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Sökning: WFRF:(Himmelmann Anders)

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31.
  • Kang, Hyun-Jae, et al. (författare)
  • Ticagrelor versus clopidogrel in Asian patients with acute coronary syndrome : A retrospective analysis from the Platelet Inhibition and Patient Outcomes (PLATO) Trial
  • 2015
  • Ingår i: American Heart Journal. - 0002-8703 .- 1097-6744. ; 169:6, s. 899-
  • Tidskriftsartikel (refereegranskat)abstract
    • Background In the PLATO trial, ticagrelor was superior to clopidogrel in reducing cardiovascular events among patients with acute coronary syndrome (ACS) at the expense of increased nonfatal bleeding. Because Asian patients, when compared with non-Asian patients, are believed to be more susceptible to bleeding, we evaluated the effects of ticagrelor compared with clopidogrel in Asian (n = 1,106) and non-Asian (n = 17,515) patients with acute coronary syndrome enrolled in the PLATO study. Methods and Results Interaction between Asian/non-Asian and primary efficacy end point (a composite of vascular death, myocardial infarction, and stroke) and net clinical benefit (composite of primary efficacy end point and coronary artery bypass graft [CABG] surgery or non-CABG-related major bleeding) were evaluated with a Cox proportional hazards model. Baseline demographics and comorbidities were different between Asians and non-Asians. The overall cardiovascular event rates were higher in Asians, but bleeding rates were similar. Despite these observed differences, the effects of ticagrelor versus clopidogrel were not significantly different between Asians and non-Asians with respect to the primary efficacy outcome (hazard ratio for Asians vs non-Asians, 0.84 [95% CI 0.61-1.17] vs 0.85 [95% CI 0.77-0.93], P = .974), net clinical benefit (0.85 [95% CI 0.65-1.11] vs 0.93 [95% CI 0.86-0.99], P = .521), or individual efficacy end points. There was no significant interaction for bleeding (PLATO major bleeding, 1.02 [95% CI 0.70-1.49] vs 1.04 [95% CI 0.95-1.14], P = .938) and other related adverse events with ticagrelor compared with clopidogrel between Asians and non-Asians. Conclusions We observed consistency of effects in Asian patients receiving ticagrelor and clopidogrel in the PLATO study. The relatively modest number of Asian patients in this analysis supports further investigation of larger cohorts to confirm our observations.
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32.
  • Katus, Hugo, et al. (författare)
  • Early diagnosis of acute coronary syndrome
  • 2017
  • Ingår i: European Heart Journal. - 0195-668X .- 1522-9645. ; 38:41, s. 3049-3055
  • Forskningsöversikt (refereegranskat)abstract
    • The diagnostic evaluation of acute chest pain has been augmented in recent years by advances in the sensitivity and precision of cardiac troponin assays, new biomarkers, improvements in imaging modalities, and release of new clinical decision algorithms. This progress has enabled physicians to diagnose or rule-out acute myocardial infarction earlier after the initial patient presentation, usually in emergency department settings, which may facilitate prompt initiation of evidence-based treatments, investigation of alternative diagnoses for chest pain, or discharge, and permit better utilization of healthcare resources. A non-trivial proportion of patients fall in an indeterminate category according to rule-out algorithms, and minimal evidence-based guidance exists for the optimal evaluation, monitoring, and treatment of these patients. The Cardiovascular Round Table of the ESC proposes approaches for the optimal application of early strategies in clinical practice to improve patient care following the review of recent advances in the early diagnosis of acute coronary syndrome. The following specific 'indeterminate' patient categories were considered: (i) patients with symptoms and high-sensitivity cardiac troponin <99th percentile; (ii) patients with symptoms and high-sensitivity troponin <99th percentile but above the limit of detection; (iii) patients with symptoms and high-sensitivity troponin >99th percentile but without dynamic change; and (iv) patients with symptoms and high-sensitivity troponin >99th percentile and dynamic change but without coronary plaque rupture/erosion/dissection. Definitive evidence is currently lacking to manage these patients whose early diagnosis is 'indeterminate' and these areas of uncertainty should be assigned a high priority for research.
