| 1. |
- Kirchhof, Paulus, et al.
(författare)
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Comprehensive risk reduction in patients with atrial fibrillation : emerging diagnostic and therapeutic options - a report from the 3rd Atrial Fibrillation Competence NETwork/European Heart Rhythm Association consensus conference
- 2012
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Ingår i: Europace. - : Oxford University Press (OUP). - 1099-5129 .- 1532-2092. ; 14:1, s. 8-27
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Forskningsöversikt (refereegranskat)abstract
- While management of atrial fibrillation (AF) patients is improved by guideline-conform application of anticoagulant therapy, rate control, rhythm control, and therapy of accompanying heart disease, the morbidity and mortality associated with AF remain unacceptably high. This paper describes the proceedings of the 3rd Atrial Fibrillation NETwork (AFNET)/European Heart Rhythm Association (EHRA) consensus conference that convened over 60 scientists and representatives from industry to jointly discuss emerging therapeutic and diagnostic improvements to achieve better management of AF patients. The paper covers four chapters: (i) risk factors and risk markers for AF; (ii) pathophysiological classification of AF; (iii) relevance of monitored AF duration for AF-related outcomes; and (iv) perspectives and needs for implementing better antithrombotic therapy. Relevant published literature for each section is covered, and suggestions for the improvement of management in each area are put forward. Combined, the propositions formulate a perspective to implement comprehensive management in AF.
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| 2. |
- Kirchhof, Paulus, et al.
(författare)
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Personalized management of atrial fibrillation : Proceedings from the fourth Atrial Fibrillation competence NETwork/European Heart Rhythm Association consensus conference
- 2013
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Ingår i: Europace. - : Oxford University Press (OUP). - 1099-5129 .- 1532-2092. ; 15:11, s. 1540-1556
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Tidskriftsartikel (refereegranskat)abstract
- The management of atrial fibrillation (AF) has seen marked changes in past years, with the introduction of new oral anticoagulants, new antiarrhythmic drugs, and the emergence of catheter ablation as a common intervention for rhythm control. Furthermore, new technologies enhance our ability to detect AF. Most clinical management decisions in AF patients can be based on validated parameters that encompass type of presentation, clinical factors, electrocardiogram analysis, and cardiac imaging. Despite these advances, patients with AF are still at increased risk for death, stroke, heart failure, and hospitalizations. During the fourth Atrial Fibrillation competence NETwork/European Heart Rhythm Association (AFNET/EHRA) consensus conference, we identified the following opportunities to personalize management of AF in a better manner with a view to improve outcomes by integrating atrial morphology and damage, brain imaging, information on genetic predisposition, systemic or local inflammation, and markers for cardiac strain. Each of these promising avenues requires validation in the context of existing risk factors in patients. More importantly, a new taxonomy of AF may be needed based on the pathophysiological type of AF to allow personalized management of AF to come to full fruition. Continued translational research efforts are needed to personalize management of this prevalent disease in a better manner. All the efforts are expected to improve the management of patients with AF based on personalized therapy.
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| 3. |
- Boehm, Michael, et al.
(författare)
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Changes in Renal Function in Patients With Atrial Fibrillation An Analysis From the RE-LY Trial
- 2015
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Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097 .- 1558-3597. ; 65:23, s. 2481-2493
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND Vitamin K-dependent factors protect against vascular and renovascular calcification, and vitamin K antagonists may be associated with a decreased glomerular filtration rate (GFR). OBJECTIVES This study analyzed changes in GFR during long-term treatment with warfarin or dabigatran etexilate (DE) in patients enrolled in the RE-LY (Randomized Evaluation of Long Term Anticoagulation Therapy) trial. METHODS Of the 18,113 patients in the RE-LY study randomized to receive DE (110 mg or 150 mg twice daily) or warfarin, 16,490 patients with atrial fibrillation had creatinine values measured at baseline and at least 1 follow-up visit. Changes in GFR for up to 30 months were evaluated. RESULTS GFR declined in all treatment groups. After an average of 30 months, the mean +/- SE decline in GFR was significantly greater with warfarin (-3.68 +/- 0.24 ml/min) compared with DE 110 mg (-2.57 +/- 0.24 ml/min; p = 0.0009 vs. warfarin) and DE 150 mg (-2.46 +/- 0.23 ml/min; p = 0.0002 vs. warfarin). A decrease in GFR >25% was less likely with DE 110 mg (hazard ratio: 0.81 [95% confidence interval: 0.69 to 0.96]; p = 0.017) or DE 150 mg (hazard ratio: 0.79 [95% confidence interval: 0.68 to 0.93]; p = 0.0056) than with warfarin in the observation period >18 months. Patients with poor international normalized ratio control (i.e., time in therapeutic range <65%) exhibited a faster decline in GFR. A more pronounced decline in GFR was associated with previous warfarin use and with the presence of diabetes. CONCLUSIONS Patients with atrial fibrillation receiving oral anticoagulation exhibited a decline in renal function that was greater in those taking warfarin versus DE, and it was amplified by diabetes and previous vitamin K antagonist use.
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| 4. |
- Böhm, Michael, et al.
