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Sökning: WFRF:(Lopes Renato D.)

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131.
  • Spitzer, Ernest, et al. (författare)
  • Critical Appraisal of Contemporary Clinical Endpoint Definitions in Coronary Intervention Trials A Guidance Document
  • 2019
  • Ingår i: JACC. - : Elsevier. - 1936-8798 .- 1876-7605. ; 12:9, s. 805-819
  • Forskningsöversikt (refereegranskat)abstract
    • The Academic Research Consortium (ARC) and the Standardized Data Collection for Cardiovascular Trials Initiative have recently published updated clinical and angiographic endpoint definitions for percutaneous coronary intervention trials. The aim of this document is to provide practical guidance to facilitate and harmonize the implementation of those definitions in randomized trials or registries, as well as to foster consistency among independent adjudication committees. The authors compared the ARC-2 and Standardized Data Collection for Cardiovascular Trials Initiative definitions to identify areas of consistency, complex scenarios, and definitions in need of further standardization. Furthermore, the authors compared the fourth universal definition of myocardial infarction with the ARC-2 definition of myocardial infarction. The Society for Cardiovascular Angiography and Interventions definition of periprocedural myocardial infarction was also compared with the ARC-2 definition and the fourth universal definition of myocardial infarction. An in-depth assessment was done for each individual clinical endpoint to guide clinical investigators on reporting and classifying clinical adverse events. Finally, the authors propose standard streamlined data capture templates for reporting and adjudicating death, myocardial infarction, stroke, revascularization, stent or scaffold thrombosis, and bleeding. (c) 2019 by the American College of Cardiology Foundation.
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132.
  • Spitzer, Ernest, et al. (författare)
  • Independence of clinical events committees : A consensus statement from clinical research organizations
  • 2022
  • Ingår i: American Heart Journal. - : Elsevier. - 0002-8703 .- 1097-6744. ; 248, s. 120-129
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Randomized clinical trials are the gold standard to assess the causal relationship between an intervention and subsequent outcomes, also known as clinical endpoints. In order to limit bias, central clinical events committees (CEC) are established to ensure consistent event reporting across participating centers, as well as complete and accurate ascertainment of endpoints. However, defining independence is challenging.Methods This consensus statement was generated by teleconferences and electronic communications among clinical research organizations from the United States, Europe and Australia. This document does not constitute regulatory guidance.Results An independent CEC is defined when the adjudicators are not primarily involved in designing, funding, sponsoring, organizing, conducting, analyzing or regulating the clinical trial for which they serve as an adjudicator, beyond their role as CEC member. Moreover, independence requires absence of conflicts of interest with the steering committee, sponsor, grant giver, manufacturer, coordinating center, other independent committees, core laboratories, medical monitor, safety physician, participating clinical sites, statistician or data manager, regulatory agencies or authorities, which could influence (or be perceived to influence) a member's objectivity in evaluating trial data. Such conflicts of interest include financial benefits, directing or advisory role (paid or unpaid), decision-making position, as well as being a direct relative. An independent adjudicator has no other role within a clinical trial.Conclusions This consensus statement presents a standardized definition of an independent CEC to be considered by clinical research organizations, manufacturers, and investigators. In addition, it provides recommendations on best practices for implementation of an independent CEC.
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133.
