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在糖尿病中对心脏上腺功能障碍的功能性和I-MIBG光谱评估

Thorsten K Rasmussen¹, Per Borghammer², Nanna B Finnerup³

¹Danish Pain Research Center, Department of Clinical Medicine, Aarhus University, Denmark.

Autonomic neuroscience : basic & clinical

|February 14, 2024

概括

2型糖尿病患者表现出心脏交感内置受损. 这项研究发现心血管上腺功能与MIBG光学扫描结果之间的矛盾关系,表明潜在的上腺过敏.

科学领域:

心脏病学心脏病学
内分泌学在内分泌学.
核医学就是核医学.

背景情况:

2型糖尿病 (T2D) 与自主功能障碍有关.
心脏交感性缺血是T2D中已知的并发症.
评估心脏上腺功能对于了解T2D并发症至关重要.

研究的目的:

评估T2D患者临床心血管上腺功能与心脏上腺内置之间的相关性.
调查I-meta-iodobenzylguanidine (MIBG) 剪影在T2D中评估心脏交感功能的有用性.

主要方法:

33名T2D患者接受了临床心血管上腺激素评估 (Valsalva操作) 和I-MIBG光学扫描.
通过MIBG光学扫描,使用心脏/中 (H/M) 比率 (早期和延迟) 和冲洗率 (WR) 来测量心肌腺激应.
综合自主严重程度评分 (CASS) 用于分类自主功能障碍严重程度.

主要成果:

与参考值相比,T2D患者的早期和延迟H/M比率以及较低的WR显着较低.
13名患者的CASS得分异常,显示出明显更高的H/M比率和较低的WR.
心血管上腺激素反应受损 (Valsalva操作) 与较低的MIBG指数 (H/M比率和WR) 相相关.

结论:

这项研究证实,使用MIBG光学扫描的T2D患者心脏交感内置受损.
在有利的心血管上腺激素反应和不利的MIBG指数之间观察到一个矛盾的关联.
这表明,在心交感性神经退化T2D患者中,上腺素过敏的潜在机制.

关键词:

(123) I-metaiodobenzylguanidine (MIBG) 是一种含有甲基基胺的化合物.自主神经系统的自主神经系统.自主血管控制自主血管控制心脏自主调节的心脏自主调节 2 型糖尿病 2 型糖尿病

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