健康成年人心率变异性分析285例

目的:为了解健康成年人心率变异性在人群中的变化规律.方法:采用Holter检测系统对285名健康成年人进行24 h动态心电图监测,然后分析时域法指标和频域法指标随年龄和性别不同的变化规律.结果:高年龄组的时域法指标和频域法指标显著低于低年龄组(P《0.05).各年龄组中女性的时域法指标均显著低于男性(P《0.05),而频域法指标在50岁以下各组女性显著低于男性(P《0.05),在50岁以上各组女性与男性没有显著性差别(P》0.05).结论:随着年龄的增长,心率变异性有下降的趋势,在青壮年男性的心率变异性高于女性.

Analysis to heart rate variability of 285 heathy adults

Objective:To explore heart rate variability(HRV) of healthy adults.Methods:The HRV of 285 healthy adults were detected by Holter electrocardiography and effect of age and gender on HRV were analysed.Results:The time and frequency index in high ages were lower than the ones in low ages(P<0.05). The female time index was lower than the male's(P<0.05). The female frequency index was lower than the male's in people whose ages were lower than 50(P<0.05), but no significant differences were found in people whose ages were hinger than 50(P< 0.05). Conclusion:When age increases, HRV descends. The male's HRV was higher than the female's.