为医疗保健人工智能系统集成微调和检索增强生成:一个范围审查
Bernardo G Collaco1, Prabha Srinivasagam1, Cesar A Gomez-Cabello1
1Division of Plastic Surgery, Mayo Clinic, 4500 San Pablo Rd S, Jacksonville, FL 32224, USA.
Bioengineering (Basel, Switzerland)
|February 27, 2026
概括
混合微调 (FT) 和检索增强生成 (RAG) 模型通过将领域知识与最新信息相结合来改善医疗保健AI,减少错误并提高临床可靠性.
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
- 生物医学自然语言处理
背景情况:
- 医疗保健中的大型语言模型 (LLM) 面临着幻觉和静态知识等挑战.
- 微调 (FT) 嵌入域推理,而检索增强生成 (RAG) 则提供动态的知识访问.
- 混合FT + RAG框架旨在提高LLMs的事实准确性和临床可靠性.
研究的目的:
- 综合医疗保健AI中混合微调和检索增强生成框架的证据.
- 评估FT + RAG系统在生物医学应用中的性能和特性.
主要方法:
- 对在医疗保健或生物医学任务中实施明确FT + RAG混合物的研究进行范围审查.
- 在PubMed,IEEE Xplore,Google Scholar和Embase中进行的搜索.
- 在基准模型,FT策略,RAG架构,应用程序和性能结果上提取数据.
主要成果:
- 七项研究符合纳入标准,始终显示FT + RAG系统的表现优于FT-only或RAG-only方法.
- 指出了参数效率高的FT方法 (例如LoRA) 和各种RAG实现.
- 益处包括提高准确性,减少幻觉,增加临床医生的偏好和可行性.
结论:
- FT + RAG框架为临床基础的医疗保健AI提供了一个有希望的途径.
- 这些混合体将特定领域的推理与透明,最新的检索相结合.
- 未来的研究应该集中在标准化评估,工作流集成和安全部署的治理上.
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