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18Fluorodeoxyglucose-Positron发射断层扫描/计算机断层扫描在A型大动脉内膜血瘤的预后值

Tianyu Chen¹, Hui Yuan², Hailong Qiu¹

¹Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou 510080, P.R. China.

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery

|August 1, 2025

概括

在A型大动脉内壁血瘤 (IMH) 患者中,大动脉18F-FDG吸收增加表明疾病进展的风险较高. 这一发现可以帮助IMH患者的风险分层和管理.

科学领域:

心血管成像 - 心血管成像
核医学是一种核医学.
胸部外科手术胸部外科手术

背景情况:

甲型大动脉内壁血瘤 (IMH) 是一种潜在的严重疾病,需要仔细监测.
评估IMH的疾病进展对于及时干预和改善患者结果至关重要.

研究的目的:

为了评估18F-FDG在主动脉中的吸收和A型IMH患者的疾病进展之间的关联.
为了确定18F-FDG的吸收是否可以作为预测性标记者,预测主动脉不良事件.

主要方法:

研究了一组接受医疗管理的A型IMH患者队列.
18F-FDG正子发射断层扫描/计算机断层扫描 (PET/CT) 用标准化吸收值 (SUV) 来测量大动脉吸收.
疾病进展,定义为对大动脉干预的需要,是主要结局,随访使用逆卡普兰-梅尔法.

主要成果:

总共有32名患者被随访了平均28.3个月,其中43.8%的患者患有疾病进展.
与稳定组相比,患有疾病进展的患者表现出明显更高的大动脉SUVmax (4.9对3.5,P = .001).
一个SUVmax切线为4.25,显示了78.6%的灵敏度和77.8%的特异性预测进展 (AUC = 0.806).

结论:

大动脉18F-FDG摄入量的增加与A型IMH中大动脉不良事件的风险增加有关.
从18F-FDG PET/CT衍生出的SUVmax是这些患者风险分层和指导管理决策的宝贵工具.

关键词:

在18F-FDG中.聚乙烯/聚乙烯/聚乙烯疾病的进展疾病的进展一种类型的甲状腺内壁血瘤.

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