Novel oral anticoagulants versus vitamin K antagonists in patients with atrial fibrillation after transcatheter aortic valve replacement: A systematic review and meta-analysis.
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2022-04-27
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Abstract
Background
The efficacy and safety of novel oral anticoagulants (NOACs) compared to the current guideline-recommended vitamin K antagonists (VKAs) in atrial fibrillation (AF) patients undergoing transcatheter aortic valve replacement (TAVR) has not been well established. We pooled evidence from all available studies to assess the risks and benefits of this drug class.Methods
We queried electronic databases (MEDLINE, Scopus, and Cochrane central) up until January 28th, 2022 for studies comparing NOACs to VKAs in AF patients undergoing TAVR. Results from studies were presented as risk ratios (RR) and pooled using a random-effects model. Subgroup analysis by study design and meta-regression analysis were performed to explore heterogeneity.Results
A total of 12 studies (3 RCTs and 9 observational) containing 12,203 patients (mean age 81.2 years; 50.5% men) were identified and included in the analysis. Pooled analysis revealed no significant difference between NOACs and VKAs in terms of stroke or systemic embolism (RR: 0.78; p = 0.18), major bleeding (RR: 0.84; p = 0.32), intracranial hemorrhage (RR 0.61; p = 0.06), all-cause mortality (RR: 0.69; p = 0.07), and myocardial infarction (RR: 1.60; p = 0.24) at a mean length of follow-up of 15.1 months. RCTs and observational studies did not significantly differ across outcomes on subgroup analysis. Meta-regression analysis found heterogeneity in all-cause mortality to be significantly explained by percentage of males (coefficient: 0.049, p = 0.007), mean age (coefficient: 0.221, p < 0.001), and CHA2DS2-VASc score (coefficient: -1.657, p < 0.001).Conclusions
This meta-analysis suggests that outcomes with NOACs do not significantly differ compared to VKAs following TAVR in patients with AF.Type
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Memon, Muhammad Mustafa, Asad Ali Siddiqui, Emaan Amin, Fahd Niaz Shaikh, Muhammad Shahzeb Khan, Rami Doukky and Richard A Krasuski (2022). Novel oral anticoagulants versus vitamin K antagonists in patients with atrial fibrillation after transcatheter aortic valve replacement: A systematic review and meta-analysis. Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions. 10.1002/ccd.30213 Retrieved from https://hdl.handle.net/10161/24976.
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Richard Andrew Krasuski
Dr. Richard Krasuski is Director of the Adult Congenital Heart Center at Duke University Medical Center, the Director of Hemodynamic Research, and the Medical Director of the CTEPH Program. He is considered a thought leader in the fields of pulmonary hypertension and congenital heart disease. His research focus is in epidemiologic and clinical studies involving patients with pulmonary hypertension and patients with congenital heart disease. He is involved in multiple multicenter studies through the Alliance for Adult Research in Congenital Cardiology (AARCC). He has also helped to develop multiple research databases in these patient populations. He is Co-PI in the upcoming EPIPHANY Study examining the impact of medical and transcatheter interventions on RV-PA coupling in patients with chronic thromboembolic pulmonary hypertension. Over his career he has mentored over 80 students, residents and fellows and has published over 300 peer reviewed publications, book chapters and meeting abstracts. He is also the Chief Editor of Advances in Pulmonary Hypertension and on the editorial boards of several leading medical journals.
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