高海拔脑病:低血症还是高海拔脑?
Graham Brant-Zawadzki1, Tamara Hew-Butler2, Drew C Youngquist1
1Department of Emergency Medicine, University of Utah, Salt Lake City, UT.
Wilderness & environmental medicine
|February 18, 2025
概括
高海拔脑 (HACE) 可能会被误认为是低海拔脑病. 本案例系列强调了区分这些疾病的关键标志,这些标志对于准确的诊断和高度治疗至关重要.
科学领域:
- 高度医学 高度医学
- 神经学 神经学
- 紧急医疗 紧急医疗
背景情况:
- 高海拔地区的大脑功能障碍会带来诊断挑战,通常涉及高海拔地区的大脑 (HACE) 和低海拔区域脑病变.
- 在适当的临床管理中,区分HACE和低血压性脑病变至关重要.
- 在患有高度神经症状的患者中,低血压性脑病变经常被误诊为HACE.
研究的目的:
- 介绍一系列低血压脑病原病患者的病例,最初被误诊为HACE.
- 确定和讨论有助于区分低血压脑病与HACE的关键临床症状和征兆.
- 强调在高海拔地区患有脑病症的患者考虑低血症的重要性.
主要方法:
- 汇编了11例被诊断为HACE的严重低血症患者的病例.
- 通过直接的患者护理或转诊咨询来验证诊断.
- 分析临床特征,高度暴露,流体摄入量,以及低血症的相关风险因素.
主要成果:
- 11名患者 (5名男性,6名女性,19-65岁) 在2100-4300米之间进行运动,出现脑病变和严重的低血症 (112-127 mmol·L-1).
- 临床表现包括无典型的HACE成像发现的,混乱和昏迷;快速症状进展,中等高度,短时间暴露和建议低血症.
- 运动相关低血症的经典风险因素在10名患者中存在;5人发生发作,4人患有肺.
结论:
- 在高海拔环境中对脑病的差异诊断中必须考虑严重的低血症.
- 虽然没有确立低压性缺氧和低血之间的直接因果关系,但高海拔可能会加剧与运动相关的低血.
- 在高海拔地区错误诊断低血压性脑病变可能会产生严重的后果,需要进一步调查这种相互作用.
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