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目的:研究观察不同胎龄胎儿心电图T波振幅与胎龄增长之间的相关性。方法:采用回顾性分析法,选取不同胎龄新生儿共130例,分为28~30周组,31~33周组、34~36周组和>36周组。测量TV1和TV5振幅。结果:各组新生儿TV1和TV5振幅随着胎龄增长而增长,各组之间比较差异有统计学意义。其中4组之间比较,胎龄越长,其TV1和TV5振幅越高,P<0.01;每两组之间比较,胎龄越长,其TV1和TV5振幅越高,P<0.01。结论:不同胎龄新生儿的TV1和TV5振幅随着胎龄增长而增长,新生儿心电图的T波测量对于评价不同胎龄新生儿的左室及右室功能具有重要意义。
Objective: To study the correlation between the T-wave amplitude of electrocardiogram and gestational age in different gestational age fetuses. Methods: A retrospective analysis of selected gestational age newborns in 130 cases, divided into 28 to 30 weeks group, 31 to 33 weeks group, 34 to 36 weeks group and> 36 weeks group. Measure the TV1 and TV5 amplitudes. Results: The amplitude of TV1 and TV5 of neonates in each group increased with the increase of gestational age, and the differences among the groups were statistically significant. Among the four groups, the longer the gestational age, the higher the TV1 and TV5 amplitudes (P <0.01). The longer the gestational age, the higher the TV1 and TV5 amplitudes (P <0.01). Conclusion: The TV1 and TV5 amplitudes of neonates with different gestational age increase with the increase of gestational age. The measurement of T wave in newborn electrocardiogram is of great significance for the evaluation of left ventricular and right ventricular function in neonates of different gestational age.