大脑质子磁共振光谱在患有帕金森病的患者
Ali Shoeibi1, Mahdieh Verdipour1, Alireza Hoseini1
1Department of Neurology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Current journal of neurology
|November 27, 2023
概括
质子磁共振光谱 (MRS) 显示了评估帕金森病 (PD) 严重程度的潜力. 虽然无法在接受治疗的患者中诊断PD,但黑色物质中的NAA/Cr比率可以作为疾病进展的有用生物标志物.
科学领域:
- 神经学 神经学
- 生物标志物 生物标志物
- 神经成像是一种神经成像.
背景情况:
- 目前的帕金森病 (PD) 诊断严重依赖于临床检查,在诊断和监测的实验室和成像研究中准确性有限.
- 质子磁共振光谱 (MRS) 提供了一种非侵入性方法来分析大脑的化学特征.
研究的目的:
- 评估质子MRS在诊断PD中的有效性.
- 为了确定质子MRS在评估PD严重性的实用性.
主要方法:
- 对30名PD患者和25名健康对照进行了Proton MRS.
- 代谢物水平 (N-乙酸盐,总肌酸,总胆) 和它们的比例在黑色物质 (SN),皮质 (Pu) 和运动皮层中被测量.
- 帕金森病的严重程度使用统一帕金森病评级尺度 (UPDRS) 和霍恩和雅尔尺度进行评估.
主要成果:
- 在PD患者和对照人群之间,在SN,Pu或运动皮质中没有发现代谢物比率的显著差异.
- 在PD患者的尼格拉NAA/Cr比率和总UPDRS得分之间观察到显著的相关性 (r = -0.35,P = 0.08).
- 患有Hoehn和Yahr分数≥2的PD患者在SN中表现出较低的NAA/Cr水平,与分数较低的患者相比.
结论:
- 1.5特斯拉质子MRS不能检测治疗PD患者的代谢物异常.
- 黑色物质中的NAA/Cr比率显示为评估PD严重程度的成像生物标志物具有前途.
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