ST段抬高型急性心肌梗死患者猝死预警指标Tp-e/QT比值的应用价值  

Application value of Tp-e/QT ratio as warning index for sudden death of acute ST-segment elevation myocardial infarction patients

作　　者：吴珍峰[1] 

机构地区：[1]常州市第二人民医院心电图室,213000

出　　处：《中国实用医药》2015年第22期27-28,共2页China Practical Medicine

摘　　要：目的探讨ST段抬高型急性心肌梗死(心梗)患者猝死预警指标Tp-e/QT比值的临床价值。方法诊断为ST段抬高型急性心肌梗死的患者50例为研究组;对照组为同期50例来院进行健康体检的受试者。对比两组QTd、Tp-e及Tp-e/QT比值。结果研究组和对照组QTd、Tp-e及Tp-e/QT对比差异有统计学意义(P<0.05)。研究组中恶性心律失常者与非恶性心律失常者QTd、Tp-e分别为(58.5±3.9)、(158.7±32.6)ms和(58.8±4.2)、(162.3±33.4)ms,对比差异无统计学意义(P>0.05);研究组中恶性心律失常者与非恶性心律失常者Tp-e/QT分别为(0.32±0.06)、(0.29±0.05),差异有统计学意义(P<0.05)。结论本次研究认为ST段抬高型急性心肌梗死患者Tp-e/QT比值明显增大,其是心脏猝死的较好预警指标。Objective To investigate clinical value of Tp-e/QT ratio as warning index for sudden death of acute ST-segment elevation myocardial infarction patients. Methods Research group contained 50 diagnosed patients with acute ST-segment elevation myocardial infarction, and control group contained 50 healthy people. QTd, Tp-e and Tp-e/QT ratio were compared between the two groups. Results There were statistically significant differences of QTd, Tp-e and Tp-e/QT ratio between the research group and the control group（P〈0.05）. QTd and TP-e of malignant arrhythmia and non-malignant arrhythmia patients in the research group were respectively（58.5±3.9）,（158.7±32.6）ms and（58.8±4.2）,（162.3±33.4）ms. Their difference had no statistical significance（P〉0.05）. Their Tp-e/QT were（0.32±0.06） and（0.29±0.05）, and the difference had statistical significance（P〈0.05）. Conclusion This study shows obviously increased Tp-e/QT ratio in acute ST-segment elevation myocardial infarction patients, and this ratio is a good warning index for cardiac sudden death.

关 键 词：ST段抬高 急性心肌梗死 猝死 

分 类 号：R542.22[医药卫生—心血管疾病]