Incidence of Aspirin 'Resistance' as Determined Using the PFA-100 in Pediatric Patients with Arterial Ischemic Stroke.

Abstract A significant benefit of aspirin (ASA) has been demonstrated in the prevention of arterial thrombotic events in high-risk adult patients. Despite ASA therapy, recurrence of thromboembolic events, or treatment failure, has been reported in 10–20% of patients, and this has been termed ASA ’resistance’. This term has also been applied to the failure of ASA to affect ASA-dependent laboratory tests. As there is little …