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集成磁共振成像技术评估COVID-19康复患者神经损伤
Authors
吴文浩
廖健伟
+4 more
张亚琴
李绍林
王国杰
谢青
Publication date
1 January 2024
Publisher
Editorial Office of Journal of Sun Yat-sen University
Doi
Abstract
目的应用集成磁共振成像技术(SyMRI)评估COVID-19康复患者脑灰质微结构的改变。方法29例COVID-19康复患者分为重症患者组(SG=11例)和普通患者组(OG=18例),选取年龄、性别、体质指数(BMI)和教育年限相匹配的健康志愿者作为健康对照组(HC=23例)。所有受试者均行SyMRI扫描,生成T1、T2定量图谱,利用自动解剖标记(AAL)模板将T1和T2图谱分割成90个感兴趣区(ROIs)。通过对ROI内的所有体素进行平均得到每个ROI的T1、T2弛豫值。分析比较三组间90个脑区的T1、T2值。结果HC相比,SG在双侧眶内额上回、双侧海马旁回、双侧豆状壳核、双侧颞中回、双侧颞下回、左侧眶部额上回、左侧眶部额下回、左侧直回、左侧前扣带与旁扣带脑回、右侧内侧和旁扣带脑回、左侧后扣带回、左侧缘上回的T2值显著升高(P < 0.05);与OG相比,SG在左侧直回、左侧海马旁回、双侧颞中回、双侧颞下回的T2值显著升高(P < 0.05)。与HC相比SG在双侧眶内额上回、左侧直回、左侧前扣带和旁扣带脑回、右侧后扣带回、左侧海马旁回、左侧舌回、左侧豆状壳核、左侧丘脑的T1值显著升高(P < 0.05);与OG相比,SG在右侧后扣带回、右侧距状裂周围皮层、左侧豆状壳核的T1值显著升高(P < 0.05)。结论COVID-19患者即使在康复后脑灰质微结构仍可能存在持续性或迟发性损伤,且损伤程度与病情严重程度相关;SyMRI可作为一项敏感的工具评估中枢神经系统(CNS)微结构损伤情况,有助于早期临床诊断
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Last time updated on 15/10/2024