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Comparative Study
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't
Randomized comparison of new dual-antiplatelet therapy (aspirin, prasugrel) and triple-antiplatelet therapy (aspirin, clopidogrel, cilostazol) using P2Y12 point-of-care assay in patients with STEMI undergoing primary PCI.
International Journal of Cardiology 2013 September 21
BACKGROUND: Both new dual antiplatelet therapy (DAT; aspirin and prasugrel) and triple antiplatelet therapy (TAT; aspirin, clopidogrel and cilostazol) are more potent than classic DAT (aspirin and clopidogrel). We compared the antiplatelet efficacy between new DAT and TAT in patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary coronary percutaneous coronary intervention (PCI).
METHODS: Forty patients who were eligible for primary PCI were prospectively randomized to DAT group (n=20) or TAT group (n=20) immediately after hospital arrival. The primary end point was P2Y12 reaction unit (PRU) determined with the VerifyNow P2Y12 point-of-care assay at the time of discharge.
RESULTS: PRU value at discharge was significantly lower in patients receiving DAT compared with that of TAT (84.5 ± 44.7 vs. 128.4 ± 74.9, p=0.032). Percent platelet inhibition was significantly higher for DAT compared with TAT at discharge (72.1 ± 12.2 vs. 57.5 ± 23.5, p=0.020). Inter-patient variability of PRU values at discharge was significantly smaller in patient taking DAT compared with TAT (p=0.026).
CONCLUSION: A new DAT is more potent antiplatelet therapy than TAT in patients with STEMI undergoing primary PCI.
METHODS: Forty patients who were eligible for primary PCI were prospectively randomized to DAT group (n=20) or TAT group (n=20) immediately after hospital arrival. The primary end point was P2Y12 reaction unit (PRU) determined with the VerifyNow P2Y12 point-of-care assay at the time of discharge.
RESULTS: PRU value at discharge was significantly lower in patients receiving DAT compared with that of TAT (84.5 ± 44.7 vs. 128.4 ± 74.9, p=0.032). Percent platelet inhibition was significantly higher for DAT compared with TAT at discharge (72.1 ± 12.2 vs. 57.5 ± 23.5, p=0.020). Inter-patient variability of PRU values at discharge was significantly smaller in patient taking DAT compared with TAT (p=0.026).
CONCLUSION: A new DAT is more potent antiplatelet therapy than TAT in patients with STEMI undergoing primary PCI.
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