中国人群额面QRS电轴的正常范围  

Normal limits of the front QRS axis in a Chinese population.

作　　者：吴杰[1] 徐春芳[1] 陆再英 Jan A. Kors Peter R. Rijnbeek 

机构地区：[1]武汉华中科技大学同济医学院附属同济医院心内科,430030 [2]荷兰Erasmus大学医学信息研究所

出　　处：《临床心电学杂志》2006年第1期19-21,共3页Journal of Clinical Electrocardiology

摘　　要：目的调查和评估国人额面QRS电轴的正常范围及年龄和性别差异。方法采集5360例(男3614例、女1746例,年龄范围18～84岁)正常健康人12导联心电图并分为5个年龄组,计算和分析各年龄组额面QRS电轴的中位数和96%范围的正常上、下限。结果随年龄增长,男、女额面QRS中位数电轴一致性地逐渐向左(上)偏移大约30°(从72°偏移到42°),呈现明显的年龄趋势(P<0.001)。男、女额面QRS电轴的性别差异无显著性。男性额面QRS电轴的正常上、下限范围为-37°～+94°,女性的正常上、下限范围为-27°～+91°。结论本研究提示国人采用-30°～+90°作为额面QRS电轴的正常标准是合理的。Objectlve To investigate and evaluate the normal limits of the front QRS axis in a Chinese population. Methods Standard 12-lead ECGs from 5360 apparently healthy Chinese subjects （3614 men and 1746 women, ages ranging from 18 to 84 years）were collected with a modem digital recorder and processed with a well-validated ECG computer program. The median, lower limits （2nd percentile）and upper limits （98th percentile）of the frout. QRS axis were calculated and age and sex differences examined. Results Median QRS axis gradually shifted to the left by about 30°（from ＋72° to ＋ 42°）over the total age rang both in men and women, which showed a significant age trend （P〈0.001）. No significant sex difference was found in the front QRS axis. The normal upper limits of the front QRS axis was-37°-＋94° for men and-27°-＋91° for women. Conclusion It is reasonable that normal limits of the front QRS axis is defined as -30°-＋90° for Chinese.

关 键 词：QRS电轴 正常范围 年龄趋势 性别差异 人额面 

分 类 号：R444[医药卫生—诊断学]