A thrombus stuck in the ostium of the coronary artery.

of drug-eluting stent thrombosis during and after discontinuation of thienopyridine treatment. Circulation 2007;116:745–754. 23. Grines CL, Bonow RO, Casey DE, Gardner TJ, Lockhart PB, Moliterno DJ, O’Gara P, Whitlow P American Heart Association, American College of Cardiology, Society for Cardiovascular Angiography Interventions, American College of Surgeons, American Dental Association, American College of Physicians. Prevention of premature discontinuation of dual antiplatelet therapy in patients with coronary artery stents. Circulation 2007;115:813–818. 24. Joner M, Finn AV, Farb A, Mont EK, Kolodgie FD, Ladich E, Kutys R, Skorija K, Gold HK, Virmani R. Pathology of drug-eluting stents in humans: delayed healing and late thrombotic risk. J Am Coll Cardiol 2006;48:193–202. 25. Serruys PW, Daemen J, Morice MC. Three-year follow-up of the ARTS-II – sirolimus-eluting stents for the treatment of patients with multivessel coronary artery disease. EuroInterv 2007;3:450–459. 26. Wiviott SD, Braunwald E, McCabe CH, Horvath I, Keltai M, Herrman JP, Van de Werf F, Downey WE, Scirica BM, Murphy SA, Antman EM TRITON-TIMI 38 Investigators. Intensive oral antiplatelet therapy for reduction of ischemic events including stent thrombosis in patients with acute coronary syndromes treated with percutaneous coronary intervention and stenting in the TRITONTIMI 38 trial: a subanalysis of a randomised trial. Lancet 2008;371:1353–1363. 27. Steinberg DH, Mishra S, Javaid A, Pinto Slottwo TL, Buch AN, Roy P, Okabe T, Smith KA, Torguson R, Xue Z, Pichard AD, Satler LF, Kent KM, Suddath WO, Waksman R. Comparison of effectiveness of bare metal stents versus drug-eluting stents in large ( 3.5 mm) coronary arteries. Am J Cardiol 2007;99:599–602. 28. Pfisterer M, Bertel O, Bonetti P, Brunner-La Rocca HP, Eberli FR, Erne P, Galatius S, Hornig B, Kiowski W, Pachinger O, Pedrazzini G, Rickli H, De Servi S, Kaiser C BASKET-PROVE Investigators. Drug-eluting vs. bare-metal stents in large coronary vessel stenting. The BASKET-PROVE trial: study protocol and design. Am Heart J 2008;155:609–614.