(författare)
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Cardiovascular outcomes, bleeding risk, and achieved blood pressure in patients on long-term anticoagulation with the thrombin antagonist dabigatran or warfarin : data from the RE-LY trial
- 2020
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Ingår i: European Heart Journal. - : Oxford University Press. - 0195-668X .- 1522-9645. ; 41:30, s. 2848-2859
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Tidskriftsartikel (refereegranskat)abstract
- Aims A J-shaped association of cardiovascular events to achieved systolic (SBP) and diastolic (DBP) blood pressure was shown in high-risk patients. This association on oral anticoagulation is unknown. This analysis from RELY assessed the risks of death, stroke or systemic emboli, and bleeding according to mean achieved SBP and DBP in atrial fibrillation on oral anticoagulation. Methods RE-LY patients were followed for 2 years and recruited between 22 December 2005 until 15 December 2007. and results 18.113 patients were randomized in 951 centres in 54 countries and 18,107 patients with complete blood pressure (BP) data were analysed with a median follow-up of 2.0 years and a complete follow-up in 99.9%. The association between achieved mean SBP and DBP on all-cause death, stroke and systemic embolic events (SSE), major, and any bleeding were explored. On treatment, SBP >140 mmHg and <120 mmHg was associated with all-cause death compared with SBP 120-130 mmHg (reference). For SSE, risk was unchanged at SBP <110 mmHg but increased at 140-160 mmHg (adjusted hazard ratio (HR) 1.81; 1.40-2.33) and SBP >160 mmHg (HR 3.35; 2.09-5.36). Major bleeding events were also increased at <110 mmHg and at 110 to <120 mmHg. Interestingly, there was no increased risk of major bleeding at SBP >130 mmHg. Similar patterns were observed for DBP with an increased risk at <70 mmHg (HR 1.55; 1.35-1.78) and >90 mmHg (HR 1.88; 1.43-2.46) for all-cause death compared to 70 to <80 mmHg (reference). Risk for any bleeding was increased at low DBP <70 mmHg (HR 1.46; 1.37-1.56) at DBP 80 to <90 mmHg (HR 1.13; 1.06-1.31) without increased risk at higher achieved DBP. Dabigatran 150 mg twice daily showed an advantage in all patients for all-cause death and SSE and there was an advantage for 110 mg dabigatran twice daily for major bleeding and any bleeding irrespective of SBP or DBP achieved. Similar results were obtained for baseline BP, time-updated BP, and BP as time-varying covariate. Conclusion Low achieved SBP associates with increased risk of death, SSE, and bleeding in patients with atrial fibrillation on oral anticoagulation. Major bleeding events did not occur at higher BP. Low BP might identify high-risk patients not only for death but also for high bleeding risks.
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| 5. |
- Böhm, Michael, et al.
(författare)
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Reply : Anticoagulant-Related Nephropathy
- 2015
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Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097 .- 1558-3597. ; 66:23, s. 2682-
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Tidskriftsartikel (refereegranskat)
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| 6. |
- Ezekowitz, Michael D., et al.
(författare)
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Dabigatran and Warfarin in Vitamin K Antagonist-Naive and -Experienced Cohorts With Atrial Fibrillation
- 2010
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Ingår i: Circulation. - 0009-7322 .- 1524-4539. ; 122:22, s. 2246-2253
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Tidskriftsartikel (refereegranskat)abstract
- Background-The comparison of anticoagulants dabigatran and warfarin might be most equitable in vitamin K antagonist (VKA)-naive patients. Methods and Results-Warfarin and 2 doses of dabigatran-110 mg BID (D110) and 150 mg BID (D150)-were compared in a balanced population of VKA-naive (<= 62 days of lifetime VKA exposure, with 33% never prescribed a VKA) and VKA-experienced patients with atrial fibrillation (n=18 113). For VKA-naive and -experienced patients assigned warfarin, the time in therapeutic range (international normalized ratio 2.0 to 3.0) was 62% and 67%, respectively, and 61% and 66% for those never and ever prescribed a VKA. In VKA-naive patients, stroke and systemic embolism rates were 1.57%, 1.07%, and 1.69% per year for D110, D150, and warfarin, respectively. D110 was similar to warfarin (P=0.65); D150 was superior (P=0.005). Major bleeding rates were 3.11%, 3.34%, and 3.57% per year, respectively. D110 and D150 were similar to warfarin (P=0.19 and P=0.55). Intracranial bleeding rates were 0.19%, 0.33%, and 0.73% per year, respectively. D110 and D150 were lower than warfarin (P<0.001 and P=0.005). In VKA-experienced patients, stroke and systemic embolism rates were 1.51%, 1.15%, and 1.74% per year for D110, D150, and warfarin, respectively. D110 was similar to warfarin (P=0.32); D150 was superior (P=0.007). Major bleeding rates were 2.66%, 3.30%, and 3.57% per year, respectively. D110 was lower than warfarin (P=0.003); D150 was similar (P=0.41). Intracranial bleeding rates were 0.26%, 0.32%, and 0.79% per year, respectively. D110 and D150 were lower than warfarin (P<0.001 for both). Results were similar for patients never on a VKA. Conclusions-Previous VKA exposure does not influence the benefits of dabigatran at either dose compared with warfarin.
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| 7. |
- Millenaar, Dominic, et al.
(författare)
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Cardiovascular Outcomes According to Polypharmacy and Drug Adherence in Patients with Atrial Fibrillation on Long-Term Anticoagulation (from the RE-LY Trial)
- 2021
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Ingår i: American Journal of Cardiology. - : EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC. - 0002-9149 .- 1879-1913. ; 149, s. 27-35
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Tidskriftsartikel (refereegranskat)abstract
- Prevalence of atrial fibrillation (AF) increases with age, along with comorbidities and, thus, polypharmacy. Non-adherence is associated with polypharmacy. This study aimed to identify patients at risk for cardiovascular events according to their pharmacological treatment intensity and adherence. Patients (n = 18,113) with a mean age of 71.5 +/- 8.7 years, at high cardiovascular risk were followed between December 2005 until December 2007 for a median time of 2 years. The association between polypharmacy and adherence and their impact on cardiovascular and bleeding events were explored. Adherence was defined as a study drug intake of >= 80%. Patients with more co-medications had a higher body mass index, higher prevalence of hypertension, coronary heart disease, heart failure, and diabetes mellitus (all p < 0.0001) compared to <= 4 or 5-8 co-medications, but no differences in history of stroke (p = 0.68) or transient ischemic attack (p = 0.065). Across all treatments, the adjusted hazard ratios (HRs) increased in patients with more co-medications (>= 9 vs <= 4) for all-cause death (HR 1.30; 1.06-1.59), major bleeding (HR 1.65; 1.33-2.05), and all bleeding events (HR 1.44; 1.31-1.59). Yearly event rates were higher in non-adherent than adherent patients for stroke and systemic embolism (SSE) (3.14 vs 1.00), all-cause death (7.76 vs 2.66), major bleeding (6.21 vs 2.65), and all bleeding (28.71 vs 19.05; all p < 0.0001). After an event the patients were more likely to become non-adherent (adherence after SSE 30.3%, after major bleeding 33.4%, after all bleeding 66.7%; all p < 0.0001). The treatment effects were consistent to the overall group in the different polypharmacy groups. In conclusion, polypharmacy and non-adherence are risk indicators for increased adverse cardiovascular and bleeding events. Dabigatran is safe to use across the full spectrum of AF patients, independent of the number of co-medications and adherence. Patients with co-medications and comorbidities require special attention and encouragement to adhere to oral anticoagulation. (C) 2021 Elsevier Inc. All rights reserved.
