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Cayla G.,Institut Universitaire de France | Cayla G.,University of Nimes | Silvain J.,Institut Universitaire de France | Barthelemy O.,Institut Universitaire de France | And 8 more authors.
Heart | Year: 2011

Aim: To determine the incidence, type and possible association with mortality of major bleeding in patients with non-ST segment elevation acute coronary syndrome (NSTE-ACS) treated with an invasive strategy using predominantly the radial approach and triple antiplatelet therapy. Methods: In the multicentre randomised ABOARD Study, 352 patients with NSTE-ACS were randomised to an 'immediate percutaneous coronary intervention (PCI)' strategy or a strategy of PCI on the 'next working day'. Radial access was predominantly used in this study population. The present subanalysis evaluated the occurrence of major bleeding complications and their association with mortality at 1 month. Results: Patients were treated with a triple antiplatelet therapy using high loading and maintenance doses of clopidogrel and abciximab in 99% of patients receiving PCI. The trans-radial approach was used in the vast majority of patients (84%). During the first 30 days, major bleeding complications (STEEPLE definition) occurred in 5.4% of patients (n=19), with no difference between immediate and delayed intervention. The most common bleeding complications were occult bleeding (36.8% of bleeding, n=7/19) and overt gastrointestinal bleeding (21% of bleeding, n=4/19). Patients with major bleeding had a higher peak concentration of creatinine during hospitalisation (mean±SD, 170±169 vs 97±57 μmol/l; p=0.005) and a 1-month mortality of 26.3%, much higher than patients without bleeding (0.6%, p<0.0001). Major bleeding was strongly associated with 30-day mortality (OR 50.3; 95% CI 10.1 to 249.7; p<0.0001). Conclusion: Despite the predominant use of the radial approach, major bleeding (essentially occult and gastrointestinal) remains a common complication, which is highly associated with mortality in patients with NSTE-ACS treated with optimal antithrombotic therapy.

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