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33.
  • Kholaif, Naji, et al. (författare)
  • Baseline Q Waves and Time From Symptom Onset to ST-segment Elevation Myocardial Infarction : Insights From PLATO on the Influence of Sex
  • 2015
  • Ingår i: American Journal of Medicine. - 0002-9343 .- 1555-7162. ; 128:8
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The prognostic value of time from symptom onset to reperfusion may be enhanced by the identification of Q waves on the presenting electrocardiogram (ECG) in patients with ST-segment elevation myocardial infarction (STEMI). We evaluated whether the relative prognostic utility of these 2 metrics was altered by sex. METHODS: Q waves in the distribution of the ST-segment elevation on the baseline ECG were evaluated by a blinded core laboratory in 2838 STEMI patients (2163 men and 675 women) from the PLATelet inhibition and patient Outcomes (PLATO) trial who underwent percutaneous coronary intervention (PCI) within 12 hours of symptom onset. RESULTS: Women were older (median 63 vs 57 years), more likely to be diabetic (24.1% vs 15.5%), hypertensive (69.2% vs 50.9%), and a higher Killip class > I (8.6% vs 5.9%), as compared with men. Whereas the Q waves frequency rose progressively over time to ECG in men, this relationship was attenuated in women (P = .057). Q waves on the baseline ECG were associated with a higher excess hazard of 1-year vascular death in men (hazard ratio [HR] 2.03; 95% confidence interval [CI], 1.13-3.72), and a similar trend existed in women (HR 1.97; 95% CI, 0.86-4.51). Women with baseline Q waves tended to have higher risk of 1-year vascular death than men as continuous time from symptom onset to PCI increased (P[interaction] = .182). CONCLUSIONS: These differences in the evolution of baseline Q waves and relationship between time from symptom onset and vascular death in women and men deserve recognition in future studies of STEMI.
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34.
  • Kontny, Frederic, et al. (författare)
  • Pentraxin-3 vs C-reactive protein and other prognostic biomarkers in acute coronary syndrome : A substudy of the Platelet Inhibition and Patients Outcomes (PLATO) trial
  • 2020
  • Ingår i: European heart journal. Acute cardiovascular care.. - 2048-8726. ; 9:4, s. 313-322
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: We investigated the dynamics, associations with patient characteristics, other biomarkers, and clinical outcomes of pentraxin 3 in acute coronary syndrome.METHODS AND RESULTS: In multivariate analyses, pentraxin 3 measured in 5154 patients randomised in the Platelet Inhibition and Patients Outcomes (PLATO) trial (NCT00391872) was compared with leukocytes, high-sensitivity C-reactive protein, interleukin-6, cystatin C, N-terminal prohormone brain natriuretic peptide, high-sensitivity troponin T and growth differentiation factor 15 concerning prediction of clinical outcome. Pentraxin 3 peaked earlier than high-sensitivity C-reactive protein and was more strongly correlated with N-terminal prohormone brain natriuretic peptide and high-sensitivity troponin T than with high-sensitivity C-reactive protein. The frequency of cardiovascular death, spontaneous myocardial infarction or stroke by quartiles of pentraxin 3 at admission was 6.1%, 7.3%, 9.7% and 10.7%, respectively ( p<0.0001). The hazard ratio per 50% increase of pentraxin 3 was 1.13 (95% confidence interval: 1.07-1.19), p<0.0001. This association remained significant after stepwise adjustments for leukocytes/high-sensitivity C-reactive protein (1.09 (1.02-1.15)), p=0.009, interleukin-6 (1.07 (1.01-1.14)), p=0.026, and cystatin C (1.07 (1.00-1.13)), p=0.044, but not after adjustment for N-terminal prohormone brain natriuretic peptide, high-sensitivity troponin T and growth differentiation factor 15. Admission pentraxin 3 was also associated with several of the individual endpoint components (cardiovascular death/spontaneous myocardial infarction; p=0.008, cardiovascular death; p=0.026, and spontaneous myocardial infarction; p=0.017), but not with stroke. Pentraxin 3 measured in the chronic phase (i.e. at one month) was still predictive of the composite endpoint in univariate analysis (1.12 (1.04-1.20) per 50% increase) p=0.0024, but not after adjustment for the other biomarkers.CONCLUSION: Admission level of pentraxin 3 is a modestly stronger predictor than high-sensitivity C-reactive protein and interleukin-6, but not than N-terminal prohormone brain natriuretic peptide or high-sensitivity troponin T, concerning cardiovascular outcome in acute coronary syndrome. Pentraxin 3 is more strongly correlated with N-terminal prohormone brain natriuretic peptide and high-sensitivity troponin T than with high-sensitivity C-reactive protein.
