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糖尿病心肌病中的细胞外体积分和本地T1映射:一个全面的元分析

Ahmed Marey¹, Ali Alabdullah², Hossam Ghorab³

¹Alexandria University Faculty of Medicine, Champollion street،, Al Mesallah Sharq, Al Attarin, Alexandria Governorate, Alexandria, 5372066, Egypt. ahmed.ahmed1797@alexmed.edu.eg.

BMC cardiovascular disorders

|February 1, 2025

概括

细胞外体积分数 (ECV) 量化了2型糖尿病 (T2DM) 中心肌纤维化. 虽然T2DM患者的ECV升高,但与血红蛋白A1C (HbA1C) 水平无关,表明疾病的复杂机制.

科学领域:

心脏病学心脏病学
内分泌学在内分泌学.
医疗成像医学成像

背景情况:

2型糖尿病 (T2DM) 与心肌纤维化 (MF) 有关,这是心血管不良事件的关键因素.
心血管磁共振 (CMR) 技术,包括细胞外体积分数 (ECV) 和本地T1映射,提供非侵入性的MF量化.
评估MF及其与糖尿病严重程度 (HbA1C) 的关系对于管理糖尿病心肌病至关重要.

研究的目的:

评估ECV和本地T1映射作为T2DM患者心脏纤维化生物标志物.
确定这些CMR参数与糖尿病严重程度之间的关联,特别是HbA1C水平.
研究非侵入性CMR在T2DM的背景下理解MF的实用性.

主要方法:

一个系统的审查和元分析,遵循PRISMA指南.
纳入了19项与4117名参与者的研究,以计算ECV和原生T1值的加权平均差异 (WMDs).
进行元回归分析,以探索ECV和HbA1C之间的相关性,并进行灵敏度和子组分析.

主要成果:

与对照组相比,在T2DM患者中观察到显著更高的ECV值 (WMD: 2.17).
在糖尿病患者中证实HbA1C水平升高 (WMD: 1.78).
两组之间没有发现本源T1值的显著差异,ECV和HbA1C之间也没有显著的相关性,这可能是由于异质性和有限的数据.

结论:

在T2DM中,ECV作为量化心肌纤维化的一个有希望的生物标志物,显示了糖尿病人和非糖尿病人之间的显著差异.
缺少ECV和HbA1C之间的相关性凸显了糖尿病中MF的复杂性质,并需要进一步调查.
标准化的CMR协议对于未来的研究来验证这些发现和改善CMR在糖尿病心肌病管理中的应用至关重要.

关键词:

心血管磁共振是一种心血管磁共振.糖尿病糖尿病糖尿病糖尿病心肌病糖尿病心肌病细胞外体积分数的体积分数心肌纤维化是心肌纤维化的一种.T1映射 T1映射 T1映射 T1映射

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