• A Rodriguez, N Guilera, A Mases, P Sierra, J C Oliva, C Colilles, and REGISTRESTENTS group.
• Department of Anaesthesiology, Parc Taulí Hospital Universitari, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Spain. Electronic address: arodriguezp@tauli.cat.
• Br J Anaesth. 2018 Jan 1; 120 (1): 67-76.

BackgroundPerioperative discontinuation of antiplatelet therapy (APT) in patients with coronary stents has been associated with major adverse cardiac events. Our aim was to analyse the perioperative management of APT in such patients and its relationship to the incidence of major adverse cardiac and cerebrovascular events (MACCE) and major bleeding events (MBE) in noncardiac surgery.MethodsWe completed a prospective multicentre observational study of patients with coronary stents undergoing noncardiac surgery in 11 hospitals in Spain. The main objectives were to record perioperative events and prospectively analyse the management of APT, and to assess whether the different preoperative APT regimens were associated with MACCE and MBE.ResultsOf 432 surgical procedures studied, 15% experienced a perioperative MACCE and 37% a MBE. Overall mortality was 3.0%. Presurgical APT was prescribed in 95% of procedures, and was preoperatively discontinued in 15%. Surgery was urgent or emergent in 22% of patients, 31% were ASA IV, and 38% had a Revised Cardiac Risk Index of IV. MACCE were related to recent myocardial infarction (P=0.038), chronic kidney disease (P<0.001), insulin-dependent diabetes (P=0.006) and no preoperative APT (P=0.018). MBE also increased MACCE risk (P<0.001). We found statin therapy (P=0.049) and obesity (P=0.016) to be protective factors for MACCE.ConclusionsPatients with coronary stents undergoing noncardiac surgery suffer a high incidence of perioperative adverse events, even with perioperative APT. Major adverse cardiac and cerebrovascular events are mainly related to previous medical conditions and perioperative major bleeingn events. Our findings should be treated with caution when applied to an elective surgery population.Clinical Trial RegistrationNCT01171612.Copyright © 2017. Published by Elsevier Ltd.

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