Supplemental Oxygen in the Newborn: Historical Perspective and Current Trends.

Supplemental Oxygen in the Newborn: Historical Perspective and Current Trends.
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DOI:
10.3390/antiox10121879
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发表时间:
2021-11-25
期刊:
Antioxidants (Basel, Switzerland)
影响因子:
--
通讯作者:
Saugstad O
Saugstad O
中科院分区:
其他
文献类型:
--
作者:
Mathias M;Chang J;Perez M;Saugstad O

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氧是有氧呼吸中的最终电子受体,缺氧可导致生物能量衰竭和细胞死亡。因此,施用补充浓度的氧气以克服组织氧气输送的障碍(例如,心力衰竭、肺病、局部缺血),可以挽救细胞氧含量低的垂死细胞。然而,氧输送和氧消耗的平衡依赖于严格控制的氧梯度和区室化的氧化还原电位。虽然治疗性氧气输送可以挽救生命,但它会破坏生长和发育,损害生物能量功能,并诱发炎症。新生儿,特别是早产儿,具有对氧化应激引起的高氧损伤特别敏感的特征。在这篇综述中,我们将描述新生儿氧化还原生理学和抗氧化防御的独特功能,在这一人群中使用治疗性氧的历史及其在疾病中的作用,以及使用治疗性氧和减轻新生儿氧化损伤的临床趋势。
Oxygen is the final electron acceptor in aerobic respiration, and a lack of oxygen can result in bioenergetic failure and cell death. Thus, administration of supplemental concentrations of oxygen to overcome barriers to tissue oxygen delivery (e.g., heart failure, lung disease, ischemia), can rescue dying cells where cellular oxygen content is low. However, the balance of oxygen delivery and oxygen consumption relies on tightly controlled oxygen gradients and compartmentalized redox potential. While therapeutic oxygen delivery can be life-saving, it can disrupt growth and development, impair bioenergetic function, and induce inflammation. Newborns, and premature newborns especially, have features that confer particular susceptibility to hyperoxic injury due to oxidative stress. In this review, we will describe the unique features of newborn redox physiology and antioxidant defenses, the history of therapeutic oxygen use in this population and its role in disease, and clinical trends in the use of therapeutic oxygen and mitigation of neonatal oxidative injury.
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