减压在1.3对1.6巴和消除和静脉气体栓塞:一个随机对照试验
Oscar Plogmark1,2, Carl Hjelte1,2,3, Max Olsson1
1Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Respiratory Medicine and Allergology, Lund, Sweden.
概括
与1.6bar相比,在1.3bar的较低解压停止显著减少了冲洗和静脉气体栓塞 (VGE). 这一发现可以改善潜水减压模型.
科学领域:
- 潜水生理学潜水生理学
- 高压医学是高压医学.
- 生物医学工程 生物医学工程
背景情况:
- 在潜水中减压停止的最佳深度仍然是正在进行的研究领域.
- 了解冲洗和静脉气栓 (VGE) 形成对于潜水员的安全至关重要.
研究的目的:
- 为了调查1.3bar的减压停止,与1.6bar相比,是否可以减少潜水后全身冲洗量和VGE.
- 提供可能为改进解压算法的开发提供信息的数据.
主要方法:
- 一个随机交叉试验,涉及16名潜水员进行湿气潜水.
- 潜水员进行了40分钟的3.4巴的潜水,并在随机顺序下以1.3巴 (Deco 1.3) 或1.6巴 (Deco 1.6) 的压缩停止7分钟.
- 主要结果:潜水后全身洗量差异. 二次结果:高峰VGE的差异,通过心脏超声波评估,并使用Eftedal-Brubakk尺度进行分级.
主要成果:
- 与Deco 1.6 (1068毫升) 相比,Deco 1.3 (696毫升) 的潜水后气冲洗量明显较低,平均差异为373毫升.
- 与Deco 1.6 (四分位数范围3-4) 相比,Deco 1.3导致较低的峰值静脉气栓塞 (VGE) 等级 (四分位数范围2-3),P值为0.005.5,与Deco 1.6 (四分位数范围3-4) 相比.
- 16名潜水员完成了两种减压方案,在8名参与者中测量了洗量.
结论:
- 在降低潜水后气冲洗和VGE时,1.3bar的减压停止比1.6bar更有效.
- 这些发现支持优化减压配置文件,以提高潜水员的安全.
- 结果可能有助于改进当前的减压模型和指导方针.
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