  • Valgimigli, Marco, et al. (författare)
  • Demystifying the Contemporary Role of 12-Month Dual Antiplatelet Therapy After Acute Coronary Syndrome
  • 2024
  • Ingår i: Circulation. - : American Heart Association. - 0009-7322 .- 1524-4539. ; 150:4, s. 317-335
  • Forskningsöversikt (refereegranskat)abstract
    • For almost two decades, 12-month dual antiplatelet therapy (DAPT) in acute coronary syndrome (ACS) has been the only class I recommendation on DAPT in American and European guidelines, which has resulted in 12-month durations of DAPT therapy being the most frequently implemented in ACS patients undergoing percutaneous coronary intervention (PCI) across the globe. Twelve-month DAPT was initially grounded in the results of the CURE (Clopidogrel in Unstable Angina to Prevent Recurrent Events) trial, which, by design, studied DAPT versus no DAPT rather than the optimal DAPT duration. The average DAPT duration in this study was 9 months, not 12 months. Subsequent ACS studies, which were not designed to assess DAPT duration, rather its composition (aspirin with prasugrel or ticagrelor compared with clopidogrel) were further interpreted as supportive evidence for 12-month DAPT duration. In these studies, the median DAPT duration was 9 or 15 months for ticagrelor and prasugrel, respectively. Several subsequent studies questioned the 12-month regimen and suggested that DAPT duration should either be fewer than 12 months in patients at high bleeding risk or more than 12 months in patients at high ischemic risk who can safely tolerate the treatment. Bleeding, rather than ischemic risk assessment, has emerged as a treatment modifier for maximizing the net clinical benefit of DAPT, due to excessive bleeding and no clear benefit of prolonged treatment regimens in high bleeding risk patients. Multiple DAPT de-escalation treatment strategies, including switching from prasugrel or ticagrelor to clopidogrel, reducing the dose of prasugrel or ticagrelor, and shortening DAPT duration while maintaining monotherapy with ticagrelor, have been consistently shown to reduce bleeding without increasing fatal or nonfatal cardiovascular or cerebral ischemic risks compared with 12-month DAPT. However, 12-month DAPT remains the only class-I DAPT recommendation for patients with ACS despite the lack of prospectively established evidence, leading to unnecessary and potentially harmful overtreatment in many patients. It is time for clinical practice and guideline recommendations to be updated to reflect the totality of the evidence regarding the optimal DAPT duration in ACS.
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134.
  • van Diepen, Sean, et al. (författare)
  • Baseline NT-proBNP and biomarkers of inflammation and necrosis in patients with ST-segment elevation myocardial infarction : insights from the APEX-AMI trial
  • 2012
  • Ingår i: Journal of Thrombosis and Thrombolysis. - : Springer Science and Business Media LLC. - 0929-5305 .- 1573-742X. ; 34:1, s. 106-113
  • Tidskriftsartikel (refereegranskat)abstract
    • Coronary plaque rupture is associated with a systemic inflammatory response. The relationship between baseline N-terminal pro B-type natriuretic peptide (NT-proBNP), a prognostic marker in patients with acute coronary syndromes, and systemic inflammatory mediators in patients with ST-segment elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PCI) is not well described. Of 5,745 STEMI patients treated with primary PCI in the APEX-AMI trial, we evaluated the relationship between baseline NT-proBNP levels and baseline levels of inflammatory markers and markers of myonecrosis in a subset of 772 who were enrolled in a biomarker substudy. Spearman correlations (r (s)) were calculated between baseline NT-proBNP levels and a panel of ten systemic inflammatory biomarkers. Interleukin (IL)-6, a pro-inflammatory cytokine, was significantly positively correlated with NT-proBNP (r (s) = 0.317, P < 0.001). In a sensitivity analysis excluding all heart failure patients, the correlation between baseline IL-6 and NT-proBNP remained significant (n = 651, r (s) = 0.296, P < 0.001). A positive association was also observed with high sensitivity C-reactive protein (r (s) = 0.377, P < 0.001) and there was a weak negative correlation with the anti-inflammatory cytokine IL-10 (r (s) = -0.109, P = 0.003). No other significant correlations were observed among the other testes inflammatory cytokines and chemokines. In STEMI patients undergoing primary PCI, the pro-inflammatory cytokine IL-6 was modestly correlated with baseline NT-proBNP levels. This relationship remained significant in patients without heart failure. This finding is consistent with pre-clinical and clinical research suggesting that systemic inflammation may influence NT-proBNP expression independently of myocardial stretch.
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135.
