Acute ST SEgment Elevation Myocardial Infarction Clinical Trial
Official title:
Thromboelastography As An Assessment Tool for Possible Clopidogrel and Aspirin Resistance in The Patients Treated With Primary PCI for STEMI
TEG is an established technique to assess the quality of clot formation' used mainly in surgery and obstetrics to determine possible bleeding diathesis. Recently it became to be used in cardiology, where it can be a valuable tool to assess a response to antiplatelet therapy and its association with the outcome. However, there is a few data about use of TEG in STEMI patients undergoing PCI. Our study is designed to assess by TEG the platelet's response to clopidogrel treatment during acute STEMI in patients undergoing primary PCI and the correlation of this response with the long term outcome, and ability to dose adjustment according to a specific measurement by TEG in order to prevent future MACE.
TEG system may provide the capabilities needed to deliver personalized therapy, first,
because it can identify patients at risk of ischemic event based on hemostatic influences,
particularly platelet aggregation and platelet reactivity. Secondly, because treating those
patients who exhibit high platelet reactivity -- an indication that they are not reaching a
therapeutic level -- with appropriate drugs and doses is expected to improve outcomes.
In this study that would be increased clopidogrel maintenance dosing (150 mg) or aspirin
maintenance dosing to 200mg in an attempt to lower platelet reactivity below the 50th%ile,
which we expect to also reduce their ischemic risk during the follow up period.
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Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention
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