• Int. J. Cardiol. · Nov 2016

    Periprocedural platelet inhibition with cangrelor in P2Y12-inhibitor naïve patients with acute coronary syndromes - A matched-control pharmacodynamic comparison in real-world patients.

    • Michal Droppa, Pascal Spahn, Khalid Takhgiriev, Karin A L Müller, Ahmed Alboji, Andreas Straub, Dominik Rath, Young-Hoon Jeong, Meinrad Gawaz, and Tobias Geisler.
    • Department of Cardiology and Cardiovascular Medicine, University Hospital of Tübingen, Otfried-Mueller-Strasse 10, 72076 Tübingen, Germany. Electronic address: mdroppa@gmail.com.
    • Int. J. Cardiol. 2016 Nov 15; 223: 848-851.

    BackgroundEffective inhibition of platelet aggregation during PCI in high risk patients with ACS is of utmost importance. The new intravenous short acting P2Y12-receptor inhibitor cangrelor is available for use in PCI-treated patients. We aimed to study platelet inhibition during treatment with cangrelor and transition phase with oral P2Y12-receptor inhibitors in patients with acute coronary syndromes (ACS).MethodsCangrelor was administered during PCI to 21 P2Y12-inhibitor naïve patients with ACS. Patients received a loading dose of ticagrelor at the time of procedure or prasugrel 30min before end of the cangrelor infusion. Platelet inhibition was measured by multiple electrode aggregometry (MEA) and thromboelastography (TEG), before and after PCI, immediately and 2h after stopping the infusion. Platelet inhibition after PCI was compared to a matched cohort of patients treated with oral P2Y12-inibitors only.ResultsThere was a significant reduction of platelet reactivity measured by MEA-ADP from 46.7U to 17.9U and by TEG MA ADP from 43.1mm to 22.0mm before infusion and after PCI respectively (p<0.001). There was also sustained platelet inhibition after stopping of cangrelor infusion and 2h later. Significant higher platelet inhibition was observed at the end of PCI in comparison to control cohort without cangrelor (MEA 17.9U vs. 54.2U, p=0.001).ConclusionWe demonstrate significantly improved platelet inhibition during PCI in ACS patients treated with cangrelor in comparison to early treatment with potent oral P2Y12-inhibitors. Cangrelor should be considered for periprocedural treatment of high risk patients with acute coronary syndrome.Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

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