Is conventional antiplatelet therapy for the prevention of coronary stent thrombosis always safe? A case report of a patient with polycythemia vera.

A 63-year-old male patient with both polycythemia vera and unstable angina underwent an angioplasty with the deployment of a stent. Conventional antiplatelet therapy failed to prevent stent thrombosis and an association with chronic anticoagulation seemed to be the only safe treatment. Moreover, after the late withdrawal of warfarin, stent thrombosis recurred.