摘要
对２０例气管切开行气管内吸氧的病人，采用不同吸氧导管置不同深度供氧，观察其血气变化。结果显示：粗吸氧管深置（６ｃｍ）较浅置（２ｃｍ）ＰａＯ２显著提高（Ｐ＜０．０１）；细吸氧管深置（６ｃｍ）较浅置（２ｃｍ）ＰａＯ２也有较大的提高（Ｐ＜０．０５）；而同等深度不同吸氧导管吸氧时ＰａＯ２变化不大。建议：对气管切开患者行气管内吸氧时。
The diameter and depth-different oxygen-inhaling tubes were used to observe the change of blood gas in 20 patients with tracheotomy.The results noted that PaO 2 increased more significantly in deep (6 cm)insertion of thick tube than in shallow(2 cm)insertion (P<0.01),and the manifestation for the thin tube was similar to the thick one (P<0.05),suggesting that the tube should be deep insertion for these patients.