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35.
  • Kotsia, Anna, et al. (författare)
  • Extent of coronary artery disease and outcomes after ticagrelor administration in patients with an acute coronary syndrome : Insights from the PLATelet inhibition and patient Outcomes (PLATO) trial
  • 2014
  • Ingår i: American Heart Journal. - 0002-8703 .- 1097-6744. ; 168:1, s. 68-75
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Extensive coronary artery disease (CAD) is associated with higher risk. In this substudy of the PLATO trial, we examined the effects of randomized treatment on outcome events and safety in relation to the extent of CAD. Methods Patients were classified according to presence of extensive CAD (defined as 3-vessel disease, left main disease, or prior coronary artery bypass graft surgery). The trial's primary and secondary end points were compared using Cox proportional hazards regression. Results Among 15,388 study patients for whom the extent of CAD was known, 4,646 (30%) had extensive CAD. Patients with extensive CAD had more high-risk characteristics and experienced more clinical events during follow-up. They were less likely to undergo percutaneous coronary intervention (58% vs 79%, P < .001) but more likely to undergo coronary artery bypass graft surgery (16% vs 2%, P < .001). Ticagrelor, compared with clopidogrel, reduced the composite of cardiovascular death, myocardial infarction, and stroke in patients with extensive CAD (14.9% vs 17.6%, hazard ratio [HR] 0.85 [0.73-0.98]) similar to its reduction in those without extensive CAD (6.8% vs 8.0%, HR 0.85 [0.74-0.98], P-interaction = .99). Major bleeding was similar with ticagrelor vs clopidogrel among patients with (25.7% vs 25.5%, HR 1.02 [0.90-1.15]) and without (7.3% vs 6.4%, HR 1.14 [0.98-1.33], P-interaction = .24) extensive CAD. Conclusions Patients with extensive CAD have higher rates of recurrent cardiovascular events and bleeding. Ticagrelor reduced ischemic events to a similar extent both in patients with and without extensive CAD, with bleeding rates similar to clopidogrel.
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36.
  • Kyllerman, Mårten, 1941, et al. (författare)
  • Late cerebral graft versus host reaction in a bone marrow transplanted girl with Hurler (MPS I) disease.
  • 2008
  • Ingår i: Neuropediatrics. - 0174-304X. ; 39:5, s. 249-51
  • Tidskriftsartikel (refereegranskat)abstract
    • A girl with Hurler disease (MPS IH) underwent allogeneic stem cell transplantation at 13 months of age with her one HLA-B antigen mismatch mother as donor. The procedure was complicated by cerebral hemorrhage and a ventricular-peritoneal shunt device was inserted. Mild GVH reactions were rapidly reversed. One year after transplantation ventriculitis was suspected and the shunt was replaced by a ventricular drainage catheter. Antibiotics had no effect and graft-versus-host disease (GVHD) was diagnosed. All symptoms were reversed by prednisolone and cyclosporine. Increased albumin and pleocytosis in the cerebrospinal fluid (CSF) normalized concomitantly. Electron microscopy of the CSF sediment showed debris consisting of numerous complex aggregates of thin lamellae and electron dense fragments with a tight lamellar texture. Biochemical analysis of the CSF sediment proved that the debris contained galactosylceramide and sulfatide. The electron microscopic and biochemical findings were interpreted to represent stripping of central myelin as a result of subacute GVHD in the central nervous system and its desquamation from the brain parenchyma into the ventricular CSF through the post-hemorrhage defect. From reversal of the GVHD at 2 years of age until follow-up at 10 years of age the clinical condition remained stable with no recurrence or deterioration.
