in biomarkers over time (p<0 0001) While the overall decrease did not differ significantly among the three highest apixaban doses, Fl 2 was suppressed more rapidly by the 10 mg once daily than the 2 5 mg twice daily dose (p<0 05) There was a strong and direct relationship between apixaban plasma concentrations and anti Xa apixaban levels, and an inverse relationship for both measures with coagulation activity biomarkers In conclusion the oral direct factor Xa inhibitor apixaban significantly reduced coagulation activity biomarkers among patients with ACS The 10 mg once daily dose reduced thrombin generation (F 1 2) and fibrin formation (D dimer) more rapidly and robustly than the 25 mg twice daily dose The effect on both D dimer and F 12 was apixaban concentration and factor Xa inhibition dependent durable and provided general guidance for dose selection in phase 3 investigation.
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  • Lopes, Renato D., et al. (författare)
  • Highlights from the III International Symposium of Thrombosis and Anticoagulation (ISTA), October 14-16, 2010, Sao Paulo, Brazil
  • 2011
  • Ingår i: Journal of Thrombosis and Thrombolysis. - : Springer Science and Business Media LLC. - 0929-5305 .- 1573-742X. ; 32:2, s. 242-266
  • Tidskriftsartikel (refereegranskat)abstract
    • To discuss and share knowledge around advances in the care of patients with thrombotic disorders, the Third International Symposium of Thrombosis and Anticoagulation was held in So Paulo, Brazil, from October 14-16, 2010. This scientific program was developed by clinicians for clinicians, and was promoted by four major clinical research institutes: the Brazilian Clinical Research Institute, the Duke Clinical Research Institute of the Duke University School of Medicine, the Canadian VIGOUR Centre, and the Uppsala Clinical Research Center. Comprising 3 days of academic presentations and open discussion, the symposium had as its primary goal to educate, motivate, and inspire internists, cardiologists, hematologists, and other physicians by convening national and international visionaries, thought-leaders, and dedicated clinician-scientists. This paper summarizes the symposium proceedings.
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8.
  • Lopes, Renato D., et al. (författare)
  • Warfarin Use and Outcomes in Patients with Atrial Fibrillation Complicating Acute Coronary Syndromes
  • 2010
  • Ingår i: American Journal of Medicine. - : Elsevier BV. - 0002-9343 .- 1555-7162. ; 123:2, s. 134-140
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: We examined warfarin use at discharge (according to Congestive heart failure, Hypertension, Age > 75 years, Diabetes, Prior Stroke/transient ischemic attack score and bleeding risk) and its association with 6-month death or myocardial infarction in patients with post-acute coronary syndrome atrial fibrillation. METHODS: Of the 23,208 patients enrolled in the Platelet IIb/IIIa in Unstable Angina: Receptor Suppression Using Integrilin Therapy, Platelet IIb/IIIa Antagonist for the Reduction of Acute Coronary Syndrome Events in a Global Organization Network A, and Superior Yield of the New Strategy of Enoxaparin, Revascularization and Glycoprotein IIb/IIIa Inhibitors trials, 4.0% (917 patients) had atrial fibrillation as an in-hospital complication and were discharged alive. Cox proportional hazards models were performed to assess 6-month outcomes after discharge. RESULTS: Overall, 13.5% of patients with an acute coronary syndrome complicated by atrial fibrillation received warfarin at discharge. Warfarin use among patients with atrial fibrillation had no relation with estimated stroke risk; similar rates were observed across Congestive heart failure, Hypertension, Age > 75 years, Diabetes, Prior Stroke/transient ischemic attack (CHADS(2)) scores (0, 13%; 1, 14%: >= 2, 13%) and across different bleeding risk categories (low risk, 11.9%: intermediate risk, 13.3%; high risk, 11.1%). Among patients with in-hospital atrial fibrillation, warfarin use at discharge was independently associated with a lower risk of death or myocardial infarction within 6 months of discharge (hazard ratio 0.39; 95% confidence interval, 0.15-0.98). CONCLUSION: Warfarin is associated with better 6-month outcomes among patients with atrial fibrillation complicating an acute coronary syndrome, but its use is not related to CHADS(2) score or bleeding risk.
