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目的 了解自然分娩健康足月新生儿出生后24h血压的昼夜节律变化规律。 方法 选择2∶00、6∶00、10∶00、14∶00、18∶00、22∶00(即每4h1次 )为测量时间点 ,对106名自然分娩健康足月新生儿生后24h内的血压进行测量。 结果 正常新生儿生后24h内血压表现为2∶00最低 ,6∶00、10∶00升至最高 ,在14∶00有一谷值 ,在18∶00又有一小高峰 ,至22∶00下降。其中收缩压最低点与最高点相差0.9kPa(6.8mmHg) ,舒张压最低点和最高点相差0.7kPa(5.2mmHg)。男女新生儿各个时间点血压值比较差异无显著性意义 (均P>0.05)。结论 自然分娩健康足月新生儿在出生后24h即有显著的血压昼夜节律变化。男女性相似
Objective To study the circadian rhythm of blood pressure at 24 hours after birth in healthy full-term newborns. Methods 2:00, 6:00, 10:00, 14:00, 18:00, 22:00 (that is, every 4h1 times) as the measurement time point, and 106 healthy birth-born full-term newborns within 24 hours after birth Blood pressure was measured. Results The blood pressure of normal newborns within 24 hours after birth was the lowest at 2:00, the highest at 6:00 and 10:00, the bottom at 14:00 and the second at 18:00, and then decreased at 22:00. The systolic blood pressure lowest point and the highest point difference 0.9kPa (6.8mmHg), diastolic blood pressure lowest point and the highest point difference of 0.7kPa (5.2mmHg). There was no significant difference in blood pressure between male and female neonates at all time points (all P> 0.05). Conclusions The healthy full-term newborns with spontaneous labor have significant circadian rhythm of blood pressure at 24h after birth. Similarity between men and women