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| 8. |
- Nagarakanti, Rangadham, et al.
(författare)
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Dabigatran Versus Warfarin in Patients With Atrial Fibrillation An Analysis of Patients Undergoing Cardioversion
- 2011
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Ingår i: Circulation. - 0009-7322 .- 1524-4539. ; 123:2, s. 131-136
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Tidskriftsartikel (refereegranskat)abstract
- Background-The Randomized Evaluation of Long-Term Anticoagulation Therapy (RE-LY) trial compared dabigatran 110 mg BID (D110) and 150 mg BID (D150) with warfarin for stroke prevention in 18 113 patients with nonvalvular atrial fibrillation. Methods and Results-Cardioversion on randomized treatment was permitted. Precardioversion transesophageal echocardiography was encouraged, particularly in dabigatran-assigned patients. Data from before, during, and 30 days after cardioversion were analyzed. A total of 1983 cardioversions were performed in 1270 patients: 647, 672, and 664 in the D110, D150, and warfarin groups, respectively. For D110, D150, and warfarin, transesophageal echocardiography was performed before 25.5%, 24.1%, and 13.3% of cardioversions, of which 1.8%, 1.2%, and 1.1% were positive for left atrial thrombi. Continuous treatment with study drug for >= 3 weeks before cardioversion was lower in D110 (76.4%) and D150 (79.2%) compared with warfarin (85.5%; P<0.01 for both). Stroke and systemic embolism rates at 30 days were 0.8%, 0.3%, and 0.6% (D110 versus warfarin, P=0.71; D150 versus warfarin, P=0.40) and similar in patients with and without transesophageal echocardiography. Major bleeding rates were 1.7%, 0.6%, and 0.6% (D110 versus warfarin, P=0.06; D150 versus warfarin, P=0.99). Conclusions-This study is the largest cardioversion experience to date and the first to evaluate a novel anticoagulant in this setting. The frequencies of stroke and major bleeding within 30 days of cardioversion on the 2 doses of dabigatran were low and comparable to those on warfarin with or without transesophageal echocardiography guidance. Dabigatran is a reasonable alternative to warfarin in patients requiring cardioversion.
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| 9. |
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| 10. |
- Al-Khatib, Sana M., et al.
(författare)
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Outcomes of apixaban vs. warfarin by type and duration of atrial fibrillation : results from the ARISTOTLE trial
- 2013
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Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 34:31, s. 2464-2471
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Tidskriftsartikel (refereegranskat)abstract
- It is uncertain whether the benefit from apixaban varies by type and duration of atrial fibrillation (AF). A total of 18 201 patients with AF [2786 (15.3) with paroxysmal and 15 412 (84.7) with persistent or permanent] were randomized to apixaban or warfarin. In this pre-specified secondary analysis, we compared outcomes and treatment effect of apixaban vs. warfarin by AF type and duration. The primary efficacy endpoint was a composite of ischaemic or haemorrhagic stroke or systemic embolism. The secondary efficacy endpoint was all-cause mortality. There was a consistent reduction in stroke or systemic embolism (P for interaction 0.71), all-cause mortality (P for interaction 0.75), and major bleeding (P for interaction 0.50) with apixaban compared with warfarin for both AF types. Apixaban was superior to warfarin in all studied endpoints, regardless of AF duration at study entry (P for all interactions 0.13). The rate of stroke or systemic embolism was significantly higher in patients with persistent or permanent AF than patients with paroxysmal AF (1.52 vs. 0.98; P 0.003, adjusted P 0.015). There was also a trend towards higher mortality in patients with persistent or permanent AF (3.90 vs. 2.81; P 0.0002, adjusted P 0.066). The risks of stroke, mortality, and major bleeding were lower with apixaban than warfarin regardless of AF type and duration. Although the risk of stroke or systemic embolism was lower in paroxysmal than persistent or permanent AF, apixaban is an attractive alternative to warfarin in patients with AF and at least one other risk factor for stroke, regardless of the type or duration of AF.
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| 11. |
- Alexander, John H, et al.
(författare)
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Apixaban 5 mg Twice Daily and Clinical Outcomes in Patients With Atrial Fibrillation and Advanced Age, Low Body Weight, or High Creatinine : A Secondary Analysis of a Randomized Clinical Trial
- 2016
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Ingår i: JAMA cardiology. - : American Medical Association (AMA). - 2380-6583 .- 2380-6591. ; 1:6, s. 673-681
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Tidskriftsartikel (refereegranskat)abstract
- IMPORTANCE: In the Apixaban for Reduction of Stroke and Other Thromboembolic Complications in Atrial Fibrillation (ARISTOTLE) trial, the standard dose of apixaban was 5 mg twice daily; patients with at least 2 dose-reduction criteria-80 years or older, weight 60 kg or less, and creatinine level 1.5 mg/dL or higher-received a reduced dose of apixaban of 2.5 mg twice daily. Little is known about patients with 1 dose-reduction criterion who received the 5 mg twice daily dose of apixaban.OBJECTIVE: To determine the frequency of 1 dose-reduction criterion and whether the effects of the 5 mg twice daily dose of apixaban on stroke or systemic embolism and bleeding varied among patients with 1 or no dose-reduction criteria.DESIGN, SETTING, AND PARTICIPANTS: Among 18 201 patients in the ARISTOTLE trial, 17 322 were included in this analysis. Annualized event rates of stroke or systemic embolism and major bleeding and hazard ratios (HRs) and 95% CIs were evaluated. Interactions between the effects of apixaban vs warfarin and the presence of 1 or no dose-reduction criteria were assessed. The first patient was enrolled in the ARISTOTLE trial on December 19, 2006, and follow-up was completed on January 30, 2011. Data were analyzed from January 2015 to May 30, 2016.MAIN OUTCOMES AND MEASURES: Analysis of major bleeding included events during study drug treatment. Analysis of stroke or systemic embolism was based on intention to treat.RESULTS: Of the patients with 1 or no dose-reduction criteria assigned to receive the 5 mg twice daily dose of apixaban or warfarin, 3966 had 1 dose-reduction criterion; these patients had higher rates of stroke or systemic embolism (HR, 1.47; 95% CI, 1.20-1.81) and major bleeding (HR, 1.89; 95% CI, 1.62-2.20) compared with those with no dose-reduction criteria (n = 13 356). The benefit of the 5 mg twice daily dose of apixaban (n = 8665) compared with warfarin (n = 8657) on stroke or systemic embolism in patients with 1 dose-reduction criterion (HR, 0.94; 95% CI, 0.66-1.32) and no dose-reduction criterion (HR, 0.77; 95% CI, 0.62-0.97) were similar (P for interaction = .36). Similarly, the benefit of 5 mg twice daily dose of apixaban compared with warfarin on major bleeding in patients with 1 dose-reduction criterion (HR, 0.68; 95% CI, 0.53-0.87) and no dose-reduction criterion (HR, 0.72; 95% CI, 0.60-0.86) were similar (P for interaction = .71). Similar patterns were seen for each dose-reduction criterion and across the spectrum of age, body weight, creatinine level, and creatinine clearance.CONCLUSIONS AND RELEVANCE: Patients with atrial fibrillation and isolated advanced age, low body weight, or renal dysfunction have a higher risk of stroke or systemic embolism and major bleeding but show consistent benefits with the 5 mg twice daily dose of apixaban vs warfarin compared with patients without these characteristics. The 5 mg twice daily dose of apixaban is safe, efficacious, and appropriate for patients with only 1 dose-reduction criterion.TRIAL REGISTRATION: clinicaltrials.gov Identifier: NCT00412984.
