右胸及后壁導聯(lián)心電圖變化與急性下壁心肌梗死相關動脈關系的臨床研究

摘要： 目的探討右胸及后壁導聯(lián)心電圖變化與急性下壁心肌梗死相關動脈之間的關系。方法選擇急性下壁心肌梗死患者146例,并依據(jù)右胸及后壁導聯(lián)ST段抬高幅度和持續(xù)時間分為4組,所有患者均在發(fā)病7～10d內(nèi)完成冠狀動脈造影,比較各組患者不同罪犯血管例數(shù)。結(jié)果右胸及后壁導聯(lián)ST段抬高持續(xù)時間<72h與持續(xù)時間≥72h患者造影結(jié)果對比、ST段抬高幅度<0.1mV與≥0.1mV患者造影結(jié)果對比,右冠狀動脈為罪犯血管發(fā)生率差異有統(tǒng)計學意義(P<0.05),左回旋支及左前降支為罪犯血管發(fā)生率差異無統(tǒng)計學意義(P>0.05)。結(jié)論下壁心肌梗死患者若右胸及后壁導聯(lián)ST段抬高幅度較大,且持續(xù)時間較長,則右冠狀動脈為罪犯血管可能性大。
Objective To research the relationship between the changing of the right chest and posterior wall leads and the artery caused acute inferior myocardial infarction.Methods A total of 146 patients were recruited and divided into 4 groups by the amplitude of ST elevation and the time of duration.Coronary arteriography were performed for all of the patients in 7 to 10 days.The data of abnormal artery were collected and analyzed.Results The results of angiography with ST elevation of right chest and posterior wall leads last longer or not longer than 72h,and the results of angiography with ST elevation of right chest and posterior wall leads less or more than 0.1mV implied that,there was statistically significant difference in the incidence of abnormal right coronary artery(P <0.05),but there was no statistically significant difference when left anterior descending and left circumflex were effected (P>0.05).Conclusion For those patients whose ST elevation on right chest and posterior wall leads have a larger amplitude or long lasting time,the right coronary is more likely to be abnormal.