重组人尿激酶原联合替罗非班应用于急性心肌梗死经皮冠状动脉介入术术后的效果
Efficacy of rhPro-UK combined with tirofiban in the treatment of acute myocardial infarction after PCI
目的 观察重组人尿激酶原(recombinant human urokinase pro-gen,rhPro-UK)联合替罗非班应用于急性心肌梗死经皮冠状动脉介入术(percutaneous coronary in-tervention,PCI)术后的效果。 方法 选取2019年1月—2023年12月行PCI治疗的急性心肌梗死患者120例作为研究对象,用随机数字表法分为2组,每组60例。常规组术中给予替罗非班治疗,联合组术中给予rhPro-UK联合替罗非班治疗。比较2组的靶血管心肌梗死溶栓治疗心肌梗死溶栓试验(thrombolysis in myocardial infarction,TIMI)血流分级、血浆纤溶因子、外周血内皮细胞特异性分子1(Endocan)、miR-495、心功能、梗死相关动脉血流速度及主要不良心血管事件(majoradverse cardiac events,MACE)发生率。 结果 联合组术后24 h的靶血管TIMI血流分级优于常规组(P<0.05)。2组术前血浆纤溶因子、Endocan、miR-495表达水平比较,差异均无统计学意义(P>0.05);2组术后24 h的人组织纤溶酶原激活物(tissue-type plasminogen activator,tPA)、Endocan、miR-495表达水平均较术前升高,人纤溶酶原激活物抑制剂-1(plasminogen activator inhibitor-1,PAI-1)、血浆组织因子(tissue factor,TF)均较术前降低(P<0.05);联合组术后24 h的tPA、miR-495的表达水平均高于常规组,PAI-1、TF、Endocan均低于常规组(P<0.05)。2组术前心功能、梗死相关动脉血流速度比较,差异均无统计学意义(P>0.05);2组术后7 d的左室射血分数(left ventricular ejection fraction,LVEF)、心脏指数(cardiac index,CI)、舒张期最大血流速度(diastolic maximum blood flow velocity,DPV)、舒张期平均血流速度(diastolic mean blood flow velocity,DMV)均较术前升高,左室舒张末期内径(left ventricular end diastolic dimension,LVEDD)、左室收缩末期内径(left ventricular end-systolic dimension,LVESD)均较术前降低(P<0.05);联合组术后7 d的LVEF、CI均高于常规组,LVEDD、LVESD均低于常规组(P<0.05)。联合组的MACE发生率低于常规组(P<0.05)。 结论 rhPro-UK联合替罗非班治疗急性心肌梗死可调节机体纤溶因子,提高miR-495的表达水平,降低Endocan水平,改善心功能,减少MACE的发生。
Objective To observe the efficacy of recombinant human urokinase pro-gen (rhPro-UK) combined with tirofiban in acute myocardial infarction (AMI) after percutaneous coronary intervention (PCI). Methods A total of 120 patients with AMI who underwent PCI from January 2019 to December 2023 were selected and divided into 2 groups by using randomized numerical table method, 60 cases in each. The conventional group received tirofiban treatment during the operation, while the combined group received rhPro-UK combined with tirofiban treatment. Thrombolysis in myocardial infarction (TIMI) blood flow grading, plasma fibrinolytic factors, peripheral blood endothelial cell-specific molecule 1 (Endocan), miR-495, cardiac function, infarction-related arterial blood flow velocity, and major adverse cardiovascular events (MACE) were compared between the 2 groups. Results The 24-hour postoperative target vessel TIMI flow grading was significantly better in the combined group than in the conventional group (P<0.05). The preoperative levels of plasma fibrinolytic factors, endocan, and miR-495 did not show statistically significant difference between the 2 groups (P>0.05). Postoperatively at 24 hours, tissue-type plasminogen activator (tPA), Endocan, and miR-495 levels were higher than preoperative levels in both groups, while plasminogen activator inhibitor-1 (PAI-1) levels were higher than preoperative levels (P<0.05). In the combined group, tPA and miR-495 levels were significantly higher than in the conventional group, while PAI-1, tissue factor (TF), and endocan levels were significantly lower (P<0.05). Preoperative comparisons of cardiac function and infarct-related arterial blood flow velocity showed no significant difference between the 2 groups (P>0.05). At 24 hours postoperatively, left ventricular ejection fraction (LVEF), cardiac index (CI), diastolic peak velocity (DPV), and diastolic mean velocity (DMV) were significantly higher in the combined group than that in the conventional group (P<0.05). Left ventricular end-diastolic dimension (LVEDD) and left ventricular end-systolic dimension (LVESD) were significantly lower in the combined group (P<0.05). At 7 days postoperatively, LVEF and CI were significantly higher in the combined group compared to the conventional group, while LVEDD and LVESD were significantly lower (P<0.05). The incidence of MACE was significantly lower in the combined group compared to the conventional group (P<0.05). Conclusion The combination of rhPro-UK and tirofiban in the treatment of AMI can regulate fibrinolytic factors, increase miR-495 expression, reduce endocan levels, improve cardiac function, and decrease the occurrence of MACE.
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国家自然科学基金项目(81700447)
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