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| 12. |
- Aulin, Julia, et al.
(författare)
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Interleukin-6 and C-reactive protein and risk for death and cardiovascular events in patients with atrial fibrillation
- 2015
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Ingår i: American Heart Journal. - : Elsevier BV. - 0002-8703 .- 1097-6744. ; 170:6, s. 1151-1160
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Tidskriftsartikel (refereegranskat)abstract
- Background Inflammation has been associated with cardiovascular disease and the burden of atrial fibrillation (AF). In this study we evaluate inflammatory biomarkers and future cardiovascular events in AF patients in the RE-LY study. Methods Interleukin-6 (IL-6), C-reactive protein (CRP) (n = 6,187), and fibrinogen (n = 4,893) were analyzed at randomization; outcomes were evaluated by Cox models and C-statistics. Results Adjusted for clinical risk factors IL-6 was independently associated with stroke or systemic embolism (P =.0041), major bleedings (P =.0001), vascular death (P<.0001), and a composite thromboembolic outcome (ischemic stroke, systemic embolism, myocardial infarction, pulmonary embolism and vascular death) (P<.0001). CRP was independently related to myocardial infarction (P =.0047), vascular death (P =.0004), and the composite thromboembolic outcome (P =.0001). When further adjusted for cardiac (troponin andN-terminal fragment B-type natriuretic peptide [NT-proBNP]) and renal (cystatin-C) biomarkers on top of clinical risk factors IL-6 remained significantly related to vascular death (P<.0001), major bleeding (P<.0170) and the composite thromboembolic outcome (P<.0001), and CRP to myocardial infarction (.0104). Fibrinogen was not associated with any outcome. C-index for stroke or systemic embolism increased from 0.615 to 0.642 (P =.0017) when adding IL-6 to the clinically used CHA(2)DS(2)-VASc risk score with net reclassification improvement of 28%. Conclusion In patients with AF, IL-6 is related to higher risk of stroke and major bleeding, and both markers are related to higher risk of vascular death and the composite of thromboembolic events independent of clinical risk factors. Adjustment for cardiovascular biomarkers attenuated the prognostic value, although IL-6 remained related to mortality, the composite of thromboembolic events, and major bleeding, and CRP to myocardial infarction.
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| 13. |
- Aulin, Julia, et al.
(författare)
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Serial measurement of interleukin-6 and risk of mortality in anticoagulated patients with atrial fibrillation : Insights from ARISTOTLE and RE-LY trials.
- 2020
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Ingår i: Journal of Thrombosis and Haemostasis. - : Elsevier BV. - 1538-7933 .- 1538-7836. ; 18:9, s. 2287-2295
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The inflammatory biomarker interleukin-6 (IL-6) is associated with mortality in atrial fibrillation (AF).OBJECTIVE: To investigate if repeated IL-6 measurements improve the prognostication for stroke or systemic embolism, major bleeding, and mortality in anticoagulated patients with AF.METHODS: IL-6 levels by ELISA were measured at study entry and at 2 months in 4830 patients in the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial with 1.8 years median follow-up. In the Randomized Evaluation of Long-Term Anticoagulation Therapy (RE-LY) trial, IL-6 was measured at study entry, 3, 6, and 12 months in 2559 patients with 2.0 years median follow-up. Associations between a second IL-6 measurement and outcomes, adjusted for baseline IL-6, clinical variables, and other cardiovascular biomarkers, were analyzed by Cox regression.RESULTS: Median IL-6 levels were 2.0 ng/L (interquartile range [IQR] 1.30-3.20) and 2.10 ng/L (IQR 1.40-3.40) at the two time-points in ARISTOTLE, and, in RE-LY, 2.5 ng/L (IQR 1.6-4.3), 2.5 ng/L (IQR 1.6-4.2), 2.4 ng/L (IQR 1.6, 3.9), and 2.4 ng/L (IQR 1.5, 3.9), respectively. IL-6 was associated with mortality; hazard ratios per 50% higher IL-6 at 2 or 3 months, respectively, were 1.32 (95% confidence interval, 1.23-1.41; P < .0001) in ARISTOTLE, and 1.11 (1.01-1.22, P = .0290) in RE-LY; with improved C index from 0.74 to 0.76 in ARISTOTLE, but not in the smaller RE-LY cohort. There were no consistent associations with second IL-6 and stroke or systemic embolism, or major bleeding.CONCLUSIONS: Persistent systemic inflammatory activity, assessed by repeated IL-6 measurements, is associated with mortality independent of established clinical risk factors and other strong cardiovascular biomarkers in anticoagulated patients with AF.
