We describe a case of fatal stent thrombosis after Carbostent implantation and clopidogrel alone antiplatelet therapy in a patient affected by rectal cancer who does not tolerate aspirin. He had three-vessel disease, with occlusion of the right and left anterior descending coronary artery and a severe stenosis of the proximal left circumflex. High-risk circumflex percutaneous coronary intervention (PCI) was performed under left ventricular assistance by Impella device with an optimal final angiographic result. After 2 h, however, the patient developed chest pain with marked ST segment elevation in the infero-lateral leads, due to stent thrombosis, and hypotention which rapidly degenerated into cardiac arrest, electromechanical dissociation and death. At the present time the choice between PCI at high risk of stent thrombosis followed by low risk cancer resection and cancer resection at high risk of peri-operative myocardial infarction followed by low risk PCI remains difficult.
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