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Non–Vitamin K Antagonist Oral Anticoagulants Versus Warfarin in Asians With Atrial Fibrillation: Meta-Analysis of Randomized Trials and Real-World Studies

Stroke (1970), 2019-10, Vol.50 (10), p.2819-2828 [Peer Reviewed Journal]

2019 American Heart Association, Inc. ;2019 American Heart Association, Inc. 2019 ;ISSN: 0039-2499 ;EISSN: 1524-4628 ;DOI: 10.1161/STROKEAHA.119.026054 ;PMID: 31422735

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  • Title:
    Non–Vitamin K Antagonist Oral Anticoagulants Versus Warfarin in Asians With Atrial Fibrillation: Meta-Analysis of Randomized Trials and Real-World Studies
  • Author: Xue, Zhengbiao ; Zhang, Hao
  • Subjects: Anticoagulants - therapeutic use ; Asian Continental Ancestry Group ; Atrial Fibrillation - drug therapy ; Humans ; Original Contributions ; Randomized Controlled Trials as Topic ; Warfarin - therapeutic use
  • Is Part Of: Stroke (1970), 2019-10, Vol.50 (10), p.2819-2828
  • Description: BACKGROUND AND PURPOSE—Several randomized trials and real-world studies have reported the efficacy and safety of non–vitamin K antagonist oral anticoagulants (NOACs) in Asian patients with atrial fibrillation; and therefore, this meta-analysis was aimed to compare the effects of NOACs with warfarin for atrial fibrillation stroke prevention in Asians. METHODS—The PubMed and Embase databases were searched from January 2009 to February 2019 for studies on comparisons of NOACs versus warfarin in Asians. Risk ratios (RRs) with 95% CIs were pooled using a random-effects model. RESULTS—Five NOAC trials and 21 observational cohorts were included. For the NOAC trials, compared with warfarin, NOACs was associated with reduced risks of stroke or systemic embolism (RR, 0.73; 95% CI, 0.59–0.90), all-cause death (RR, 0.83; 95% CI, 0.73–0.95), major bleeding (RR, 0.59; 95% CI, 0.48–0.72), and intracranial bleeding (RR, 0.36; 95% CI, 0.26–0.49). For the real-world data, compared with warfarin, NOACs was associated with decreased rates of stroke or systemic embolism (RR, 0.75; 95% CI, 0.68–0.82), ischemic stroke (RR, 0.70; 95% CI, 0.59–0.83), myocardial infarction (RR, 0.74; 95% CI, 0.58–0.93), all-cause death (RR, 0.67; 95% CI, 0.59–0.77), major bleeding (RR, 0.63; 95% CI, 0.55–0.73), intracranial bleeding (RR, 0.50; 95% CI, 0.43–0.59), and gastrointestinal bleeding (RR, 0.65; 95% CI, 0.51–0.84). The results did not change in the subgroup analyses based on the type and dose of NOACs. CONCLUSIONS—Based on published NOAC trials and real-world studies, the use of NOACs is noninferior to warfarin in Asians with atrial fibrillation irrespective of the NOAC type and dose.
  • Publisher: United States: American Heart Association, Inc
  • Language: English
  • Identifier: ISSN: 0039-2499
    EISSN: 1524-4628
    DOI: 10.1161/STROKEAHA.119.026054
    PMID: 31422735
  • Source: MEDLINE
    Alma/SFX Local Collection
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