Background: No study has investigated the perioperative management and clinical outcomes in patients who are receiving rivaroxaban 2.5 mg bid and ASA 81-100 mg daily.
Methods: Sub-analysis of the COMPASS trial to assess perioperative management and clinical outcomes in patients with stable coronary or peripheral artery disease who were randomized to receive rivaroxaban 2.5 mg bid plus ASA 100 mg daily, rivaroxaban 5 mg bid, or ASA 100 mg daily. Patients studied required a surgery/procedure during the trial. The study outcomes, which included myocardial infarction, angina, stroke, acute limb ischemia, bleeding, and death, were assessed according to treatment allocation.
Results: There were 2,632 patients studied (mean age, 68 years; 80% male) who had a surgery/procedure, comprising percutaneous coronary interventions (∼43%), carotid or other arterial angioplasty (∼15%), pacemaker or internal cardiac defibrillator implantation (∼9%), and coronary artery bypass graft surgery (∼7%). Perioperative study drug management varied, with about one-third of patients not interrupting study drug and the remainder interrupting it between 1 and ≥10 days pre-procedure. The incidences of adverse outcomes across treatment groups were 12.7% to 15.3% for myocardial ischemia, 0.8% to 1.2% for stroke, 0.1% to 0.2% for venous thromboembolism, and 3.1% to 4.2% for any bleeding. There was no statistically significant difference in outcome rates across treatment groups.
Conclusion: In patients in the COMPASS trial who required a surgery/procedure, there was no significant difference in perioperative adverse outcomes whether patients were receiving rivaroxaban 2.5 mg bid and ASA 100 mg daily, rivaroxaban 5 mg bid or ASA alone.
Keywords: anticoagulant; antiplatelet; aspirin; invasive procedure; perioperative; rivaroxaban; surgery.
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