  • van Diepen, Sean, et al. (författare)
  • Prognostic relevance of baseline pro- and anti-inflammatory markers in STEMI : An APEX AMI substudy
  • 2013
  • Ingår i: International Journal of Cardiology. - : Elsevier BV. - 0167-5273 .- 1874-1754. ; 168:3, s. 2127-2133
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Plaque rupture, acute ischemia, and necrosis in acute coronary syndromes are accompanied by concurrent pro-and anti-inflammatory cascades. Whether STEMI clinical prediction models can be improved with the addition of baseline inflammatory biomarkers remains unknown. Methods: In an APEX-AMI trial substudy, 772 patients had a panel of 9 inflammatory serum biomarkers, high sensitivity C reactive protein (hsCRP), and N-terminal pro-B-type natriuretic peptide (NT-proBNP) measured at baseline after randomization. Baseline biomarkers were incorporated into a clinical prediction model for a composite of 90-day death, shock, or heart failure. Incremental prognostic value was assessed using Net Reclassification Improvement (NRI) and Integrated Discrimination Improvement (IDI). Results: Individually, several biomarkers were independent predictors of clinical outcome: hsCRP (hazard ratio [HR] 1.12; 95% confidence interval [CI], 1.03-1.21; p=0.007, per doubling), NT-proBNP (HR 1.14; 95% CI, 1.06-1.23; p<0.001, per doubling), interleukin (IL)-6 (HR 1.26; 95% CI, 1.12-1.41; p<0.001, per doubling), and inducible protein-10 (IP-10) (HR 0.86; 95% CI, 0.76-0.98; p<0.025, per doubling). The addition of baseline NT-proBNP (NRI 8.6%, p=0.028; IDI 0.030, p<0.001) and IL-6 (NRI 8.8%, p=0.012; IDI 0.036, p<0.001) improved the clinical risk prediction model and the addition of hsCRP (NRI 6.5%, p=0.069; IDI 0.018, p=0.004) yielded minimal improvement. After incorporating NT-proBNP into the model, the remaining biomarkers added little additional predictive value. Conclusions: Multiple inflammatory biomarkers independently predicted 90-day death, shock or heart failure; however, they added little value to a clinical prediction model that included NT-proBNP. Future studies of inflammatory biomarkers in STEMI should report incremental value in a prediction model that includes NT-proBNP.
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136.
  • Vinereanu, Dragos, et al. (författare)
  • Echocardiographic Risk Factors for Stroke and Outcomes in Patients With Atrial Fibrillation Anticoagulated With Apixaban or Warfarin
  • 2017
  • Ingår i: Stroke. - 0039-2499 .- 1524-4628. ; 48:12, s. 3266-3273
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND AND PURPOSE: Few data exist on the long-term outcomes of patients with spontaneous echo contrast (SEC), left atrial/left atrial appendage (LA/LAA) thrombus, and complex aortic plaque (CAP), in patients with atrial fibrillation receiving oral anticoagulation. We explored the relationship between these 3 echocardiographic findings and clinical outcomes, and the comparative efficacy and safety of apixaban and warfarin for each finding.METHODS: Patients from the ARISTOTLE trial (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation) with SEC, LA/LAA thrombus, or CAP diagnosed by either transthoracic or transesophageal echocardiography were compared with patients with none of these findings on transesophageal echocardiography.RESULTS: A total of 1251 patients were included: 217 had SEC, 127 had LA/LAA thrombus, 241 had CAP, and 746 had none. The rates of stroke/systemic embolism were not significantly different among patients with and without these echocardiographic findings (hazard ratio, 0.96; 95% confidence interval, 0.25-3.60 for SEC; hazard ratio, 1.27; 95% confidence interval, 0.23-6.86 for LA/LAA thrombus; hazard ratio, 2.21; 95% confidence interval, 0.71-6.85 for CAP). Rates of ischemic stroke, myocardial infarction, cardiovascular death, and all-cause death were also not different between patients with and without these findings. For patients with either SEC or CAP, there was no evidence of a differential effect of apixaban over warfarin. For patients with LA/LAA thrombus, there was also no significant interaction, with the exception of all-cause death and any bleeding where there was a greater benefit of apixaban compared with warfarin among patients with no LA/LAA thrombus.CONCLUSIONS: In anticoagulated patients with atrial fibrillation and risk factors for stroke, echocardiographic findings do not seem to add to the risk of thromboembolic events.CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT00412984.
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137.
  • Vinereanu, Dragos, et al. (författare)
  • Heart rate and death and hospitalization for heart failure in patients with persistent or permanent atrial fibrillation : Insights from the ARISTOTLE trial
  • 2023
  • Ingår i: American Heart Journal. - : Elsevier BV. - 0002-8703 .- 1097-6744. ; 265, s. 132-136
  • Tidskriftsartikel (refereegranskat)abstract
    • Rate control is fundamental in the treatment of patients with atrial fibrillation (AF). The independent association of heart rate with outcomes and range of heart rate associated with best outcomes remains uncertain. We assessed the relationship between heart rate and clinical outcomes in patients with persistent or permanent AF enrolled in the randomized, double-blind ARISTOTLE trial. In patients with persistent or permanent AF, a faster heart rate is associated with a modest, but statistically significant increase in death and heart failure hospitalizations.
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138.
