是时候停止使用基准赤字来评估胎儿福祉了吗?
Thierry Daboval1, Paul Ouellet2, Claude Racinet3
1University of Ottawa, Ottawa, Ontario, Canada; Division of Neonatology, Department of Paediatrics, Children's Hospital of Eastern Ontario. The Ottawa Hospital, General Campus 501 Smyth Road, Ottawa, Ontario, Canada.
American journal of obstetrics and gynecology
|March 3, 2024
概括
在带血液中测量基缺陷在评估胎儿健康和预测新生儿后果方面存在局限性. 提出一种新的标志物,新生儿欧卡尼克 pH 校正,作为评估代谢性酸化的更准确的替代方案.
科学领域:
- 产科和妇科 产科和妇科
- 新生儿科学 新生儿科学
- 围产儿医学 围产儿医学
背景情况:
- 在带血液中测量基缺陷是广泛使用但有限的标记物,用于评估胎儿健康和预测新生儿神经病态发病率.
- 目前的基础缺陷算法依赖于成人酸生理学,忽视胎儿独特的特征,如子宫中的酸状态和对缺氧的反应.
研究的目的:
- 突出基础缺陷标记在准确评估胎儿健康和新生儿代谢酸性酸性疾病方面的显著局限性.
- 提出一种替代标记物,即新生儿皮 pH 校正,以更好地评估胎儿的酸状态.
主要方法:
- 对现有的基数缺陷算法及其依赖成人生理参数的批判性分析.
- 鉴定缺氧期间胎儿独特的生理特征及其对酸平衡的影响.
- 关于新生儿eucapnic pH 校正标记的解释建议和描述.
主要成果:
- 基数赤字计算可能会高估新生儿代谢酸性症,因为忽视胎儿特有的酸状态和高部分CO2压力的影响.
- 胎儿对胎盘循环的依赖导致胎儿的二氧化碳排放导致与成年人相比,对缺氧的反应不同.
- 现有的算法无法考虑胎儿的缓冲容量,进一步损害了准确性.
结论:
- 基数缺陷标记有显著的局限性,可能会误导临床医生在评估胎儿福祉时.
- 新生儿eucapnic pH 校正被提议作为新生儿代谢酸的更准确和更具体的标志物.
- 在带血液气体分析中实施新生儿eucapnic pH 校正可以改善在分娩和分娩期间对胎儿福祉的评估.
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