NutriSighT:可解释的变压器模型用于机械通风患者低热量肠道营养的动态预测
medRxiv : the preprint server for health sciences
|January 20, 2025
概括
一个新的AI模型NutriSighT准确地预测了机械通风患者的低热量营养. 这个工具有助于临床医生个性化营养治疗,以获得更好的临床治疗结果.
科学领域:
- 关键护理医学 关键护理医学
- 医疗保健中的人工智能
- 营养支持营养支持
背景情况:
- 适当的肠道营养至关重要,但对于机械通风患者来说很困难.
- 低热量营养是机械通风过程中常见的挑战.
- 个性化营养治疗可以改善危急病患者的治疗结果.
研究的目的:
- 开发和验证NutriSighT,一个用于预测机械通风患者低热量营养的变压器模型.
- 用内部和外部验证数据集来评估模型的性能.
- 评估AI在优化ICU患者营养支持方面的潜力.
主要方法:
- 开发NutriSighT,一个具有可学习位置编码的变压器模型.
- 使用了来自阿姆斯特丹UMCdb (开发) 和MIMIC-IV (验证) ICU数据库的回顾性数据.
- 包括需要机械通风至少72小时的成年患者.
主要成果:
- 在内部测试组中,NutriSighT的AUROC达到0.81,AUPRC达到0.70.
- 外部验证显示AUROC为0.76和AUPRC为0.70,使用MIMIC-IV数据.
- 该模型在0.5值时显示了75.16%的灵敏度和60.57%的特异性.
结论:
- 在机械通风患者中,NutriSighT在预测低热量营养方面表现强.
- 该模型显示了帮助临床医生量身定制营养治疗的潜力.
- 由人工智能指导的个性化营养策略可能会改善ICU患者的治疗结果.
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