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目的:根据样本内女性的常规心电图表现,探讨短PR间期在妊娠期女性的发生率,并对其产生的机制及临床意义进行分析。方法:选取1380例接受常规心电图检查的女性分为两组,妊娠组720例,非妊娠组660例。分析两组短PR间期的发生率。结果:妊娠期女性心电图短PR间期者140例(19.4%,140/720),非妊娠组女性心电图短PR间期者10例(1.51%,10/660)。两者比较,差异有统计学意义(P<0.05);在中、晚孕与早孕期中,短PR间期发生率差异明显,有统计学意义(P<0.05)。结论:妊娠期短PR间期的发生率明显增高,孕周越大,发生短PR间期机率越高。(与孕期的周数大致呈正相关)
OBJECTIVE: To investigate the prevalence of short-term PR in women during pregnancy and to analyze its mechanism and clinical significance according to the conventional ECG findings of women in the sample. Methods: A total of 1380 women who underwent routine ECG were divided into two groups: 720 in pregnancy group and 660 in non-pregnancy group. The incidence of short-term PR interval was analyzed. Results: 140 cases (19.4%, 140/720) of the pregnant women had short PR interval and 10 cases (1.51%, 10/660) of non-pregnancy women with short PR interval. The difference between the two groups was statistically significant (P <0.05). There was a significant difference in the short-term PR between middle and late pregnancy and early pregnancy (P <0.05). Conclusion: The incidence of short PR interval during pregnancy is significantly higher. The larger the gestational age, the higher the probability of short PR interval. (Roughly positively correlated with the number of weeks of pregnancy)