在初级保健中早期诊断轴性脊椎关节炎,使用多剂系统
Xiaojian Ji1, Zhuofeng Li2, Lulu Zeng1,3
1Department of Rheumatology and Immunology, the First Medical Center, Chinese PLA General Hospital, Beijing, China.
NPJ digital medicine
|January 22, 2026
概括
一个新的AI系统,脊髓关节炎代理 (SpAgents),通过提高初级保健医生识别疾病和减少诊断延迟的能力,显著改善轴性脊髓关节炎 (axSpA) 的早期诊断.
科学领域:
- 人工智能在医学中的应用
- 风湿病学 诊断 诊断 风湿病学
- 检测炎症疾病 检测炎症疾病
背景情况:
- 轴性脊椎关节炎 (axSpA) 导致慢性腰部疼痛,全球平均诊断延迟6.7年.
- 由初级保健医生 (PCP) 及时识别和转诊对于 axSpA.的更好的预后和减少残疾至关重要.
- 目前的诊断途径为PCP在实现早期 axSpA 识别方面提出了挑战.
研究的目的:
- 开发和验证一个早期诊断系统,脊椎关节炎剂 (SpAgents),用于axSpA.
- 为了提高诊断性能,利用整合大型语言模型 (LLM) 和成像模型的多代理框架.
- 评估SpAgents对PCP和风湿病学家诊断能力的影响.
主要方法:
- 开发了SpAgents框架,包括具有长期记忆力的PlannerAgent,DataAgent,ToolAgent和DoctorAgent.
- 培训和验证使用来自一家医院的545名患者数据集 (359名培训,186名验证).
- 在另外五家医院的51名患者的独立队列上进行测试.
主要成果:
- SpAgents获得了0.8615的验证灵敏度和0.8000的特异性.
- 独立测试显示SpAgents的灵敏度为0.9375和特异性为0.7368.
- 与PCP和初级风湿病学家相比,SpAgents表现出更高的灵敏度 (0.9400) 和准确度 (0.8600),性能与高级风湿病学家相比.
结论:
- SpAgents显著提高了PCP的早期axSpA识别,减少了诊断延迟.
- 使用SpAgents的辅助诊断显著提高了PCP和初级风湿病学家的灵敏度和准确性.
- SpAgents代表了一种创新的解决方案,以克服早期axSpA诊断中的挑战.
相关概念视频
Multi-input and Multi-variable systems
403
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
In the absence of...
403
Axial and Appendicular Muscles
2.7K
Skeletal muscles, the key players in our body's movement, can be classified into two groups based on their location and function: axial muscles and appendicular muscles. These classifications reflect the primary roles the muscles play in the body's structure and movement.
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
2.7K
General Case of Eccentric Axial Loading
477
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
477
Overview of the Axial Skeleton
9.1K
The skeleton is subdivided into two major divisions—the axial skeleton and the appendicular skeleton. The axial skeleton forms the vertical, central axis of the body. It includes all of the bones of the head, neck, chest, and back. It protects the brain, spinal cord, heart, and lungs. It also serves as the attachment site for muscles that move the head, neck, and back and for muscles that act across the shoulder and hip joints to move their corresponding limbs.
The axial skeleton of the...
The axial skeleton of the...
9.1K
Normal Strain under Axial Loading
1.1K
Normal strain under axial loading is an important concept in the field of mechanics of materials. Axial loading implies the application of a force along the axis of a material, like a column or bar. This force can either compress or stretch the material. In the context of axial loading, normal strain is the deformation experienced by the material in the direction of the loading force. It's calculated as the change in length divided by the original length of the material. This unitless ratio...
1.1K
Fimbriae, Pili, and Axial Filaments
1.7K
Fimbriae and pili are specialized bacterial surface structures that play pivotal roles in adhesion, genetic exchange, and motility. Composed primarily of pilin protein, these hairlike appendages are crucial for bacterial survival and pathogenicity in various environments.Fimbriae: Adhesion and PathogenicityFimbriae are fine, filamentous structures measuring 2–10 nanometers in diameter and are densely distributed on the bacterial cell surface. They facilitate bacterial adhesion to abiotic...
1.7K


