arXiv:2507.03460cs.AI2025-07中稿 · MICCAI 2025被引 5

用AI代理团队自动发现心脏影像与疾病因素的复杂关联。

Multi-Agent Reasoning for Cardiovascular Imaging Phenotype Analysis

  • 构建多智能体系统,通过自组织推理动态挖掘潜在关联
  • 发现非影像因素与心肺影像表型的新型关联,召回率提升6类疾病
  • 结果可解释且媲美专家选择,适合医学研究与临床辅助

识别影像表型、疾病风险因素与临床结局之间的关联,对理解疾病机制至关重要。传统方法依赖人工假设检验和变量筛选,常忽略影像表型与其他多模态数据间的复杂非线性关系。为此,我们提出多智能体探索协同框架MESHAgents:利用大语言模型作为智能体,动态探测、揭示并决策关联研究中的混杂因素与表型。具体而言,我们构建跨学科AI智能体团队,通过迭代自组织推理自发生成并收敛于洞见。该框架将统计相关性与多专家共识动态融合,实现表型组关联研究(PheWAS)的自动化流程。我们在基于人群的心脏与主动脉影像表型研究中验证了系统能力,MESHAgents自主发现影像表型与广泛非影像因素的关联,识别出超出标准人口学因素的额外混杂变量。诊断任务验证显示,其发现的表型在疾病分类上表现接近专家选定表型,平均AUC差异仅为$-0.004_{\pm0.010}$;其中9种疾病中有6种召回率提升。该框架提供具有透明推理过程的临床相关影像表型,为专家驱动方法提供了可扩展替代方案。

原文摘要 · Abstract (English)

Identifying associations between imaging phenotypes, disease risk factors, and clinical outcomes is essential for understanding disease mechanisms. However, traditional approaches rely on human-driven hypothesis testing and selection of association factors, often overlooking complex, non-linear dependencies among imaging phenotypes and other multi-modal data. To address this, we introduce Multi-agent Exploratory Synergy for the Heart (MESHAgents): a framework that leverages large language models as agents to dynamically elicit, surface, and decide confounders and phenotypes in association studies. Specifically, we orchestrate a multi-disciplinary team of AI agents, which spontaneously generate and converge on insights through iterative, self-organizing reasoning. The framework dynamically synthesizes statistical correlations with multi-expert consensus, providing an automated pipeline for phenome-wide association studies (PheWAS). We demonstrate the system's capabilities through a population-based study of imaging phenotypes of the heart and aorta. MESHAgents autonomously uncovered correlations between imaging phenotypes and a wide range of non-imaging factors, identifying additional confounder variables beyond standard demographic factors. Validation on diagnosis tasks reveals that MESHAgents-discovered phenotypes achieve performance comparable to expert-selected phenotypes, with mean AUC differences as small as $-0.004_{\pm0.010}$ on disease classification tasks. Notably, the recall score improves for 6 out of 9 disease types. Our framework provides clinically relevant imaging phenotypes with transparent reasoning, offering a scalable alternative to expert-driven methods.

多智能体影像分析心血管

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