Effects of percutaneous transluminal coronary angioplasty on p wave dispersion

LIU Zengzhang; et al

doi:10.13406/j.cnki.cyxb.2004.03.039

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Effects of percutaneous transluminal coronary angioplasty on p wave dispersion

更新时间：2024-01-17

- Effects of percutaneous transluminal coronary angioplasty on p wave dispersion
- Journal of Chongqing Medical University Issue 3, Pages: 373-374(2004)
- 作者机构：
  
  1. 重庆医科大学第二临床学院心血管内科
  2. 重庆医科大学第二临床学院心血管内科,重庆,400010
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.2004.03.039
  CLC： R541.4
- Published：2004，
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[1]刘增长,殷跃辉,佘强,罗开良.冠状动脉成形术对p波离散度的影响[J].重庆医科大学学报,2004(03):373-374+385.

LIU Zengzhang, et al. Effects of percutaneous transluminal coronary angioplasty on p wave dispersion. [J]. Journal of Chongqing Medical University (3):373-374(2004)
[1]刘增长,殷跃辉,佘强,罗开良.冠状动脉成形术对p波离散度的影响[J].重庆医科大学学报,2004(03):373-374+385. DOI： 10.13406/j.cnki.cyxb.2004.03.039.

LIU Zengzhang, et al. Effects of percutaneous transluminal coronary angioplasty on p wave dispersion. [J]. Journal of Chongqing Medical University (3):373-374(2004) DOI： 10.13406/j.cnki.cyxb.2004.03.039.

摘要

目的 :观察在冠状动脉（简称冠脉）成形术过程中

球囊扩张引起的急性心肌缺血对p波离散度的影响。方法 :选择单支冠脉病变的患者 76例

分为在球囊扩张时有心肌缺血改变和无心肌缺血改变两组。心肌缺血组又分为左前降支（LAD）、左回旋支（LCX）和右冠脉（RCA）三个亚组。同步记录球囊扩张前和球囊扩张期间 12导联心电图

计算p波离散度。结果 :①球囊扩张前

各组 p波离散度无差异（ 37.5± 4 .97ms

36 .7± 5 .70ms

36 .9± 4 .5 9ms

36 .4± 4 .76ms

P >0 .0 5 ）

②球囊扩张期间

无心肌缺血组 p波离散度与球囊扩张前比较无显著性差异（ 37.5± 4 .97vs 37.9± 4 .6 1ms

P >0 .0 5 ） ;而心肌缺血组与球囊扩张前比较

p波离散度均明显增大（ 36 .7± 5 .70vs 4 6 .3± 4 .2 1ms

36 .9± 4 .5 9vs4 4 .7± 6 .4 7ms

36 .4± 4 .76vs 4 4 .8± 5 .88ms

P <0 .0 0 1）。结论 :p波离散度增大可作为严重急性心肌缺血的一个指标。

Abstract

Objective:To investigate the effects of balloon-induced acute ischaemia on p wave dispersion during percutaneous transluminal coronary angioplasty.Methods:76 patients with 1-vessel coronary artery disease were divided into myocardial ischaemia group and non-myocardial ischaemia group during intra-coronary balloon inflation.Myocardial ischaemia group was divided into the left anterior descending(LAD)

the left circumflex coronary artery(LCX) and the right coronary artery(RCA) groups.12-lead surface ECG before and during intra-coronary balloon inflation were recorded

p wave dispersion were calculated from 12-lead surface ECG.Results:① p wave dispersions were not significantly different among all groups before balloon inflation(37.5±4.97ms

36.7±5.70ms

36.9±4.59ms

36.4±4.76ms

P >0.05).②To be compared with the condition before balloon inflation

p wave dispersion during balloon inflation were significantly higher in the myocardial ischaemia groups(36.7±5.70 vs 46.3±4.21ms

36.9±4.59vs44.7±6.47ms

36.4±4.76vs44.8±5.88ms

P <0.001)

but not significantly different in the non-myocardial ischaemia group(37.5±4.97vs37.9±4.61ms

P >0.05).Conclusion:The prolongation of p wave dispersion may be a marker for severe acute myocardial ischaemia.

关键词

P波离散度心肌缺血冠脉成形术冠心病

Keywords

P wave dispersionMyocardial ischaemiaCoronary angioplastycoronary heart disease

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Related Institution

Department of General Medicine，The Second Affiliated Hospital of Chongqing Medical University

Department of Ultrasound，Yichang Central People's Hospital，The First College of Clinical Medical Science，China Three Gorges University

Department of Clinical Research Center,The First Affiliated Hospital of Chongqing Medical University

重庆医科大学临床学院心内科

Department of Cardiology,College of Clinical Medicine,Chongqing Medical University

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