| Objective:To investigate the correlation between left atrial diameter index(Lad I)and major adverse cardiac events after acute ST segment elevation myocardial infarction(STEMI).Methods:1.A total of 1892 patients were consecutively enrolled who visited our hospital from January 2017 to August 2018 and were diagnosed with acute ST elevation myocardial infarction and underwent emergency PCI.All patients were strictly included and excluded,and a total of 527 patients with complete clinical data were screened.Among them,73 patients were lost to follow-up at the 2-year follow-up,and finally 454 patients were included as subjects in this study.2.Patient age,gender,height,weight,onset to admission time,location of myocardial infarction(anterior,inferior,lateral,right ventricular infarction),heart rate at admission,blood pressure,Killip class,post admission laboratory tests,coronary angiography target vasculopathy,in-hospital medication(aspirin,clopidogrel /ticagrelor,statin,ACEI / ARB,beta blocker,diuretic),Echocardiographic parameters within 72 hours of admission(divided according to Ladi: group A(normal Ladi ≤ 2.3cm/ m2),group B(Ladi > 2.3cm / m2)and a 2-year follow-up of the study subjects regarding the occurrence of adverse cardiovascular events.3.This clinical study through Excel for the collection and collation of relevant data,SPSS 23.0 statistical software was used for statistical analysis.In this study,the measurement data involving normal distribution were expressed as X ± s,and the t-test was used for comparison between groups A and B;the measurement data involving non normal distribution were expressed as median and interquartile range m(P25,p75),and the rank sum test was used for comparison between groups A and B;the measurement data were expressed as percentages,and the x2 test was used for comparison between two groups;for STEMI undergoing emergency PCIPatients’ risk factors for the occurrence of adverse cardiovascular events,logistic regression analysis was applied to screen the high-risk factors for the occurrence of maces in this study.P < 0.05)were considered significant.Results:1.During the 2-year follow-up period,the incidence of at least one adverse cardiovascular event was significantly different between groups A and B(P < 0.001).2.There was a positive correlation between Ladi and grace score(r = 0.324,P <0.005).3.After multivariate regression analysis of risk factors for maces,Ladi was an independent risk factor for incident maces(P = 0.006,or = 2.164,95% confidence interval of the odds ratio(CI),1.253-3.740).Conclusion:LAd I is an independent risk factor for adverse cardiovascular events in STEMI patients. |
