катехоламин对早产婴儿血流的影响:PICC-MBF试验的次分析
Akio Ishiguro1, Kazuhiko Kabe1
1Division of Neonatal Medicine, Center for Maternal, Fetal and Neonatal Medicine, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan.
Neonatology
|September 3, 2023
概括
皮肤血流可以表明在非常低出生体重 (VLBW) 婴儿的全身血流. 这项研究还发现多巴胺和多布胺如何影响这些婴儿的血液循环的差异.
科学领域:
- 新生儿生理学 新生儿生理学
- 心血管研究的心血管研究.
- 儿科重症监护 儿科重症监护
背景情况:
- 评估非常低出生体重 (VLBW) 婴儿的全身血流对于临床管理至关重要.
- 对于监测VLBW婴儿血液循环的非侵入性方法是非常可取的.
- 多巴胺和多布他胺是常用的内类药物,具有明显的血液动力学效应.
研究的目的:
- 评估VLBW婴儿皮肤血流和全身血流之间的相关性.
- 为了确定皮肤血流是否可以作为系统循环的替代标记.
- 为了区分多巴胺和多布胺在VLBW婴儿的循环效应.
主要方法:
- 涉及234名VLBW婴儿的PICC-MBF随机对照试验的细分分析.
- 皮肤血液流量 (通过激光多普勒测量) 和心声学参数 (腔流量) 之间的相关性分析.
- 接收器操作者特征分析,以确定检测改变系统流量的值;在注射异能药物之前和之后评估血液动力学变化.
主要成果:
- 皮肤血液流量与上静脉流量有显著的相关性 (r = 0.31,p < 0.001).
- 皮肤血液流量<17毫升/分钟,精确识别上静脉腔流量<41毫升/分钟 (AUC = 0.83,p <0.001).
- 多布他胺增加了皮肤的血液流动而没有改变血压,而多巴胺增加了皮肤的血液流动和血压.
结论:
- 皮肤血流是VLBW婴儿系统血流的可靠替代标志物.
- 多巴胺和多布他胺对VLBW婴儿的血液循环产生不同的影响.
- 这些发现支持在新生儿重症监护机构使用皮肤血流监测.
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