将呼吸变量与5-10公斤狗的圆形,巴恩和T片呼吸系统进行比较:一个随机交叉试验
Andrew G Murray1, Kerry Woodhouse1, Pamela J Murison1
1University of Glasgow Small Animal Hospital, 464 Bearsden Road, Glasgow, G61 1QH, UK.
Veterinary anaesthesia and analgesia
|July 22, 2025
概括
这项研究发现,虽然圆圈和贝恩呼吸系统与狗的T片相比,最终过期的二氧化碳和潮体积有一些差异,但临床影响是最小的,这表明这两种系统都适合于犬类麻醉.
科学领域:
- 兽医麻醉 兽医麻醉 兽医麻醉
- 呼吸系统生理学 呼吸系统生理学
- 比较生理学比较生理学
背景情况:
- 麻醉呼吸系统对于保持适当的通风至关重要.
- 贝恩和圆圈系统是常用的,但它们与T片系统的比较有效性需要评估.
- 了解呼吸系统参数是安全麻醉实践的关键.
研究的目的:
- 为了比较呼吸速率 (fR),最终过期的二氧化碳 (Pe'CO2),潮体积 (Vt) 和分钟体积 (V ̇E),使用Bain或圆形呼吸系统与T片控制.
- 评估Bain和Circle系统对于犬类麻醉的适用性.
主要方法:
- 一个随机的,非盲目的,交叉临床试验,涉及30只客户拥有的狗 (5-10公斤) 接受选择性手术.
- 狗被随机分配到循环或贝恩呼吸系统中,随机递送顺序 (测试或控制首先).
- 在10分钟的稳定期后,测量了通风参数 (fR,Pe'CO2,Vt,V ̇E),并使用统计测试进行了比较.
主要成果:
- 与T片相比,圆形系统显示出明显更高的Pe'CO2,Vt和V ̇E.
- 贝恩系统的Pe'CO2显著低于T片,Vt高于T片,V·E没有显著差异.
- 所有呼吸系统的呼吸速率 (fR) 都相似.
结论:
- 尽管一些参数的统计差异,这些发现的临床意义在贝恩,圆形和T片系统之间似乎很小.
- 圆圈和贝恩呼吸系统都被认为适合在健康的5-10公斤的狗中使用.
- 整体通风功能在两个测试的呼吸系统中都是充足的.
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