乳牛的心率和心率变化,有或没有局部麻醉
Zs Bohák1, H Kiszlinger Nagyné1, F Hoffmann1
1Department of Animal Husbandry and Animal Welfare, Institute of Animal Sciences, Hungarian University of Agriculture and Life Sciences, Gödöllő, H-2100 Hungary.
JDS communications
|March 6, 2026
概括
在乳牛中使用利多卡因的低剂量外周麻醉并没有显著改变心率变化,这表明对心脏自主调节没有可检测的影响. 这一发现对于兽医麻醉学实践至关重要.
科学领域:
- 兽医麻醉学 兽医麻醉学
- 自主神经系统生理学 自主神经系统生理学
- 心血管监测 心血管监测
背景情况:
- 心率变化 (HRV) 分析是评估自主神经系统 (ANS) 功能的一个关键工具.
- 它在兽医麻醉学中的应用,特别是关于牛的外周麻醉,是有限的.
- 了解麻醉剂对心脏自主调节的影响对于动物福利至关重要.
研究的目的:
- 为了研究低剂量尾部外注利多卡因对乳牛心脏自主调节的影响.
- 为了比较皮质外注利多卡因和生理盐水后的HRV参数.
- 为了确定神经囊外周麻醉是否会影响牛的心脏自主活动.
主要方法:
- 采用交叉研究设计,对8只健康的荷尔斯坦-弗里西亚奶牛进行了交叉研究.
- 在基线和在皮质内注射 (利多卡因或盐水) 后的240分钟内,记录了节拍间隔.
- 计算了关键HRV参数 (心率,RMSSD,HF,LF/HF比率);评估了AUC和恢复到基线的时间.
主要成果:
- 在利多卡因和盐溶液外围注射组之间,在任何HRV参数中没有观察到显著差异.
- 对于HRV参数的曲线下的面积 (AUC) 值显示了治疗之间可比的反应.
- 对于这两种外周内腔干预,恢复到基线HRV值的时间与外周内腔干预相同.
结论:
- 用低剂量利多卡因进行的乳房囊外周麻醉似乎不会显著影响乳牛的心脏自主调节.
- 这些发现表明,这种麻醉技术对于这种物种的直接心脏自主功能是安全的.
- 进一步的研究可能会探索长期影响或不同的麻醉剂.
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