超声与基于年龄的公式用于预测全身麻醉的儿科患者内管大小:一项随机比较研究
Syama Sundar Ayya1, Anish Waghray2, Aniruth Chand Anna C1
1Anesthesiology, All India Institute of Medical Sciences, Bibinagar, Bibinagar, IND.
Cureus
|March 2, 2026
概括
儿科下气道的超声波测量对于选择内管 (ETT) 大小比基于年龄的配方更准确. 这种针对患者的方法减少了使用过大管的风险,改善了儿童的呼吸道管理.
科学领域:
- 儿科麻醉学 儿科麻醉学
- 医疗成像医学成像
- 航空航道管理的管理.
背景情况:
- 在儿科患者中,精确的内管 (ETT) 选择对于有效的通风和尽量减少呼吸道并发症至关重要.
- 目前基于年龄的公式往往由于个体解剖学变异而缺乏精度.
- 超声波提供了一种特定于患者的方法来评估下气道以指导ETT大小测定.
研究的目的:
- 为了比较超声导向ETT尺寸估计与标准基于年龄的公式的准确性.
- 使用这两种方法来评估预测和临床最佳ETT大小之间的一致性.
- 评估每种方法对超大尺寸ETT选择的发生率和管道交换的需要的影响.
主要方法:
- 一项前性随机比较研究,涉及137名接受选择性手术的儿童 (6个月至12岁).
- 患者被随机分配到超声组 (测量下直径,ETT大小=直径-0.5毫米) 或配方组 (年龄/4+3.5).
- 通过泄漏压力技术确定的临床最佳ETT尺寸作为参考标准.
主要成果:
- 超声指导显著降低了超大尺寸ETT选择的发生率 (11.9%对28.6%,P=0.045).
- 布兰德-阿尔特曼分析显示了超声波的优异一致性,具有较小的平均偏差 (-0.0448毫米对比-0.129毫米) 和较低的百分比误差 (11.5%对比13.4%).
- 虽然在超声波组中ETT交换减少,但这并没有达到统计学意义. 没有报告呼吸道并发症.
结论:
- 与以年龄为基础的公式相比,通过超声波导向测量横向小结节直径是儿童ETT尺寸选择的优越方法.
- 这种针对患者的解剖学评估提高了预测的准确性,并最大限度地降低了选择超大尺寸内管的风险.
- 超声波提供了一种有价值的,非侵入性的工具,用于优化儿童麻醉中的呼吸道管理.
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