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[慢性咳中的大脑活动变化:休息状态功能磁共振成像研究]

Z Chen¹, C Zhan¹, L Long¹

¹Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Guangzhou Medical University, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou 510120, China.

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases

|November 11, 2025

概括

患有慢性咳的患者表现出大脑活动的改变,特别是在小脑区域,这表明中央敏感性. 这些大脑变化在耐火性慢性咳和体质咳综合征之间有所不同,这表明了不同的过敏机制.

科学领域:

神经科学是一个神经科学.
医疗成像医学成像
肺部病理学肺部病理学

背景情况:

慢性咳是一种使人衰弱的疾病,对生活质量产生重大影响.
了解慢性咳的潜在神经生物学机制对于开发有效的治疗方法至关重要.
休息状态功能磁共振成像 (fMRI) 提供了一种非侵入性方法来探索大脑功能活动.

研究的目的:

与健康对照组相比,研究耐火性慢性咳 (RCC) 和体性咳综合征 (SCS) 患者的独特大脑功能活动模式.
为了确定特定的大脑区域和与不同类型的慢性咳相关的功能连接性改变.
探索大脑活动,咳严重程度和咳敏感性之间的关系.

主要方法:

一项前性研究涉及20名RCC患者,19名SCS患者和29名健康对照.
休息状态的fMRI被用来通过低频波动 (ALFF) 的幅度来评估大脑功能活动.
进行了基于种子的功能连接 (FC) 分析,以及对咳严重程度 (VAS) 和素咳敏感度 (lgC5) 的评估.

主要成果:

与对照人群相比,患有RCC的患者在右小脑区域8和Crus2中显示出明显更高的ALFF.
患有SCS的患者在直肠前额肌肉中表现出更高的ALFF.
在RCC和SCS患者中,在多个大脑区域观察到增强的FC,包括小脑,闭层,丘脑和前额/关节,其中包括小脑,闭层,丘脑和前额/关节.

结论:

特定大脑区域的功能连接增强表明慢性咳患者的中心敏感性.
在RCC和SCS中大脑活动变化的明显模式表明中央过敏症的不同潜在的神经生物学机制.
这些发现突出了中枢神经系统在慢性咳病理生理学中的作用,并可能指导针对性的治疗干预措施.

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