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| 14. |
- Bekwelem, Wobo, et al.
(författare)
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Extracranial Systemic Embolic Events in Patients With Nonvalvular Atrial Fibrillation Incidence, Risk Factors, and Outcomes
- 2015
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Ingår i: Circulation. - 0009-7322 .- 1524-4539. ; 132:9, s. 796-803
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Tidskriftsartikel (refereegranskat)abstract
- Background Nonvalvular atrial fibrillation is a major cause of thromboembolic events. In comparison with atrial fibrillation-related stroke, extracranial systemic embolic events (SEEs) remain poorly defined. Methods and Results All suspected SEEs reported among 37973 participants of 4 large contemporary randomized clinical trials of anticoagulation in atrial fibrillation were independently readjudicated for clinical and objective evidence of sudden loss of perfusion of a limb or organ. Over 91746 patient-years of follow-up, 221 SEEs occurred in 219 subjects. The SEE incidence was 0.24 of 100 and stroke incidence was 1.92 of 100 patient-years. In comparison with patients with stroke, those with SEE were more often female (56% versus 47%; P=0.01) and had comparable mean age (73.18.5 versus 73.5 +/- 8.8 years; P=0.57) and mean CHADS(2) scores (2.4 +/- 1.3 versus 2.5 +/- 1.2; P=0.33). SEEs more frequently involved the lower extremity (58%) than visceral-mesenteric (31%) or upper extremity (10%). SEE-related care involved clinic assessment alone in 5%, 30% were hospitalized without procedures, 60% underwent endovascular or surgical intervention, and 5% underwent amputation. Within 30 days, 54% of patients recovered fully, 20% survived with deficits, and 25% died. Thirty-day mortality was greater after visceral-mesenteric than lower- or upper-extremity SEE (55%, 17%, and 9%, respectively, P0.0001). The relative risk of death throughout follow-up was 4.33 (95% confidence interval, 3.29-5.70) after SEE versus 6.79 (95% confidence interval, 6.22-7.41) after stroke in comparison with patients without either event. Conclusions SEE constituted 11.5% of clinically recognized thromboembolic events in patients with atrial fibrillation and was associated with high morbidity and mortality. SEE mortality was comparable to that of ischemic stroke and varied by anatomic site.
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| 15. |
- Benz, Alexander P., et al.
(författare)
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Stroke risk prediction in patients with atrial fibrillation with and without rheumatic heart disease
- 2021
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Ingår i: Cardiovascular Research. - : Oxford University Press. - 0008-6363 .- 1755-3245. ; 118:1, s. 295-304
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Tidskriftsartikel (refereegranskat)abstract
- Aims Patients with atrial fibrillation (AF) and rheumatic heart disease (RHD), especially mitral stenosis, are assumed to be at high risk of stroke, irrespective of other factors. We aimed to re-evaluate stroke risk factors in a contemporary cohort of AF patients. Methods and results We analysed data of 15 400 AF patients presenting to an emergency department and who were enrolled in the global RE-LY AF registry, representing 47 countries from all inhabited continents. Follow-up occurred at 1 year after enrolment. A total of 1788 (11.6%) patients had RHD. These patients were younger (51.4 +/- 15.7 vs. 67.8 +/- 13.6 years), more likely to be female (66.2% vs. 44.7%) and had a lower mean CHA(2)DS(2)-VASc score (2.1 +/- 1.7 vs. 3.7 +/- 2.2) as compared to patients without RHD (all P<0.001). Significant mitral stenosis (average mean transmitral gradient 11.5 +/- 6.5 mmHg) was the predominant valve lesion in those with RHD (59.6%). Patients with RHD had a higher baseline rate of anticoagulation use (60.4% vs. 45.2%, P<0.001). Unadjusted stroke rates at 1 year were 2.8% and 4.1% for patients with and without RHD, respectively. The performance of the CHA(2)DS(2)-VASc score was modest in both groups [stroke at 1 year, c-statistics 0.69, 95% confidence interval (CI) 0.60-0.78 and 0.63, 95% CI 0.61-0.66, respectively]. In the overall cohort, advanced age, female sex, prior stroke, tobacco use, and non-use of anticoagulation were predictors for stroke (all P<0.05). Mitral stenosis was not associated with stroke risk (adjusted odds ratio 1.07, 95% CI 0.67-1.72, P=0.764). Conclusion The performance of the CHA(2)DS(2)-VASc score was modest in AF patients both with and without RHD. In this cohort, moderate-to-severe mitral stenosis was not an independent risk factor for stroke.
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| 16. |
- Brambatti, Michela, et al.
(författare)
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Comparison of dabigatran versus warfarin in diabetic patients with atrial fibrillation : Results from the RE-LY trial
- 2015
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Ingår i: International Journal of Cardiology. - : Elsevier BV. - 0167-5273 .- 1874-1754. ; 196, s. 127-131
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Tidskriftsartikel (refereegranskat)abstract
- Objective: Diabetes mellitus (DM) is frequent among patients with atrial fibrillation (AF). The RE-LY trial permits evaluation of patient characteristics, outcomes and the effectiveness of dabigatran etexilate among diabetic individuals. Methods: Patient characteristics and outcomes were compared between diabetic and non-diabetic patients and the relative efficacy of each dose of dabigatran (150 mg bid and 110 mg bid) versus warfarin was evaluated. Results: Of 18,113 patients in RE-LY, 4221 patients (23.3%) had DM. Patients with DM were younger (70.9 vs. 71.7 years), more likely to have hypertension (86.6% vs. 76.5%), coronary artery disease (37.4% vs. 24.9%) and peripheral vascular disease (5.6% vs. 3.2%); (all p < 0.01). Time in therapeutic range for warfarin-treated patients was 65% for diabetic versus 68% for non-diabetic patients (p < 0.001). Regardless of assigned treatment, stroke or systemic embolism was more common among patients with DM (1.9% per year vs. 1.3% per year, p < 0.001). DM was also associated with an increased risk of death (5.1% per year vs. 3.5% per year, p < 0.001) and major bleeding (4.2% per year vs. 3.0% per year, p < 0.001). The absolute reduction in stroke or systemic embolism with dabigatran compared to warfarin was greater among patients with DM than those without DM (dabigatran 110 mg: 0.59% per year vs. 0.05% per year; dabigatran 150 mg: 0.89% per year vs. 0.51% per year). Conclusions: Compared to non-DM patients, AF patients with DM derive a greater absolute risk reduction in embolic events when treated with dabigatran. ClinicalTrials.gov Identifier: NCT00262600.