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  • Newman, Jonathan D., et al. (författare)
  • Biomarkers and cardiovascular events in patients with stable coronary disease in the ISCHEMIA Trials
  • 2023
  • Ingår i: American Heart Journal. - : Elsevier. - 0002-8703 .- 1097-6744. ; 266, s. 61-73
  • Tidskriftsartikel (refereegranskat)abstract
    • ImportanceBiomarkers may improve prediction of cardiovascular events for patients with stable coronary artery disease (CAD), but their importance in addition to clinical tests of inducible ischemia and CAD severity is unknown.ObjectivesTo evaluate the prognostic value of multiple biomarkers in stable outpatients with obstructive CAD and moderate or severe inducible ischemia.Design and settingThe ISCHEMIA and ISCHEMIA CKD trials randomized 5,956 participants with CAD to invasive or conservative management from July 2012 to January 2018; 1,064 participated in the biorepository.Main outcome measuresPrimary outcome was cardiovascular death, myocardial infarction (MI), or hospitalization for unstable angina, heart failure, or resuscitated cardiac arrest. Secondary outcome was cardiovascular death or MI. Improvements in prediction were assessed by cause-specific hazard ratios (HR) and area under the receiver operating characteristics curve (AUC) for an interquartile increase in each biomarker, controlling for other biomarkers, in a base clinical model of risk factors, left ventricular ejection fraction (LVEF) and ischemia severity. Secondary analyses were performed among patients in whom core-lab confirmed severity of CAD was ascertained by computed cardiac tomographic angiography (CCTA).ExposuresBaseline levels of interleukin-6 (IL-6), high sensitivity troponin T (hsTnT), growth differentiation factor 15 (GDF-15), N-terminal pro-B-type natriuretic peptide (NT-proBNP), lipoprotein a (Lp[a]), high sensitivity C-reactive protein (hsCRP), Cystatin C, soluble CD 40 ligand (sCD40L), myeloperoxidase (MPO), and matrix metalloproteinase 3 (MMP3).ResultsAmong 757 biorepository participants, median (IQR) follow-up was 3 (2-5) years, age was 67 (61-72) years, and 144 (19%) were female; 508 had severity of CAD by CCTA available. In an adjusted multimarker model with hsTnT, GDF-15, NT-proBNP and sCD40L, the adjusted HR for the primary outcome per interquartile increase in each biomarker was 1.58 (95% CI 1.22, 2.205), 1.60 (95% CI 1.16, 2.20), 1.61 (95% 1.22, 2.14), and 1.46 (95% 1.12, 1.90), respectively. The adjusted multimarker model also improved prediction compared with the clinical model, increasing the AUC from 0.710 to 0.792 (P < .01) and 0.714 to 0.783 (P < .01) for the primary and secondary outcomes, respectively. Similar findings were observed after adjusting for core-lab confirmed atherosclerosis severity.Conclusions and relevanceAmong ISCHEMIA biorepository participants, biomarkers of myocyte injury/distension, inflammation, and platelet activity improved cardiovascular event prediction in addition to risk factors, LVEF, and assessments of ischemia and atherosclerosis severity. These biomarkers may improve risk stratification for patients with stable CAD.
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  • Tricoci, Pierluigi, et al. (författare)
  • Prognostic and Practical Validation of Current Definitions of Myocardial Infarction Associated With Percutaneous Coronary Intervention
  • 2018
  • Ingår i: JACC. - : Elsevier. - 1936-8798 .- 1876-7605. ; 11:9, s. 856-864
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES In 13,038 patients with non-ST-segment elevation acute coronary syndrome undergoing index percutaneous coronary intervention (PCI) in the EARLY ACS (Early Glycoprotein IIb/IIIa Inhibition in Non-ST-Segment Elevation Acute Coronary Syndrome) and TRACER (Thrombin Receptor Antagonist for Clinical Event Reduction in Acute Coronary Syndrome) trials, the relationship between PCI-related myocardial infarction (MI) and 1-year mortality was assessed. BACKGROUND The definition of PCI-related MI is controversial. The third universal definition of PCI-related MI requires cardiac troponin >5 times the 99th percentile of the normal reference limit from a stable or falling baseline and PCI-related clinical or angiographic complications. The definition from the Society for Cardiovascular Angiography and Interventions (SCAI) requires creatine kinase-MB elevation >10 times the upper limit of normal (or 5 times if new electrocardiographic Q waves are present). Implications of these definitions on prognosis, prevalence, and implementation are not established. METHODS In our cohort of patients undergoing PCI, PCI-related MIs were classified using the third universal type 4a MI definition and SCAI criteria. In the subgroup of patients included in the angiographic core laboratory (ACL) substudy of EARLY ACS (n 1/4 1,401) local investigator-versus ACL-reported angiographic complications were compared. RESULTS Altogether, 2.0% of patients met third universal definition of PCI-related MI criteria, and 1.2% met SCAI criteria. One-year mortality was 3.3% with the third universal definition (hazard ratio: 1.96; 95% confidence interval: 1.24 to 3.10) and 5.3% with SCAI criteria (hazard ratio: 2.79; 95% confidence interval: 1.69 to 4.58; p < 0.001). Agreement between ACL and local investigators in detecting angiographic complications during PCI was overall moderate (kappa = 0.53). CONCLUSIONS The third universal definition of MI and the SCAI definition were both associated with significant risk for mortality at 1 year. Suboptimal concordance was observed between ACL and local investigators in identifying patients with PCI complications detected on angiography. (Trial to Assess the Effects of Vorapaxar [SCH 530348; MK-5348] in Preventing Heart Attack and Stroke in Participants With Acute Coronary Syndrome [TRA. CER] [Study P04736]; NCT00527943; EARLY ACS: Early Glycoprotein IIb/IIIa Inhibition in Patients With Non-ST-Segment Elevation Acute Coronary Syndrome [Study P03684AM2]; NCT00089895) (c) 2018 by the American College of Cardiology Foundation.
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