在帕金森病中发生渐进性脑血管反应性减少:一项纵向研究
Jian Wang1,2, Hongwei Li3, Jia Jia4,5
1Department of Radiology, Zhongshan Hospital, Fudan University, Shanghai, China.
Movement disorders : official journal of the Movement Disorder Society
|November 28, 2023
概括
帕金森病 (PD) 与脑血管反应能力 (CVR) 降低和大脑功能连接能力 (FC) 减弱有关,可能导致认知能力下降. 这些变化随着时间的推移而恶化,影响执行职能.
科学领域:
- 神经科学是一个神经科学.
- 医疗成像医学成像
- 临床神经学 临床神经学
背景情况:
- 在帕金森病 (PD) 中微血管功能障碍的进展尚不清楚.
- 调查脑血管反应 (CVR) 变化对于了解PD进展至关重要.
研究的目的:
- 在2年的时间内,评估PD患者的区域CVR变化.
- 探索在PD中CVR变化,认知衰退和功能连接 (FC) 之间的关系.
主要方法:
- 招募了90名PD患者和51名健康对照 (HC).
- 使用磁共振成像 (MR) 来评估CVR和FC地图.
- 在基线和2年随访期间进行了临床评估和神经心理评估.
主要成果:
- 患有PD的患者在特定的大脑区域 (左下回,右上皮层) 呈现了降低的CVR,这种情况随着时间的推移而持续.
- 左后带带皮层中CVR的纵向下降与在Trail Making Test B.上表现较差相关.
- 观察到衰弱后向前FC的趋势,随着疾病的进展.
结论:
- 微血管功能障碍似乎在PD进展中起作用.
- 损坏的CVR可能导致大脑FC减弱,并导致早期PD的执行功能缺陷.
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