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What's new in the Fourth Universal Definition of Myocardial infarction? Prognostic Significance of Complex Ventricular Arrhythmias Complicating ST-Segment Elevation Myocardial Infarction Left Main Revascularization in 2017 Coronary Artery Bypass Grafting or Percutaneous Coronary Intervention? Relation between door-to-balloon times and mortality after primary percutaneous coronary intervention over time: a retrospective study Patterns and associations between DAPT cessation and 2-year clinical outcomes in left main/proximal LAD versus other PCI: Results from the Patterns of Non-Adherence to Dual Antiplatelet Therapy in Stented Patients (PARIS) registry Respiratory syncytial virus infection and risk of acute myocardial infarction Comparison of double kissing crush versus Culotte stenting for unprotected distal left main bifurcation lesions: results from a multicenter, randomized, prospective DKCRUSH-III study Improvement of Clinical Outcome in Patients With ST-Elevation Myocardial Infarction Between 1999 And 2016 in China : The Prospective, Multicenter Registry MOODY Study In Vivo Calcium Detection by Comparing Optical Coherence Tomography, Intravascular Ultrasound, and Angiography Recurrent Cardiovascular Events in Survivors of Myocardial Infarction with St-Segment Elevation (From the AMI-QUEBEC Study)

Review ArticleVolume 13, Number 6, 2017 Aug 25

JOURNAL:EuroIntervention. Article Link

State of the art: duration of dual antiplatelet therapy after percutaneous coronary intervention and coronary stent implantation - past, present and future perspectives.

Gargiulo G, Valgimigli M, Capodanno D et al. Keywords: percutaneous coronary intervention ; dual antiplatelet therapy; randomised trials

ABSTRACT

Evidence from studies published more than 10 years ago suggested that patients receiving first-generation drug-eluting stents (DES) needed dual antiplatelet therapy (DAPT) for at least 12 months. Current evidence from randomised controlled trials (RCT) reported within the past five years suggests that patients with stable ischaemic heart disease who receive newer-generation DES need DAPT for a minimum of three to six months. Patients who undergo stenting for an acute coronary syndrome benefit from DAPT for at least 12 months, but a Bayesian network meta-analysis confirms that extending DAPT beyond 12 months confers a trade-off between reduced ischaemic events and increased bleeding. However, the network meta-analysis finds no credible increase in all-cause mortality if DAPT is lengthened from three to six months to 12 months (posterior median odds ratio [OR] 0.98; 95% Bayesian credible interval [BCI]: 0.73-1.43), from 12 months to 18-48 months (OR 0.87; 95% BCI: 0.64-1.17), or from three to six months to 18-48 months (OR 0.86; 95% BCI: 0.63-1.21). Future investigation should focus on identifying scoring systems that have excellent discrimination and calibration. Although predictive models should be incorporated into systems of care, most decisions about DAPT duration will be based on clinical judgement and patient preference.