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基于MIMIC-IV数据的脊髓损伤患者的预后和轨迹之间的关联

Xiaomin Li¹, Fei Liu¹, Zhenjiang Liu¹

¹Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, People's Republic of China.

Scientific reports

|October 15, 2025

概括

脊髓损伤 (SCI) 患者血清水平缓慢但持续下降与ICU死亡风险增加有关. 动态血清轨迹为预测SCI患者预后和改善风险分层提供了有价值的生物标志物.

科学领域:

神经学神经学
生物化学生化学
关键护理医学关键护理医学

背景情况:

血清水平的动态变化在重症监护中至关重要.
在脊髓损伤 (SCI) 患者的预后评估需要可靠的生物标志物.
了解水平动态可以帮助预测SCI患者的结果.

研究的目的:

研究血清水平的动态变化与脊髓损伤 (SCI) 患者的预后之间的相关性.
为临床评估SCI患者的疾病严重程度和预后提供参考.
评估血清轨迹对ICU死亡风险的预测值.

主要方法:

在MIMIC-IV数据库中的699名成人SCI患者的血清数据上利用了基于组的轨迹建模 (GBTM).
在不同的轨迹组中比较了基线特征和生存结果 (Kaplan-Meier,Cox回归).
使用C-统计和净重新分类改进 (NRI) 评估了ICU死亡率的轨迹的增量预测值.

主要成果:

确定了两种血清的轨迹:急剧下降 (第1类) 和缓慢但持续下降 (第2类).
与1级相比,2级的发展轨迹与显著更长的ICU/住院时间和更短的存活时间有关.
2级独立预测了ICU死亡风险的增加,特别是在高血压患者中,并改善了风险分层的准确性.

结论:

动态血清轨迹与严重病情的SCI患者的预后密切相关.
血清水平的缓慢,持续下降是ICU死亡风险增加的重要指标.
血清轨迹为预后提供了潜在的生物标志物,并增强了ICU中分层管理的传统评分系统.

关键词:

的轨迹是一个轨迹.相对应关系相对应关系这就是MIMIC-IV.预测预后预测预测脊髓损伤导致的脊髓损伤

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