现场适用的低强度运动会在患有严重喘的马中诱导支气管扩张
Sophie Mainguy-Seers1, Sarah-Maude Grondin1, Jean-Pierre Lavoie1
1Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.
在患有严重马性喘 (SEA) 的马中,亚最大有氧运动显著降低了呼吸道阻塞. 这一发现支持探索运动作为SEA的管理策略,为药物治疗提供潜在的替代方案.
科学领域:
- 马匹呼吸系统药物 马匹呼吸系统药物
- 兽医肺部病学 兽医肺部病学
- 动物运动生理学 动物运动生理学
背景情况:
- 严重的马类喘 (SEA) 导致严重的呼吸道功能障碍,导致受影响马的结果不佳.
- 虽然强度运动在SEA中诱导支气管扩张,但较轻的,现场适用的训练的影响不太了解.
研究的目的:
- 评估亚最大有氧运动对经历SEA恶化马的呼吸道阻塞的影响.
- 为了比较运动诱导的支气管扩张与标准支气管扩张药物的作用.
主要方法:
- 一项初步研究评估了25分钟的标准化炼方案对8匹SEA马的肺功能.
- 一项随机控制的交叉试验比较了标准化炼后肺功能变化与投票率.
- 在干预前和后测量肺机械;萨尔布塔摩尔在出场后进行比较.
主要成果:
- 在SEA马中,标准化的运动显著减少了约50%的肺阻力.
- 运动后肺阻力从2.6到1.3厘米的H2O/L/s下降 (p=0.006),但在参加投票后保持不变.
- 运动诱导的支气管扩张的程度与使用支气管扩展剂沙尔布塔摩尔 (salbutamol) 实现的程度相当.
结论:
- 短暂的有氧运动会在SEA.的马中诱导快速和强大的支气管扩张.
- 这些发现表明,练习计划需要进一步调查SEA的管理.
- 限制包括小样本大小,缺乏盲目化,并专注于短期影响.
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