睡眠中的早产婴儿排尿时会伴有觉醒吗？
Is bladder voiding in sleeping preterm infants accompanied by arousals?
作者信息
Zotter Heinz, Grossauer Karin, Reiterer Friedrich, Pichler Gerhard, Mueller Wilhelm, Urlesberger Berndt
机构信息
Division of Neonatology, Department of Pediatrics, Medical University of Graz, Auenbruggerplatz 30, A-8036 Graz, Austria.
出版信息
Sleep Med. 2008 Jan;9(2):137-41. doi: 10.1016/j.sleep.2007.03.017. Epub 2007 May 22.
BACKGROUND
As it has been reported that bladder voiding in sleeping full-term infants is consistently accompanied by a cortical arousal, it was the aim of the present study to find out whether this could also hold true for preterm infants.
METHODS
Polygraphic recordings were performed in 21 healthy preterm infants (10 female). The infants' gestational age at birth was 31+/-2.7 weeks and postnatal age at study entry was 26+/-8 days (mean+/-standard deviation). Bladder voiding was recorded by an adapted enuresis detector which was connected to the polygraphic computer unit. Arousals were defined as suggested by the International Paediatric Work Group on Arousals.
RESULTS
Bladder voiding was recorded 50+/-7 min after sleep onset and occurred during quiet sleep (QS) only. Heart rate (HR), respiratory frequency (RF) and electroencephalographic (EEG) frequency did not change during bladder voiding. Body movements were recorded in 52% of all preterm infants.
CONCLUSION
We found that bladder voiding was not accompanied by arousals, suggesting that the arousal process in preterm infants may be delayed due to immaturity.
背景
据报道，足月睡眠婴儿排尿时始终伴有皮层觉醒，本研究旨在确定这是否也适用于早产儿。
方法
对21名健康早产儿（10名女性）进行多导记录。婴儿出生时的胎龄为31±2.7周，研究开始时的出生后年龄为26±8天（平均值±标准差）。排尿通过连接到多导计算机单元的改良遗尿探测器进行记录。觉醒的定义由国际儿科觉醒工作组提出。
结果
睡眠开始后50±7分钟记录到排尿，且仅发生在安静睡眠（QS）期间。排尿期间心率（HR）、呼吸频率（RF）和脑电图（EEG）频率未发生变化。52%的早产儿记录到身体运动。
结论
我们发现排尿不伴有觉醒，这表明早产儿的觉醒过程可能因不成熟而延迟。
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