紧急情况部门在B型大动脉剖析中的血压管理:用机器学习进行分析
Nelson Chen1, Jessica V Downing2,3, Jacob Epstein4
1University of Maryland School of Medicine, Baltimore, Maryland.
The western journal of emergency medicine
|June 25, 2025
概括
在急性大动脉解剖中严格控制血压和心率,在急诊室具有挑战性. 较高的初始生命体征和较少的疼痛管理与未能满足美国心脏协会 (AHA) 的指导方针有关.
科学领域:
- 心脏病学 心脏病学
- 紧急医疗 紧急医疗
- 医疗信息学 医疗信息学
背景情况:
- 急性大动脉解剖 (AAD) 携带显著的发病率和死亡率.
- 美国心脏协会 (AHA) 的指导方针建议严格控制系统血压 (SBP) 和心率 (HR) 控制B型AAD.
- 在B型AAD中成功的急诊部 (ED) SBP管理的预测因素尚未确立.
研究的目的:
- 确定SBP和HR目标在ED的B型AAD患者中实现SBP和HR目标的预测因素.
- 评估在转移之前遵守AHA血液动力学管理指南.
主要方法:
- 在2017-2020年间转移的134名B型AAD成年患者的回顾性分析.
- 纳入标准:最初的SBP>120 mmHg和HR>60 bpm.
- 随机森林 (RF) 算法用于预测达到SBP <120 mmHg和HR <60/80 bpm.
主要成果:
- 只有19%的患者在ED开始时达到SBP <120 mmHg.
- 高分级SBP和静脉注射Labetalol预测SBP>120 mmHg,与AHA指南相矛盾.
- 适当的疼痛管理和及时的CT扫描预测了HR目标的实现.
结论:
- 许多B型AAD患者在转移之前在ED中没有达到AHA血液动力学目标.
- 较高的初始SBP和HR预测无法实现治疗目标.
- 有效的疼痛管理可能有助于实现HR目标.
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