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| 17. |
- Carnicelli, Anthony P., et al.
(författare)
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Direct Oral Anticoagulants Versus Warfarin in Patients With Atrial Fibrillation : Patient-Level Network Meta-Analyses of Randomized Clinical Trials With Interaction Testing by Age and Sex
- 2022
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Ingår i: Circulation. - : Ovid Technologies (Wolters Kluwer Health). - 0009-7322 .- 1524-4539. ; 145:4, s. 242-255
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Tidskriftsartikel (refereegranskat)abstract
- Background: Direct oral anticoagulants (DOACs) are preferred over warfarin for stroke prevention in atrial fibrillation. Meta-analyses using individual patient data offer substantial advantages over study-level data.Methods: We used individual patient data from the COMBINE AF (A Collaboration Between Multiple Institutions to Better Investigate Non-Vitamin K Antagonist Oral Anticoagulant Use in Atrial Fibrillation) database, which includes all patients randomized in the 4 pivotal trials of DOACs versus warfarin in atrial fibrillation (RE-LY [Randomized Evaluation of Long-Term Anticoagulation Therapy], ROCKET AF [Rivaroxaban Once Daily Oral Direct Factor Xa Inhibition Compared With Vitamin K Antagonism for Prevention of Stroke and Embolism Trial in Atrial Fibrillation], ARISTOTLE [Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation], and ENGAGE AF-TIMI 48 [Effective Anticoagulation With Factor Xa Next Generation in Atrial Fibrillation-Thrombolysis in Myocardial Infarction 48]), to perform network meta-analyses using a stratified Cox model with random effects comparing standard-dose DOAC, lower-dose DOAC, and warfarin. Hazard ratios (HRs [95% CIs]) were calculated for efficacy and safety outcomes. Covariate-by-treatment interaction was estimated for categorical covariates and for age as a continuous covariate, stratified by sex.Results: A total of 71 683 patients were included (29 362 on standard-dose DOAC, 13 049 on lower-dose DOAC, and 29 272 on warfarin). Compared with warfarin, standard-dose DOACs were associated with a significantly lower hazard of stroke or systemic embolism (883/29 312 [3.01%] versus 1080/29 229 [3.69%]; HR, 0.81 [95% CI, 0.74-0.89]), death (2276/29 312 [7.76%] versus 2460/29 229 [8.42%]; HR, 0.92 [95% CI, 0.87-0.97]), and intracranial bleeding (184/29 270 [0.63%] versus 409/29 187 [1.40%]; HR, 0.45 [95% CI, 0.37-0.56]), but no statistically different hazard of major bleeding (1479/29 270 [5.05%] versus 1733/29 187 [5.94%]; HR, 0.86 [95% CI, 0.74-1.01]), whereas lower-dose DOACs were associated with no statistically different hazard of stroke or systemic embolism (531/13 049 [3.96%] versus 1080/29 229 [3.69%]; HR, 1.06 [95% CI, 0.95-1.19]) but a lower hazard of intracranial bleeding (55/12 985 [0.42%] versus 409/29 187 [1.40%]; HR, 0.28 [95% CI, 0.21-0.37]), death (1082/13 049 [8.29%] versus 2460/29 229 [8.42%]; HR, 0.90 [95% CI, 0.83-0.97]), and major bleeding (564/12 985 [4.34%] versus 1733/29 187 [5.94%]; HR, 0.63 [95% CI, 0.45-0.88]). Treatment effects for standard- and lower-dose DOACs versus warfarin were consistent across age and sex for stroke or systemic embolism and death, whereas standard-dose DOACs were favored in patients with no history of vitamin K antagonist use (P=0.01) and lower creatinine clearance (P=0.09). For major bleeding, standard-dose DOACs were favored in patients with lower body weight (P=0.02). In the continuous covariate analysis, younger patients derived greater benefits from standard-dose (interaction P=0.02) and lower-dose DOACs (interaction P=0.01) versus warfarin.Conclusions: Compared with warfarin, DOACs have more favorable efficacy and safety profiles among patients with atrial fibrillation.
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| 18. |
- Connolly, Stuart J., et al.
(författare)
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Dabigatran versus warfarin in patients with atrial fibrillation
- 2009
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Ingår i: New England Journal of Medicine. - 0028-4793 .- 1533-4406. ; 361:12, s. 1139-1151
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Warfarin reduces the risk of stroke in patients with atrial fibrillation but increases the risk of hemorrhage and is difficult to use. Dabigatran is a new oral direct thrombin inhibitor. METHODS: In this noninferiority trial, we randomly assigned 18,113 patients who had atrial fibrillation and a risk of stroke to receive, in a blinded fashion, fixed doses of dabigatran--110 mg or 150 mg twice daily--or, in an unblinded fashion, adjusted-dose warfarin. The median duration of the follow-up period was 2.0 years. The primary outcome was stroke or systemic embolism. RESULTS: Rates of the primary outcome were 1.69% per year in the warfarin group, as compared with 1.53% per year in the group that received 110 mg of dabigatran (relative risk with dabigatran, 0.91; 95% confidence interval [CI], 0.74 to 1.11; P<0.001 for noninferiority) and 1.11% per year in the group that received 150 mg of dabigatran (relative risk, 0.66; 95% CI, 0.53 to 0.82; P<0.001 for superiority). The rate of major bleeding was 3.36% per year in the warfarin group, as compared with 2.71% per year in the group receiving 110 mg of dabigatran (P=0.003) and 3.11% per year in the group receiving 150 mg of dabigatran (P=0.31). The rate of hemorrhagic stroke was 0.38% per year in the warfarin group, as compared with 0.12% per year with 110 mg of dabigatran (P<0.001) and 0.10% per year with 150 mg of dabigatran (P<0.001). The mortality rate was 4.13% per year in the warfarin group, as compared with 3.75% per year with 110 mg of dabigatran (P=0.13) and 3.64% per year with 150 mg of dabigatran (P=0.051). CONCLUSIONS: In patients with atrial fibrillation, dabigatran given at a dose of 110 mg was associated with rates of stroke and systemic embolism that were similar to those associated with warfarin, as well as lower rates of major hemorrhage. Dabigatran administered at a dose of 150 mg, as compared with warfarin, was associated with lower rates of stroke and systemic embolism but similar rates of major hemorrhage. (ClinicalTrials.gov number, NCT00262600.)