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37.
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38.
  • Lindholm, Daniel P, 1982-, et al. (författare)
  • Association of Multiple Biomarkers With Risk of All-Cause and Cause-Specific Mortality After Acute Coronary Syndromes : A Secondary Analysis of the PLATO Biomarker Study
  • 2018
  • Ingår i: JAMA cardiology. - 2380-6583 .- 2380-6591. ; 3:12, s. 1160-1166
  • Tidskriftsartikel (refereegranskat)abstract
    • Importance: Mortality remains at about 5% within a year after an acute coronary syndrome event. Prior studies have assessed biomarkers in relation to all-cause or cardiovascular deaths but not across multiple causes.Objective: To assess if different biomarkers provide information about the risk for all-cause and cause-specific mortality.Design, Setting, and Participants: The Platelet Inhibition and Patient Outcomes (PLATO) trial randomized 18 624 patients with acute coronary syndrome to ticagrelor or clopidogrel from October 2006 through July 2008. In this secondary analysis biomarker substudy, 17 095 patients participated.Main Outcomes and Measures: Death due to myocardial infarction, heart failure, sudden cardiac death/arrhythmia, bleeding, procedures, other vascular causes, and nonvascular causes, as well as all-cause death.Exposures: At baseline, levels of cystatin-C, growth differentiation factor-15 (GDF-15), high-sensitivity C-reactive protein, high-sensitivity troponin I and T, and N-terminal pro-B-type natriuretic peptide (NT-proBNP) were determined.Results: The median (interquartile range) age of patients was 62.0 (54.0-71.0) years. Of 17 095 patients, 782 (4.6%) died during follow-up. The continuous associations between biomarkers and all-cause and cause-specific mortality were modeled using Cox models and presented as hazard ratio (HR) comparing the upper vs lower quartile. For all-cause mortality, NT-proBNP and GDF-15 were the strongest markers with adjusted HRs of 2.96 (95% CI, 2.33-3.76) and 2.65 (95% CI, 2.17-3.24), respectively. Concerning death due to heart failure, NT-proBNP was associated with an 8-fold and C-reactive protein, GDF-15, and cystatin-C, with a 3-fold increase in risk. Regarding sudden cardiac death/arrhythmia, NT-proBNP was associated with a 4-fold increased risk and GDF-15 with a doubling in risk. Growth differentiation factor-15 had the strongest associations with other vascular and nonvascular deaths and was possibly associated with death due to major bleeding (HR, 4.91; 95% CI, 1.39-17.43).Conclusions and Relevance: In patients with acute coronary syndrome, baseline levels of NT-proBNP and GDF-15 were strong markers associated with all-cause death based on their associations with death due to heart failure as well as due to arrhythmia and sudden cardiac death. Growth differentiation factor-15 had the strongest associations with death due to other vascular or nonvascular causes and possibly with death due to bleeding.Trial Registration: ClinicalTrials.gov Identifier: NCT00391872.
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39.
