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随着海拔高度的增加,B线的患病率更高,但与AMS症状不相关

Tiana Linkus¹, Duncan Biggin¹, Brian Strickland¹

¹Department of Emergency Medicine, Section of Wilderness & Environmental Medicine, University of Colorado School of Medicine, Aurora, CO, USA.

Wilderness & environmental medicine

|December 3, 2025

概括

肺超声波B线随着旅行者的高度而增加,与较低的氧和相关,但不是急性山病症状. 需要进一步的研究来确定临床意义.

科学领域:

肺部医学肺部医学
高度生理学高度生理学
医学成像医学成像

背景情况:

肺超声波 (LUS) 上的肺B线表示肺.
无症状的B线在高海拔旅行者中被发现,但它们的流行率和与高度生理学的关系尚不清楚.
高海拔肺 (HAPE) 是那些上升到高度的人的担忧.

研究的目的:

在高海拔旅行者中描述B线发展.
研究B线与海拔高度的生理变化之间的关系.
评估B线和急性山病 (AMS) 之间的相关性.

主要方法:

在尼泊尔的Khumbu山谷成年徒步旅行者的观察研究.
一个8点肺超声波 (LUS) 用于B线量化.
记录了高度,生命体征 (包括SPO2) 和AMS的路易斯湖得分 (LLS);一个子集被纵向跟踪.

主要成果:

总共有88名受试者被录取,其中21名被纵向跟踪.
在一般人群中,高度和B线得分之间发现了显著的正相关性 (r=0.18,p=0.049).
B线得分与静止SpO2 (r=-0.3,p=0.0008) 相反相关,与LLS没有显著关系 (r=0.14,p=0.12).

结论:

肺部超声波 (LUS) B线得分随着海拔高度的增加而增加.
较高的B线分数与休息时SpO2.2降低相关.
B线得分与AMS症状的发展没有相关性,这表明需要对其临床意义进行进一步研究.

关键词:

路易斯湖的得分路易斯湖的得分有关急性山病的疾病.高海拔地区的肺.护理点超声波超声波超声波超声波

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