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| 19. |
- Connolly, Stuart J., et al.
(författare)
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Newly Identified Events in the RE-LY Trial
- 2010
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Ingår i: New England Journal of Medicine. - 0028-4793 .- 1533-4406. ; 363:19, s. 1875-1876
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Tidskriftsartikel (refereegranskat)
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| 20. |
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| 21. |
- Connolly, Stuart J., et al.
(författare)
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The Long-Term Multicenter Observational Study of Dabigatran Treatment in Patients With Atrial Fibrillation (RELY-ABLE) Study
- 2013
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Ingår i: Circulation. - 0009-7322 .- 1524-4539. ; 128:3, s. 237-243
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Tidskriftsartikel (refereegranskat)abstract
- Background During follow-up of between 1 and 3 years in the Randomized Evaluation of Long-term Anticoagulation Therapy (RE-LY) trial, 2 doses of dabigatran etexilate were shown to be effective and safe for the prevention of stroke or systemic embolism in patients with atrial fibrillation. There is a need for longer-term follow-up of patients on dabigatran and for further data comparing the 2 dabigatran doses. Methods and Results Patients randomly assigned to dabigatran in RE-LY were eligible for the Long-term Multicenter Extension of Dabigatran Treatment in Patients with Atrial Fibrillation (RELY-ABLE) trial if they had not permanently discontinued study medication at the time of their final RE-LY study visit. Enrolled patients continued to receive the double-blind dabigatran dose received in RE-LY, for up to 28 months of follow up after RE-LY (median follow-up, 2.3 years). There were 5851 patients enrolled, representing 48% of patients originally randomly assigned to receive dabigatran in RE-LY and 86% of RELY-ABLE-eligible patients. Rates of stroke or systemic embolism were 1.46% and 1.60%/y on dabigatran 150 and 110 mg twice daily, respectively (hazard ratio, 0.91; 95% confidence interval, 0.69-1.20). Rates of major hemorrhage were 3.74% and 2.99%/y on dabigatran 150 and 110 mg (hazard ratio, 1.26; 95% confidence interval, 1.04-1.53). Rates of death were 3.02% and 3.10%/y (hazard ratio, 0.97; 95% confidence interval, 0.80-1.19). Rates of hemorrhagic stroke were 0.13% and 0.14%/y. Conclusions During 2.3 years of continued treatment with dabigatran after RE-LY, there was a higher rate of major bleeding with dabigatran 150 mg twice daily in comparison with 110 mg, and similar rates of stroke and death.
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| 22. |
- Dans, Antonio L, et al.
(författare)
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Concomitant Use of Antiplatelet Therapy with Dabigatran or Warfarin in the Randomized Evaluation of Long-Term Anticoagulation Therapy (RE-LY®) Trial
- 2013
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Ingår i: Circulation. - 0009-7322 .- 1524-4539. ; 127:5, s. 634-640
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND:RE-LY showed that dabigatran etexilate 150 mg bid (DE150) was superior, and 110 mg bid (DE110) non-inferior to warfarin in preventing stroke and systemic embolism (SSE) in patients with atrial fibrillation (AF). In this subgroup analysis, we assess the efficacy and safety of dabigatran in patients who did and didn't receive concomitant antiplatelets METHODS AND RESULTS: All comparisons used a cox proportional hazards model with adjustments made for risk factors for bleeding. A time dependent analysis was performed when comparing patients with concomitant antiplatelets to those without. 6952 of 18,113 patients (38.4%) received concomitant ASA or clopidogrel at some time during the study. DE110 was non-inferior to warfarin in reducing SSE, whether patients received antiplatelets (HR=0.93; 95%CI: 0.70-1.25) or not (HR=0.87; 95%CI: 0.66-1.15; interaction p=0.738). There were less major bleeds than warfarin in both subgroups (HR=0.82; 95%CI: 0.67-1.00 for patients who used antiplatelets; HR=0.79; 95% CI: 0.64-0.96 for patients who didn't; interaction p=0.794). DE 150 reduced the primary outcome of SSE compared to warfarin. This effect seemed attenuated among patients who used antiplatelets (HR=0.80, 95%CI: 0.59-1.08) compared to those who didn't (HR=0.52, 95%CI: 0.38-0.72; p for interaction=0.058). Major bleeding was similar to warfarin regardless of antiplatelet use (HR=0.93, 95%CI: 0.76-1.12 for patients who used antiplatelets; HR=0.94, 95%CI: 0.78-1.15 for patients who didn't; p for interaction=0.875). In the time dependent analysis, concomitant use of a single antiplatelet seemed to increase the risk of major bleeding (HR=1.60; 95% CI: 1.42, 1.82). Dual antiplatelet seemed to increased this even more (HR=2.31; 95% CI: 1.79, 2.98). The absolute risks were lowest on DE110 compared to DE150 or warfarin.CONCLUSIONS:Concomitant antiplatelet drugs appeared to increase the risk for major bleeding in RE-LY without affecting the advantages of dabigatran over warfarin. Choosing between DE110 and DE150 requires a careful assessment of characteristics that influence the balance between benefit and harm.
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| 23. |
- Das, D., et al.