  • Lindholm, Daniel P, et al. (författare)
  • Biomarkers and Coronary Lesions Predict Outcomes after Revascularization in Non-ST-Elevation Acute Coronary Syndrome
  • 2017
  • Ingår i: Clinical Chemistry. - 0009-9147 .- 1530-8561. ; 63:2, s. 573-584
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Risk stratification in non-ST-elevation acute coronary syndrome (NSTE-ACS) is currently mainly based on clinical characteristics. With routine invasive management, angiography findings and biomarkers are available and may improve prognostication. We aimed to assess if adding biomarkers [high-sensitivity cardiac troponin T (cTnT-hs), N-terminal probrain-type natriuretic peptide (NT-proBNP), growth differentiation factor 15 (GDF-15)] and extent of coronary artery disease (CAD) might improve prognostication in revascularized patients with NSTE-ACS.METHODS: In the PLATO (Platelet Inhibition and Patient Outcomes) trial, 5174 NSTE-ACS patients underwent initial angiography and revascularization and had cTnT-hs, NT-proBNP, and GDF-15 measured. Cox models were developed adding extent of CAD and biomarker levels to established clinical risk variables for the composite of cardiovascular death (CVD)/spontaneous myocardial infarction (MI), and CVD alone. Models were compared using c-statistic and net reclassification improvement (NRI).RESULTS: For the composite end point and CVD, prognostication improved when adding extent of CAD, NT-proBNP, and GDF-15 to clinical variables (c-statistic 0.685 and 0.805, respectively, for full model vs 0.649 and 0.760 for clinical model). cTnT-hs did not contribute to prognostication. In the full model (clinical variables, extent of CAD, all biomarkers), hazard ratios (95% CI) per standard deviation increase were for cTnT-hs 0.93(0.81-1.05), NT-proBNP 1.32(1.13-1.53), GDF-15 1.20(1.07-1.36) for the composite end point, driven by prediction of CVD by NT-proBNP and GDF-15. For spontaneous MI, there was an association with NT-proBNP or GDF-15, but not with cTnT-hs.CONCLUSIONS: In revascularized patients with NSTE-ACS, the extent of CAD and concentrations of NT-proBNP and GDF-15 independently improve prognostication of CVD/spontaneous MI and CVD alone. This information may be useful for selection of patients who might benefit from more intense and/or prolonged antithrombotic treatment.
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40.
  • Lindholm, Daniel P, 1982-, et al. (författare)
  • Growth Differentiation Factor 15 at 1 Month After an Acute Coronary Syndrome Is Associated With Increased Risk of Major Bleeding.
  • 2017
  • Ingår i: Journal of the American Heart Association. - 2047-9980 .- 2047-9980. ; 6:4
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Growth differentiation factor-15 (GDF-15) is related to major bleeding when measured at initial presentation in patients with acute coronary syndromes (ACSs) treated with dual antiplatelet therapy. It is unknown whether follow-up measurements provide additional information. The objective of this study was to investigate whether GDF-15 measured 1 month after an ACS provides additional information beyond the baseline levels with regard to the risk of major bleeding.METHODS AND RESULTS: GDF-15 was measured at baseline and at 1 month after an ACS in 4049 patients included in the PLATelet inhibition and patient Outcomes (PLATO) trial. The association between 1-month GDF-15 level and non-coronary artery bypass grafting surgery-related major bleeding was assessed by a multivariable Cox model, adjusting for baseline GDF-15, age, anemia, impaired renal function, history of gastrointestinal bleeding, and sex. Elevated GDF-15 (>1800 ng/L) at 1 month was associated with an increased risk of non-coronary artery bypass grafting-related major bleeding (3.9% versus 1.2%; hazard ratio, 3.38; 95% CI, 1.89-6.06), independent of baseline GDF-15. Patients who had elevated GDF-15 levels at baseline and subsequent nonelevated GDF-15 at 1 month had a similar risk as patients who had nonelevated levels at both measurements.CONCLUSIONS: GDF-15 at 1 month after an ACS is related to the risk of bleeding during DAPT and provides additional information on the bleeding risk beyond baseline GDF-15 levels. GDF-15 levels may therefore be useful as part of decision support concerning long-term antithrombotic treatment in patients post-ACS.CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT00391872.
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