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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Am+Heart+Assoc
2017 ; 6
(7
): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Effects of Non-Vitamin K Antagonist Oral Anticoagulants Versus Warfarin in
Patients With Atrial Fibrillation and Valvular Heart Disease: A Systematic Review
and Meta-Analysis
#MMPMID28720644
Pan KL
; Singer DE
; Ovbiagele B
; Wu YL
; Ahmed MA
; Lee M
J Am Heart Assoc
2017[Jul]; 6
(7
): ä PMID28720644
show ga
BACKGROUND: The original non-vitamin K antagonist oral anticoagulant (NOAC)
trials in nonvalvular atrial fibrillation (AF) enrolled patients with native
valve pathologies. The object of this study was to quantify the benefit-risk
profiles of NOACs versus warfarin in AF patients with native valvular heart
disease (VHD). METHODS AND RESULTS: Trials were identified by exhaustive
literature search. Trial data were combined using inverse variance weighting to
produce a meta-analytic summary hazard ratio (HR) and 95% confidence interval
(CI) of efficacy and safety of NOACs versus warfarin. Our final analysis included
4 randomized controlled trials that enrolled 71 526 participants, including
13 574 with VHD. Pooling results from included trials showed that NOACs versus
warfarin reduced stroke or systemic embolism (HR: 0.70; 95% CI, 0.60-0.82) and
intracranial hemorrhage (HR: 0.47; 95% CI, 0.24-0.92) in AF patients with VHD.
However, risk reduction of major bleeding and intracranial hemorrhage was driven
by apixaban, edoxaban, and dabigatran (HR for major bleeding: 0.79 [95% CI,
0.69-0.91]; HR for intracranial hemorrhage: 0.33 [95% CI, 0.25-0.45]) but not
rivaroxaban (HR for major bleeding: 1.56 [95% CI, 1.20-2.04]; HR for intracranial
hemorrhage: 1.27 [95% CI, 0.77-2.10]). CONCLUSIONS: Among patients with AF and
native VHD, NOACs reduce stroke and systemic embolism compared with warfarin.
Evidence shows that apixaban, dabigatran, and edoxaban also reduce bleeding in
this patient subgroup, whereas major bleeding (but not intracranial hemorrhage or
mortality rate) is significantly increased in VHD patients treated with
rivaroxaban. NOACs are a reasonable alternative to warfarin in AF patients with
VHD.