在麻醉的健康儿童中,Capnodynamic终端呼气肺体积评估
Johanna Lundquist1, Niki Shams1, Mats Wallin2
1Pediatric perioperative medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden.
Paediatric anaesthesia
|December 6, 2023
概括
在麻醉期间,Capnodynamic监测提供了可靠的终呼吸肺部二氧化碳体积测量. 这些值与其他方法保持一致,并可预测地对通风变化做出反应,有助于术后护理.
科学领域:
- 儿科麻醉学 儿科麻醉学
- 呼吸系统生理学 呼吸系统生理学
- 关键护理医学 关键护理医学
背景情况:
- 卡普诺动力监测提供了宝贵的洞察力,在儿科外科透气期间肺功能.
- 最终呼气肺体积 (EELV) 是评估通风的关键参数.
- 卷度图提供连续的,非侵入性的EELV数据.
研究的目的:
- 在接受麻醉的健康儿童中确定正常的终端呼气肺部二氧化碳体积值.
- 将这些值与使用替代EELV测量方法获得的值进行比较.
- 评估EELV CO2对正极呼气压 (PEEP) 变化的反应能力.
主要方法:
- 研究了15名健康的儿科患者 (平均年龄为8个月),接受全身麻醉.
- 在基线PEEP (3cmH2O),在增加PEEP (10cmH2O) 期间,以及恢复到基线后,记录了EELV CO2和其他体积图变量.
- 测量是在基线时进行的,PEEP变化后1-3分钟,回到基线PEEP后3分钟.
主要成果:
- 基线EELV CO2为32毫升/公斤,在PEEP下显著增加到1分钟后39毫升/公斤和3分钟后37毫升/公斤 (p < 0.0001).
- 在减少PEEP后,EELV CO2恢复到基线水平 (33毫升/公斤).
- 通过PEEP,气道死空间也增加了,而其他图变量显示的变化很小.
结论:
- 在麻醉期间对儿童进行的Capnodynamic EELV CO2测量与替代方法可比.
- EELV CO2 显示了对 PEEP 诱导的肺体积变化的及时和生理预期反应.
- 这表明,卡动态监测是跟踪儿科麻醉期间EELV变化的可行工具.
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