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Risk of Early Adverse Events After Clopidogrel Discontinuation in Patients Undergoing Short-Term Dual Antiplatelet Therapy: An Individual Participant Data Analysis Dual antiplatelet therapy (PEGASUS) vs. dual pathway (COMPASS): a head-to-head in vitro comparison Ticagrelor versus clopidogrel in patients with acute coronary syndromes Higher neutrophil-to-lymphocyte ratio (NLR) increases the risk of suboptimal platelet inhibition and major cardiovascular ischemic events among ACS patients receiving dual antiplatelet therapy with ticagrelor Stopping or continuing clopidogrel 12 months after drug-eluting stent placement: the OPTIDUAL randomized trial 'Ticagrelor alone vs. dual antiplatelet therapy from 1 month after drug-eluting coronary stenting among patients with STEMI': a post hoc analysis of the randomized GLOBAL LEADERS trial Ticagrelor versus clopidogrel in elective percutaneous coronary intervention (ALPHEUS): a randomised, open-label, phase 3b trial Second-generation drug-eluting stent implantation followed by 6- versus 12-month dual antiplatelet therapy: the SECURITY randomized clinical trial Effect of Ticagrelor Monotherapy vs Ticagrelor With Aspirin on Major Bleeding and Cardiovascular Events in Patients With Acute Coronary Syndrome: The TICO Randomized Clinical Trial Six-month versus 12-month dual antiplatelet therapy after implantation of drug-eluting stents: the Efficacy of Xience/Promus Versus Cypher to Reduce Late Loss After Stenting (EXCELLENT) randomized, multicenter study

Review Article2018 Nov;33(6):660-664.

JOURNAL:Curr Opin Cardiol. Article Link

New-onset atrial fibrillation after PCI and CABG for left main disease: insights from the EXCEL trial and additional studies

Kosmidou I, Stone GW. Keywords: nonsurgical atrial fibrillation; LMCAD; CABG; PCI; outcome

ABSTRACT


PURPOSE OF REVIEW - To provide an up-to-date review of recent trials examining the incidence and prognostic impact of new-onset atrial fibrillation (NOAF) following percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) for left main coronary artery disease (LMCAD) and the impact of postprocedural NOAF compared to nonsurgical atrial fibrillation.


RECENT FINDINGS - A recent analysis from the Evaluation of XIENCE versus Coronary Artery Bypass Surgery for Effectiveness of Left Main Revascularization (EXCEL) trial demonstrated that NOAF is much more frequent following surgical compared with percutaneous revascularization for LMCAD, and is strongly associated with an increased 3-year risk of mortality and stroke. In a recent Danish registry-based, propensity score-matched analysis, postsurgical NOAF conferred a lower risk of adverse outcomes compared with nonsurgical nonvalvular atrial fibrillation.


SUMMARY - These new studies confirm that although postsurgical NOAF after left main revascularization may be of less clinical significance than nonvalvular atrial fibrillation, its occurrence still is strongly associated with subsequent stroke and mortality. Future efforts are warranted to prevent postsurgical NOAF and determine strategies for its optimal management should it occur.