(författare)
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Ivabradine in Heart Failure: The Representativeness of SHIFT (Systolic Heart Failure Treatment With the IF Inhibitor Ivabradine Trial) in a Broad Population of Patients With Chronic Heart Failure
- 2017
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Ingår i: Circulation Heart Failure. - : LIPPINCOTT WILLIAMS & WILKINS. - 1941-3289 .- 1941-3297. ; 10:9
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The sinus node inhibitor ivabradine was approved for patients with heart failure (HF) after the ivabradine and outcomes in chronic HF (SHIFT [Systolic Heart Failure Treatment With the IF Inhibitor Ivabradine Trial]) trial. Our objective was to characterize the proportion of patients with HF eligible for ivabradine and the representativeness of the SHIFT trial enrollees compared with those in the Swedish Heart Failure Registry. METHODS AND RESULTS: We examined 26 404 patients with clinical HF from the Swedish Heart Failure Registry and divided them into SHIFT type (left ventricular ejection fraction <40%, New York Heart Association class II-IV, sinus rhythm, and heart rate >/=70 beats per minute) and non-SHIFT type. Baseline characteristics and medication use were compared and change in eligibility over time was reported at 6 months and 1 year in a subset of patients. Overall, 14.2% (n=3741) of patients were SHIFT type. These patients were more likely to be younger, men, have diabetes mellitus, ischemic heart disease, lower left ventricular ejection fraction, and more recent onset HF (<6 months; all, P<0.001). Although 88.9% of SHIFT type and 88.5% of non-SHIFT type (P=0.421) were receiving selected beta-blockers, only 58.8% and 67.3% (P<0.001) were on >50% of target dose. From those patients who had repeated visits within 6 months (n=5420) and 1 year (n=6840), respectively, 10.2% (n=555) and 10.6% (n=724) of SHIFT-type patients became ineligible, 77.3% (n=4188) and 77.3% (n=5287) remained ineligible, and 4.6% (n=252) and 4.9% (n=335) of non-SHIFT-type patients became eligible for initiation of ivabradine. CONCLUSIONS: From the Swedish Heart Failure Registry, 14.2% of patients with HF were eligible for ivabradine. These patients more commonly were not receiving target beta-blocker dose. Over time, a minority of patients became ineligible and an even smaller minority became eligible.
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| 24. |
- Diener, Hans Christoph, et al.
(författare)
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Dabigatran compared with warfarin in patients with atrial fibrillation and previous transient ischaemic attack or stroke : a subgroup analysis of the RE-LY trial
- 2010
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Ingår i: Lancet Neurology. - 1474-4422 .- 1474-4465. ; 9:12, s. 1157-1163
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Tidskriftsartikel (refereegranskat)abstract
- Background In the Randomised Evaluation of Long Term Anticoagulation Therapy (RE LY) trial dabigatran reduced occurrence of both stroke and haemorrhage compared with warfarin in patients who had atrial fibrillation and were at increased risk of stroke We aimed to assess the effects of dabigatran compared with warfarin in the subgroup of patients with previous stroke or transient ischaemic attack Methods In the RE LY trial 18113 patients from 967 centres in 44 countries were randomly assigned to 110 mg or 150 mg dabigatran twice daily or to warfarin dose adjusted to international normalised ratio 2 0 to 3 0 Median follow up was 2 0 years (IQR 1 14-2 86) and the primary outcome was stroke or systemic embolism The primary safety outcome was major haemorrhage Patients and investigators were aware of whether patients received warfarin or dabigatran but not of dabigatran dose and event adjudicators were masked to treatment In a predefined analysis we investigated the outcomes of the RE LY trial in subgroups of patients with or without previous stroke or transient ischaemic attack RE LY is registered with ClimcalTriaLs gov NCT00262600 Findings Within the subgroup of patients with previous stroke or transient ischaemic attack, 1195 patients were from the 110 mg dabigatran group 1233 from the 150 mg dabigatran group and 1195 from the warfarin group Stroke or systemic embolism occurred m 65 patients (2 78% per year) on warfarin compared with 55 (2 32% per year) on 110 mg dabigatran (relative risk 0 84, 95% CI 0 58-1 20) and 51 (2 07% per year) on 150 mg dabigatran (0 75 0 52-1 08) The rate of major bleeding was significantly lower in patients on 110 mg dabigatran (RR 0 66 95% CI 0 48-0 90) and similar in those on 150 mg dabigatran (RR 1 01 95% CI 0 77-1 34) compared with those on warfarin The effects of both doses of dabigatran compared with warfarin were not significantly different between patients with previous stroke or transient ischaemic attack and those without for any of the outcomes from RE LY apart from vascular death (110 mg group compared with warfaric group mteraction p=0 038) Interpretation In patients with previous stroke or transient ischaemic attack, the effects of 110 mg dabigatran and 150 mg dabigatran on stroke or systemic embolism were similar to those of warfarin Most effects of both dabigatran doses were consistent in patients with versus those without previous stroke or transient ischaemic attack.
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| 25. |
- Douketis, James D., et al.
(författare)
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Urgent surgery or procedures in patients taking dabigatran or warfarin : Analysis of perioperative outcomes from the RE-LY trial
- 2016
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Ingår i: Thrombosis Research. - : Elsevier BV. - 0049-3848 .- 1879-2472. ; 139, s. 77-81
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Forskningsöversikt (refereegranskat)abstract
- Background: There is concern about the management of anticoagulated patients with atrial fibrillation (AF) who require an urgent surgery/procedure, especially in those who are receiving a direct oral anticoagulant such as dabigatran. Methods: We accessed the database from RE-LY, a randomized trial comparing dabigatran (110 mg and 150 mg twice daily) with warfarin for stroke prevention in AF, to assess patients who had an urgent and elective surgery/procedure. We compared the risk for thromboembolism, major bleeding and mortality according to treatment allocation (dabigatran 110 mg or 150 mg, or warfarin) or surgery/procedure type (urgent or elective). Outcomes were assessed from day-7 to day 30 after a surgery/procedure. Results: 353 patients (2.0% of study population) had an urgent surgery/procedure and 4168 patients (23.1% of study population) had an elective surgery/procedure. In patients on dabigatran 110 mg, dabigatran 150 mg and warfarin who had an urgent surgery/procedure: rates of thromboembolism were 16.1%, 7.4%, and 10.5%; rates of major bleeding were 17.0%, 17.6%, and 22.9%; rates of mortality were 6.3%, 1.5%, and 2.9%, respectively (P > 0.50 for all comparisons). Rates of these outcomes were multi-fold higher in patients having an urgent rather than an elective surgery/procedure (P < 0.5 for all comparisons). Conclusion: In anticoagulated patients with atrial fibrillation who require an urgent surgery/procedure, the risks for thromboembolism, major bleeding and mortality did not differ depending on treatment with dabigatran or warfarin, but rates of these outcomes were multi-fold higher than in patients having an elective surgery/procedure.
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