  • Vinereanu, Dragos, et al. (författare)
  • Outcomes in anticoagulated patients with atrial fibrillation and with mitral or aortic valve disease
  • 2018
  • Ingår i: Heart. - : BMJ PUBLISHING GROUP. - 1355-6037 .- 1468-201X. ; 104:15, s. 1292-1299
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To assess stroke/systemic embolism, major bleeding and other outcomes, and treatment effect of apixaban versus warfarin, in patients with atrial fibrillation (AF) and different types of valvular heart disease (VHD), using data from the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation trial.Methods: There were 14 793 patients with known VHD status, categorised as having moderate or severe mitral regurgitation (MR) (n=3382), aortic regurgitation (AR) (n=842) or aortic stenosis (AS) (n=324); patients with moderate or severe mitral stenosis were excluded from the trial. Baseline characteristics, efficacy and safety outcomes were compared between each type and no significant VHD. Treatment effect was assessed using an adjusted model.Results: Patients with MR or AR had similar rates of stroke/systemic embolism and bleeding compared with patients without MR or AR, respectively. Patients with AS had significantly higher event rates (presented as rate per 100 patient-years of follow-up) of stroke/systemic embolism (3.47 vs 1.36; adjusted HR (adjHR) 2.21, 95% CI 1.35 to 3.63), death (8.30 vs 3.53; adjHR 1.92, 95% CI 1.41 to 2.61), major bleeding (5.31 vs 2.53; adjHR 1.80, 95% CI 1.19 to 2.75) and intracranial bleeding (1.29 vs 0.51; adjHR 2.54, 95% CI 1.08 to 5.96) than patients without AS. The superiority of apixaban over warfarin on stroke/systemic embolism was similar in patients with versus without MR (HR 0.69, 95% CI 0.46 to 1.04 vs HR 0.79, 95% CI 0.63 to 1.00; interaction P value 0.52), with versus without AR (HR 0.57, 95% CI 0.27 to 1.20 vs HR 0.78, 95% CI 0.63 to 0.96; interaction P value 0.52), and with versus without AS (HR 0.44, 95% CI 0.17 to 1.13 vs HR 0.79, 95% CI 0.64 to 0.97; interaction P value 0.19). For each of the primary and secondary efficacy and safety outcomes, there was no evidence of a different effect of apixaban over warfarin in patients with any VHD subcategory.Conclusions; In anticoagulated patients with AF, AS is associated with a higher risk of stroke/systemic embolism, bleeding and death. The efficacy and safety benefits of apixaban compared with warfarin were consistent, regardless of presence of MR, AR or AS.
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139.
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140.
  • Washam, Jeffrey B., et al. (författare)
  • Interacting medication use and the treatment effects of apixaban versus warfarin : results from the ARISTOTLE Trial
  • 2019
  • Ingår i: Journal of Thrombosis and Thrombolysis. - : SPRINGER. - 0929-5305 .- 1573-742X. ; 47:3, s. 345-352
  • Tidskriftsartikel (refereegranskat)abstract
    • Warfarin is dependent on multiple hepatic enzymes for metabolism while apixaban is a substrate for P-glycoprotein (P-gp) transport and hepatic CYP3A4 metabolism. The aim of this analysis was to assess the impact of interacting medication use on the treatment effects of apixaban versus warfarin. Outcomes were compared between apixaban and warfarin using Cox proportional hazards modeling according to the use of interacting medications at randomization in ARISTOTLE (n=18,201). Interacting medications for apixaban were identified as combined P-gp and 3A4 inhibitors or inducers while interacting medications for warfarin were defined as those highly probable for warfarin potentiation or inhibition. At randomization, 5547 (30.5%) patients were on an interacting medication, including 2722 on apixaban and 2825 on warfarin. Patients using an interacting medication were more likely to be female, taking aspirin, and have a history of prior bleeding and were less likely to have a prior stroke or transient ischemic attack. No significant differences were observed on the treatment effect of apixaban compared with warfarin in patients on and off interacting medications for outcomes including the primary efficacy outcome of stroke or systemic embolism (P for interaction=0.79) or the primary safety outcome of major bleeding (P for interaction=0.75). Use of interacting medications with anticoagulants occurs often in patients with atrial fibrillation. Despite the potential for altered exposure, interacting medication use was not associated with a significant change in the efficacy or safety of apixaban compared with warfarin in the ARISTOTLE trial.Trial registration ClinicalTrials.gov, NCT00412984
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