在稳定的早产婴儿生命的第一个星期,区域组织氧和值的变化
Sadaf H Kazmi1,2, Sourabh Verma1,2, Sean M Bailey1,2
1Department of Pediatrics, Hassenfeld Children's Hospital of New York University Langone Health Center, New York, NY, USA.
Journal of perinatal medicine
|March 4, 2024
概括
近红外光谱 (NIRS) 监测了早产婴儿的区域组织氧和度 (rSO2). 脑部监测显示出与妊娠年龄的最强相关性和最低的可变性,表明其在检测缺氧时的临床实用性.
科学领域:
- 新生儿生理学 新生儿生理学
- 医学技术 医学技术 医学技术
- 临床监测 临床监测
背景情况:
- 近红外光谱 (NIRS) 提供了区域组织氧和 (rSO2) 的非侵入性监测.
- 了解早产婴儿的氧化动态对于临床管理至关重要.
- 过早出生的婴儿在氧气恒温中面临着独特的生理挑战.
研究的目的:
- 在稳定的早产婴儿中研究大脑,和的rSO2和分数组织氧取 (FTOE) 的变化.
- 评估妊娠年龄和氧化参数之间的相关性.
- 为了评估氧化度测量中的区域内个体变异性.
主要方法:
- 一项涉及早产婴儿 (30-34周怀孕) 的前性观察研究.
- NIRS被用来监测大脑,脏和腹的rSO2从12到72小时,并在生命的第七天.
- 计算包括五个时间间隔的平均rSO2,splanchnic大脑氧气比率 (SCOR),FTOE和个体内变化.
主要成果:
- 纳入20名婴儿,rSO2值在不同地区有所不同 (大脑:76.8-92.8%,脏:65.1-91.1%,椎:36.1-76.3%).
- 妊娠年龄队列之间的最强相关性是在大脑区域观察到的 (R2=0.94).
- 断片组织氧提取 (FTOE) 在所有区域随着时间的推移而增加,在大脑区域 (1.3%) 中人体内变异性最低.
结论:
- 大脑区域与妊娠年龄的相关性最高,人体内变异性最低.
- 大脑rSO2监测最适合在早产婴儿的临床应用,以检测组织缺氧.
- 需要进一步的研究,以全面评估早产人群中的rSO2动态.
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