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左心房附属体血栓与心房动患者的高分数维度有关

Mengyuan Jing¹, Huaze Xi¹, Jianying Li²

¹Department of Radiology, Lanzhou University Second Hospital, Lanzhou, China; Second Clinical School, Lanzhou University, Lanzhou, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, China; Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, Lanzhou, China.

Clinical imaging

|August 15, 2024

概括

左上心房附属体 (LAA) 断面尺寸 (FD) 表示心房动 (AF) 患者的解剖复杂性增加和LAA血栓形成的风险增加. 这种成像度量有助于预测血块形成.

科学领域:

心脏病学心脏病学
医疗成像医学成像
生物医学工程生物医学工程

背景情况:

心房动 (AF) 构成血栓栓塞事件的重大风险,通常起源于左心房附属物 (LAA).
准确评估LAA形态和血栓形成风险对于有效的患者管理至关重要.
传统的风险评分可能无法完全捕捉导致血栓形成的解剖复杂性.

研究的目的:

为了评估LAA的解剖复杂性,使用心脏计算断层扫描血管学 (CTA) 衍生出的碎形维度 (FD).
为了调查LAAFD与LAA血栓形成的存在之间的联系,在AF患者中.
将LAA FD的诊断性能与预测LAA血栓的CHA2DS2-VaSc得分进行比较.

主要方法:

对接受心脏CTA和输食管心声谱 (TEE) 的AF患者的回顾性分析.
计算LAAFD以量化形态异质性的数量.
倾向性得分匹配 (PSM) 以平衡患者组 (正常,循环静止,血栓).
后勤回归和ROC曲线分析以评估风险因素和诊断性能.

主要成果:

在患有LAA血栓的患者中,LAA FD明显高于患有循环静止或正常LAA形态的患者,无论是在PSM前后.
确定LAA FD是LAA血栓和循环静止的独立风险因素.
与CHA2DS2-VaSc得分相比,LAA FD在识别血栓方面表现出卓越的诊断性能.

结论:

升高的LAAFD与AF患者LAA血栓形成的可能性增加密切相关.
LAA FD提供了一种有价值的定量方法,用于评估血栓形成风险并指导个性化治疗策略.
将LAA FD纳入风险分层可能会改善与AF相关的血栓栓塞并发症的管理.

关键词:

心房动是一种心房动.循环静止循环静止循环静止碎形维度碎形维度是什么?左心房附属体是左心房的附属体血栓形成的原因是因为血栓.

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