Focused 2012 update of the Canadian Cardiovascular Society guidelines for the use of antiplatelet therapy
Abstract
The initial 2010 Canadian Cardiovascular Society (CCS) Guidelines for the Use of Antiplatelet Therapy in the Outpatient Setting were published in May 2011. As part of a planned re-evaluation within 2 years, we conducted an extensive literature search encompassing all topics included in the 2010 CCS Guidelines, and concluded that there were sufficient new data to merit revisiting the guidance on antiplatelet therapy for secondary prevention in the first year after acute coronary syndrome (ACS), percutaneous coronary intervention, or coronary artery bypass grafting, and the interaction between clopidogrel and proton pump inhibitors. In addition, new clinical trials information about the efficacy and safety of combining novel oral anticoagulants with antiplatelet therapy in ACS justified the addition of a new section of recommendations to the Guidelines. In this focused update, we provide recommendations for the use of clopidogrel, ticagrelor, and prasugrel in non-ST elevation ACS, avoidance of prasugrel in patients with previous stroke/transient ischemic attack, higher doses of clopidogrel (j) /day) for the first 6 days after ACS, and the preferential use of prasugrel or ticagrelor after percutaneous coronary intervention in ACS. For non-ACS stented patients, we recommend acetylsalicylic acid/clopidogrel for 1 year, with at least 1 month of therapy for bare-metal stent patients and 3 months for drug-eluting stent patients unable to tolerate year-long double therapy. We also…
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