使用大型语言模型从临床过程和业务规则中获取关键数据.
Yunguo Yu1, Cesar A Gomez-Cabello2, Svetlana Makarova1
1Center for Digital Health, Mayo Clinic, Rochester, MN 55905, USA.
Bioengineering (Basel, Switzerland)
|January 24, 2025
概括
像LLaMA 2这样的大型语言模型 (LLM) 在解释临床途径以准确诊断和治疗建议方面表现有前途. 这项研究证明了从复杂模型中检索临床信息的高准确性,改善了医疗保健数据检索.
科学领域:
- 人工智能在医学中的应用
- 临床信息学 临床信息学
- 自然语言处理自然语言处理.
背景情况:
- 当前的临床决策支持系统通常依赖于复杂的,基于规则的框架,需要经常更新,并且可能很难管理.
- 这些系统在适应不断变化的医学知识和各种患者情景方面面临挑战.
研究的目的:
- 评估大型语言模型 (LLM),LLaMA 2在解释复杂的临床过程模型 (CPM) 的有效性.
- 评估LLaMA 2在基于这些模型提供准确的临床建议的能力.
- 通过编码的临床途径来确定LLM在医疗保健信息检索方面的表现.
主要方法:
- 在临床路径上,LLaMA 2 接受了 DOT 语言编码的训练,并使用 SentenceTransformer 嵌入.
- 该模型处理了假设患者病例,以产生诊断,进一步评估建议和管理步骤.
- 标记级准确性是通过将LLM输出与地面真相进行比较来衡量,评估节点和边缘准确性.
主要成果:
- LLaMA 2在检索诊断,建议评估和概述基于CPM的管理步骤方面表现出高度准确性.
- 实现的平均节点精度为0.91 (SD ± 0.045).
- 取得的平均边缘精度为0.92 (SD ± 0.122).
结论:
- 从复杂的临床模型中提取医疗保健信息,LLM,特别是LLaMA 2具有显著的潜力.
- 该研究验证了LLM用于解释临床途径和生成相关建议的使用.
- 未来的工作应该探索改善LLM的解释性和整合到临床工作流程.
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