仰卧位和俯卧位对机械通气早产儿氧合的影响。
The effects of supine and prone positions on oxygenation in premature infants undergoing mechanical ventilation.
作者信息
Abdeyazdan Zahra, Nematollahi Monirosadat, Ghazavi Zohreh, Mohhamadizadeh Majid
机构信息
Associated Professor, Nursing and Midwifery Care Research Center, Faculty of Nursing and Midwifery, Isfahan University of Medical Sciences, Isfahan, Iran.
出版信息
Iran J Nurs Midwifery Res. 2010 Fall;15(4):229-33.
BACKGROUND
Since the use of high concentrations of oxygen in infants may lead to chronic lung problems, using proper methods of care in infants under mechanical ventilation is one of the most important measures in NICU. This study aimed to investigate the effects of prone and supine positions on oxygenation (SPO(2)) in premature infants under mechanical ventilation and comparing infants' oxygenation in the two positions.
METHODS
In across over non randomized clinical trial study, 32 preterm infants under mechanical ventilation who had inclusion criteria were enrolled in simple convenient method. Firstly, they were placed in supine position for 120 minutes and further in prone position for 120 minutes .Their SPO(2) were monitored by pulse oximeter continuously and was recorded every minute. Data analysis was done using Software SPSS(15) by ANOVA test and post hoc test.
RESULTS
The data showed that during 120 minutes of exposure of infants in each position there were no significant changes in SPO(2). In addition, the SPO(2) levels in the prone position were significantly higher than the SPO(2) levels in the supine position from 15(th) minute to 120(th) minute (to the end).
CONCLUSIONS
Neonatal positioning in prone position is a simple, non-invasive, and free of charge method that could lead to improve oxygenation in infants undergoing mechanical ventilation.
背景
由于在婴儿中使用高浓度氧气可能会导致慢性肺部问题，因此在新生儿重症监护病房（NICU）中，对接受机械通气的婴儿采用适当的护理方法是最重要的措施之一。本研究旨在调查俯卧位和仰卧位对接受机械通气的早产儿氧合作用（血氧饱和度（SPO₂））的影响，并比较这两种体位下婴儿的氧合情况。
方法
在一项非随机的交叉临床试验研究中，采用简单方便的方法纳入了32名符合纳入标准且接受机械通气的早产儿。首先，将他们置于仰卧位120分钟，然后再置于俯卧位120分钟。通过脉搏血氧仪持续监测他们的SPO₂，并每分钟记录一次。使用SPSS（15）软件通过方差分析（ANOVA）检验和事后检验进行数据分析。
结果
数据显示，在婴儿处于每个体位的120分钟内，SPO₂没有显著变化。此外，从第15分钟到第120分钟（直至结束），俯卧位的SPO₂水平显著高于仰卧位的SPO₂水平。
结论
新生儿俯卧位放置是一种简单、无创且免费的方法，可改善接受机械通气婴儿的氧合情况。
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