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Use of Chronic Oral Anticoagulation and Associated Outcomes Among Patients Undergoing Percutaneous Coronary Intervention.

Abstract：

BACKGROUND:Contemporary rates of oral anticoagulant (OAC) therapy and associated outcomes among patients undergoing percutaneous coronary intervention (PCI) have been poorly described. METHODS AND RESULTS:Using data from an integrated health care system from 2009 to 2014, we identified patients on OACs within 30 days of PCI. Outcomes included in-hospital bleeding and mortality. Of 9566 PCIs, 837 patients (8.8%) were on OACs, and of these, 7.9% used non-vitamin K antagonist agents. OAC use remained stable during the study (8.1% in 2009, 9.0% in 2014; P=0.11), whereas use of non-vitamin K antagonist agents in those on OACs increased (0% in 2009, 16% in 2014; P<0.01). Following PCI, OAC-treated patients had higher crude rates of major bleeding (11% versus 6.5%; P<0.01), access-site bleeding (2.3% versus 1.3%; P=0.017), and non-access-site bleeding (8.2% versus 5.2%; P<0.01) but similar crude rates of in-hospital stent thrombosis (0.4% versus 0.3%; P=0.85), myocardial infarction (2.5% versus 3.0%; P=0.40), and stroke (0.48% versus 0.52%; P=0.88). In addition, prior to adjustment, OAC-treated patients had longer hospitalizations (3.9±5.5 versus 2.8±4.6 days; P<0.01), more transfusions (7.2% versus 4.2%; P<0.01), and higher 90-day readmission rates (22.1% versus 13.1%; P<0.01). In adjusted models, OAC use was associated with increased risks of in-hospital bleeding (odds ratio 1.50; P<0.01), 90-day readmission (odds ratio 1.40; P<0.01), and long-term mortality (hazard ratio 1.36; P<0.01). CONCLUSIONS:Chronic OAC therapy is frequent among contemporary patients undergoing PCI. After adjustment for potential confounders, OAC-treated patients experienced greater in-hospital bleeding, more readmissions, and decreased long-term survival following PCI. Efforts are needed to reduce the occurrence of adverse events in this population.

journal_name

J Am Heart Assoc

journal_title

Journal of the American Heart Association

authors

Secemsky EA,Butala NM,Kartoun U,Mahmood S,Wasfy JH,Kennedy KF,Shaw SY,Yeh RW

doi

10.1161/JAHA.116.004310

subject

Has Abstract

pub_date

2016-10-17 00:00:00

issue

issn

2047-9980

pii

JAHA.116.004310

journal_volume

pub_type

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Use of Chronic Oral Anticoagulation and Associated Outcomes Among Patients Undergoing Percutaneous Coronary Intervention.