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Background: Acute Stanford type A aortic dissection (TAAD) is a life-threatening condition. Surgery is usually performed as a salvage procedure and is associated with significant postoperative early mortality and morbidity. Understanding the patient’s conditions and treatment strategies which are associated with these adverse events is essential for an appropriate management of acute TAAD. Methods: Nineteen centers of cardiac surgery from seven European countries have collaborated to create a multicentre observational registry (ERTAAD), which will enroll consecutive patients who underwent surgery for acute TAAD from January 2005 to March 2021. Analysis of the impact of patient’s comorbidities, conditions at referral, surgical strategies and perioperative treatment on the early and late adverse events will be performed. The investigators have developed a classification of the urgency of the procedure based on the severity of preoperative hemodynamic conditions and malperfusion secondary to acute TAAD. The primary clinical outcomes will be in-hospital mortality, late mortality and reoperations on the aorta. Secondary outcomes will be stroke, acute kidney injury, surgical site infection, reoperation for bleeding, blood transfusion and length of stay in the intensive care unit. Discussion: The analysis of this multicentre registry will allow conclusive results on the prognostic importance of critical preoperative conditions and the value of different treatment strategies to reduce the risk of early adverse events after surgery for acute TAAD. This registry is expected to provide insights into the long-term durability of different strategies of surgical repair for TAAD. Trial registration: ClinicalTrials.gov Identifier: NCT04831073.

The perioperative bleeding risk in patients receiving fondaparinux versus low-molecular weight heparin before coronary artery bypass grafting has not been reported. We evaluated perioperative coronary artery bypass grafting -related bleeding in patients with acute coronary syndrome preoperatively treated with fondaparinux or low-molecular weight heparin. All patients with acute coronary syndrome from the prospective, European multicenter registry on Coronary Artery Bypass Grafting (E-CABG) preoperatively treated with fondaparinux or lowmolecular weight heparin undergoing isolated primary CABG were eligible. The primary outcome measure was severe or massive bleeding defined according to the Universal Definition of Perioperative Bleeding stratified by P2Y12 inhibitor discontinuation. Secondary outcome measures included three additional definitions of major bleeding used in cardiac surgery trials. Propensity score matching was performed to adjust for differences in pre- and perioperative covariates. 1525 patients were included, of whom 276 (18.1%) received fondaparinux and 1249 (81.9%) low-molecular weight heparin preoperatively. In the propensity score-matched cohort (245 pairs), the risk of major bleeding according to the Universal Definition of Perioperative Bleeding severe or massive bleeding (11.8 versus 9.0%, p = 0.285) and the three other major bleeding definitions was similar between the fondaparinux and low-molecular weight heparin cohorts. In conclusion, preoperative treatment with fondaparinux compared to low-molecular weight heparin was associated with similar incidence of perioperative bleeding in patients with acute coronary syndrome undergoing coronary artery bypass grafting.

Background: Multiple percutaneous coronary interventions (PCIs) are considered determinant of poor outcome in patients undergoing coronary artery bypass grafting (CABG), but scarce data exist to substantiate this. Methods and results: Patients who underwent CABG without history of prior PCI or with PCI performed >30 days before surgery were selected for the present analysis from the prospective, multicenter E‐CABG (European Multicenter Study on Coronary Artery Bypass Grafting) registry. Out of 6563 patients with data on preoperative SYNTAX (Synergy between PCI With Taxus and Cardiac Surgery) score, 1181 patients (18.0%) had undergone PCI >30 days before CABG. Of these, 11.6% underwent a single PCI, 4.4% 2 PCIs, and 2.1% ≥3 PCIs. PCI of a single main coronary vessel was performed in 11.3%, of 2 main vessels in 4.9%, and of 3 main vessels in 1.6% of patients. Multivariable analysis showed that differences in early mortality and other outcomes were not significantly different in the study cohorts. The adjusted hospital/30‐day mortality rate was 1.8% in patients without history of prior PCI, 1.9% in those with a history of 1 PCI, 1.4% after 2 PCIs, and 2.5% after ≥3 PCIs (adjusted P=0.8). The adjusted hospital/30‐day mortality rate was 2.0% in those who had undergone PCI of 1 main coronary vessel, 1.3% after PCI of 2 main vessels, and 3.1% after PCI of 3 main coronary vessels (adjusted P=0.6). Conclusions: Multiple prior PCIs are not associated with increased risk of early adverse events in patients undergoing isolated CABG. The present results are conditional to survival after PCI and should not be viewed as a support for a policy of multiple PCI as opposed to earlier CABG. Clinical trial registration: URL: http://www.Clinicaltrials.gov. Unique identifier: NCT02319083. ( J Am Heart Assoc. 2018;7: e010089. DOI: 10.1161/JAHA.118.010089.)