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Updated: Feb 1, 2026

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动态性呼吸暂停中缺氧性昏迷:一个病例报告
Eric Mulder1, Isak Löfquist2, Felix Schagatay3
1Department of Health Sciences, Mid Sweden University, Sweden; Swedish Winter Sport Research Centre, Mid Sweden University, Östersund, Sweden.
The journal of physiological sciences : JPS
|January 30, 2026
概括
喘息潜水中的停电可能发生在50%的动脉氧和度 (SpO2),即使没有心律失常. 在亚最大潜水中早期的脱模式可能表明个体对停电的风险.
科学领域:
- 生理学 生理学 生理学
- 运动科学 运动科学 运动科学
- 潜水医学是一门潜水医学.
背景情况:
- 喘息潜水中的停电 (BO) 与大脑缺氧有关.
- 对BO事件和相关生理变化的直接观察是有限的.
- 了解BO的生理触发因素对于潜水员的安全至关重要.
研究的目的:
- 在动态呼吸暂停期间调查动脉氧和度 (SpO2) 和心率 (HR).
- 在训练有素的自由潜水者中记录导致停电的生理反应.
- 为了识别潜在的停电预测器在喘息潜水.
主要方法:
- 在11名训练有素的自由潜水员中,使用防水氧计进行持续的SpO2和HR监测.
- 两个动态呼吸暂停距离的性能:75米和100米.
- 一个潜水员在100米潜水时经历了停电的情况观察.
主要成果:
- 组SpO2随着潜水距离的增加而显著下降,在100米处达到68%±9%的平均值.
- 平均HR在两个潜水距离期间大幅下降,没有检测到心律失常.
- 一名潜水员在51%的SpO2下经历了停电,并迅速恢复.
- 在跨越距离的潜水员中,SpO2 nadirs是一致的,与HR nadirs不同.
结论:
- 在SPO2水平约为50%时,可能发生停电,主要是由于严重的低氧化.
- 缺少心律不整并不能排除喘息潜水中昏迷的可能性.
- 建议在亚最大潜水期间使用早期脱模式进行个性化风险评估.
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