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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
Thromboembolic Risk, Bleeding Outcomes and Effect of Different Antithrombotic
Strategies in Very Elderly Patients With Atrial Fibrillation: A Sub-Analysis From
the PREFER in AF (PREvention oF Thromboembolic Events-European Registry in Atrial
Fibrillation)
#MMPMID28736385
Patti G
; Lucerna M
; Pecen L
; Siller-Matula JM
; Cavallari I
; Kirchhof P
; De Caterina R
J Am Heart Assoc
2017[Jul]; 6
(7
): ä PMID28736385
show ga
BACKGROUND: Increasing age predisposes to both thromboembolic and bleeding events
in patients with atrial fibrillation; therefore, balancing risks and benefits of
antithrombotic strategies in older populations is crucial. We investigated 1-year
outcome with different antithrombotic approaches in very elderly atrial
fibrillation patients (age ?85 years) compared with younger patients. METHODS AND
RESULTS: We accessed individual patients' data from the prospective PREFER in AF
(PREvention oF thromboembolic events-European Registry in Atrial Fibrillation),
compared outcomes with and without oral anticoagulation (OAC), and estimated
weighed net clinical benefit in different age groups. A total of 6412 patients,
505 of whom were aged ?85 years, were analyzed. In patients aged <85 years, the
incidence of thromboembolic events was 2.8%/year without OAC versus 2.3%/year
with OAC (0.5% absolute reduction); in patients aged ?85 years, it was 6.3%/year
versus 4.3%/year (2% absolute reduction). In very elderly patients, the risk of
major bleeding was higher than in younger patients, but similar in patients on
OAC and in those on antiplatelet therapy or without antithrombotic treatment
(4.0%/year versus 4.2%/year; P=0.77). OAC was overall associated with weighted
net clinical benefit, assigning weights to nonfatal events according to their
prognostic implication for subsequent death (-2.19%; CI, -4.23%, -0.15%;
P=0.036). We found a significant gradient of this benefit as a function of age,
with the oldest patients deriving the highest benefit. CONCLUSIONS: Because the
risk of stroke increases with age more than the risk of bleeding, the absolute
benefit of OAC is highest in very elderly patients, where it, by far, outweighs
the risk of bleeding, with the greatest net clinical benefit in such patients.