基于手术前超声波图像的深度学习放射学,用于预测患有冠状动脉支架的患者的侧性缺血性中风:一项多中心研究
Zhang Jie1, Li Xiaodan2, Gao Mingjie3
1Neuroscience Center, Department of Neurology, First Hospital of Jilin University, Jilin University, Changchun, China (Z.J., S.R., Q.X., W.L.).
Academic radiology
|December 27, 2025
概括
一个新的深度学习放射学模型预测了动脉支架 (CAS) 后的长期中风风险. 该工具有助于对患者进行分层,以改善治疗和后续管理.
科学领域:
- 心血管成像 - 心血管成像
- 人工智能在医学中的应用
- 预防中风 预防中风
背景情况:
- 动脉支架 (CAS) 是一种预防缺血性中风的程序.
- 在CAS后预测长期中风风险仍然具有挑战性.
- 目前的方法可能无法完全捕捉复杂的斑块特征.
研究的目的:
- 开发和验证一个综合模型,用于预测长期的ipsilateral缺血性中风风险后CAS.
- 整合临床,放射学和深度学习功能,以提高预测.
- 改善风险分层,指导临床决策.
主要方法:
- 在2018-2024年间对802名接受CAS治疗的患者进行了分析.
- 从手术前的斑块超声波图像中提取放射性和深度学习特征.
- 开发一种使用考克斯回归和随机生存森林的综合预测模型,以名图形式呈现.
主要成果:
- 显著比例的患者 (26.6%) 在中位数62个月的随访期间经历了ipsilateral中风.
- 集成的深度学习放射学模型显示出强大的预测性能 (C指数0.800,0.751,0.708跨数据集).
- 该模型显著优于传统的超声波方法,并有效地将患者分为高风险和低风险组.
结论:
- 使用超声波的手术前深度学习放射学模型有效预测CAS患者的长期ipsilateral中风风险.
- 这个模型为风险分层提供了一个有价值的工具.
- 它可以指导治疗决策和后续管理,以改善患者的治疗结果.
更多相关视频
10:26A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis
Published on: June 2, 2015
17.8K
04:09Predicting Treatment Response to Image-Guided Therapies Using Machine Learning: An Example for Trans-Arterial Treatment of Hepatocellular Carcinoma
Published on: October 10, 2018
8.6K
相关概念视频
Imaging Studies VII: Vascular Imaging
284
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
284
Imaging Studies for Cardiovascular System IV: CMRI
293
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
293
Imaging Studies for Cardiovascular System V: CT
252
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
252
Imaging Studies for Cardiovascular System III: X-Ray
451
The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
451
