Clinical trial of indobufen combined with clopidogrel in the treatment of elderly patients with coronary heart disease after PCI
Objective To observe the effects of indobufen tablets combined with clopidogrel tablets on levels of serum myocardial injury indexes and incidence of major adverse cardiovascular events(MACE)in elderly patients with coronary heart disease after percutaneous coronary intervention(PCI).Methods The elderly patients with coronary heart disease after PCI were divided into treatment group[clopidogrel 75 mg(qd)combined with indobufen 200 mg(qd)]and control group[clopidogrel 75 mg(qd)combined with aspirin 100 mg(qd)]according to cohort method.All patients were treated for 3 months.The total effective rate,serum myocardial injury indexes[N terminal pro B type natriuretic peptide(NT-proBNP),cardiac troponin Ⅰ(cTn Ⅰ)],coagulation-fibrinolysis indexes[fibrinogen(FIB),prothrombin time(PT),antithrombin Ⅲ(AT-Ⅲ)]and platelet function indexes[platelet distribution width(PDW)]were compared between two groups.Occurrence of bleeding events and MACE within 6 months were compared between the two groups.The safety was evaluated.Results There were 32 cases in control group and 32 cases in treatment group.After treatment,the total effective rates in treatment group and control group were 93.75％(30 cases/32 cases)and 78.13％(25 cases/32 cases),without significant difference(P＞0.05).After treatment,NT-proBNP levels in treatment group and control group were(202.65±30.77)and(283.52±31.42)pg·mL-1,cTn Ⅰ levels were(0.06±0.01)and(0.12±0.03)ng·mL-1,FIB levels were(3.17±0.51)and(3.84±0.59)g·L-1,PT were(15.87±1.23)and(14.92±1.35)s,AT-Ⅲ levels were(138.95±14.18)％and(125.17±14.96)％,PDW were(17.04±2.04)％and(19.13±2.32)％,the differences were statistically significant(all P＜0.05).The incidences of bleeding events in treatment group and control group were 6.25％and 15.63％,adverse drug reactions were 9.38％and 15.63％,respectively,the differences of above indexes were statistically significant between two groups(all P＞0.05).The total incidences of MACE in treatment group and control group were 6.25％and 25.00％,respectively(P＜0.05).Conclusion Indobufen tablets combined with clopidogrel tablets can reduce levels of serum myocardial injury indexes in elderly patients with coronary heart disease after PCI,improve coagulation-fibrinolysis function and reduce the incidence of MACE.
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