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《海南医科大学学报（英文版）》
>Effects of different doses of ticagrelor on coronary blood flow, inflammatory response and myocardial enzyme spectrum in patients with acute myocardial infarction
Effects of different doses of ticagrelor on coronary blood flow, inflammatory response and myocardial enzyme spectrum in patients with acute myocardial infarction
Objective:To investigate the effects of different doses of ticagrelor on coronary blood flow, inflammatory response and myocardial enzyme spectrum in patients with acute myocardial infarction.Methods: A total of 180 patients with acute myocardial infarction who were treated in our hospital between December 2015 and March 2017 were reviewed and divided into the routine dose group (n=87) who accepted routine dose of ticagrelor therapy and loading dose group (n=93) who accepted loading dose of ticagrelor therapy. The differences in coronary blood flow, inflammatory response and myocardial enzyme spectrum were compared between the two groups before and after treatment.Results: Immediately after admission, there was no statistically significant difference in the coronary blood flow levels, inflammatory response and myocardial enzyme spectrum contents between the two groups. At 24 h after percutaneous coronary intervention (PCI), the coronary blood flow parameters SPV, DPV and CFVR levels in loading dose group were higher than those in routine dose group; serum inflammatory factors PCT, IL-6 and CRP contents were lower than those of routine dosage group; myocardial enzyme spectrum indexes cTnⅠ, LDH, HBDH and MB contents were lower than those of routine dose group.Conclusion: Loading dose of ticagrelor therapy before PCI can effectively optimize the coronary blood flow after PCI, reduce the systemic inflammatory response and protect the myocardial function in patients with acute myocardial infarction.
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