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早期卒中后抑郁症15个皮质下核团的体积及形态变化的磁共振分析 被引量:4

A 3. 0 T MRI study on the alterations of the volume and morphology of fifteen subcortical nucleus in patients with early post-stroke depression
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摘要 目的对卒中后抑郁症(PSD)患者和卒中后无抑郁、单纯抑郁、健康受试者的15个皮质下核团体积及其3D形状改变进行成组比较,探讨早期PSD变化规律及机制。方法收集2015—2017年深圳市人民医院符合入组条件的28例卒中后抑郁症患者(PSD)和18例卒中后无抑郁症(PSND)、13例单纯抑郁症(De)、11名健康受试者(NC)行磁共振扫描,勾画双侧伏隔核、尾状核、壳核、苍白球、丘脑、海马、杏仁核及脑干,计算其体积并标准化,再对其3D形状改变进行成组比较。结果经方差分析PSD组与PSND、De、NC 3组间的双侧伏隔核(NAc)、双侧丘脑(Th)、左侧苍白球(Pa)的体积差异均有统计学意义(均P〈0.05),PSD组上述核团体积分别为(415±128) mm^3(L-NAc)/(303±90) mm^3 (R-NAc)、(7 590±867) mm^3 (L-Th)/(7 459±905) mm^3 (R-Th)、(1 675±328) mm^3 (L-Pa),小于PSND等组(433±100) mm^3/(307±88) mm^3、(7 999±961)/(7 753±955) mm^3、(1 790±286) mm^3。两两组间比较差异有统计学意义的核团:PSD组与NC组有右侧伏隔核、双侧丘脑(P〈0.01);PSD组与De组有右侧伏隔核、右侧丘脑(P〈0.001),左侧伏隔核、左侧苍白球、左侧丘脑(P〈0.01);PSND组与NC组有右侧伏隔核(P〈0.05);PSND组与De组有右侧伏隔核(P〈0.001),左侧伏隔核、右侧丘脑(P〈0.05)。经F检验核团形态差异有统计学意义(P〈0.05)的部位主要为右侧伏隔核的顶部及尾部、右侧尾状核的前部及中腹部、双侧丘脑的大部、双侧海马的体部腹内侧、左侧尾状核的体前部。结论早期PSD组存在多个皮质下核团的体积及形态结构异常,这提示皮质下核团改变在早期PSD的病理生理中发挥作用,并可能是其发病机制中重要原因之一。 ObjectiveTo investigate the alterations of the volumes and 3D shapes of fifteen subcortical nucleus in patients with post-stroke depression (PSD) and to explore the pathogenesis regularity and mechanism of early PSD.MethodsFrom 2015 to 2017, a total of 28 patients with PSD and 18 stroke patients without depression (PSND), 13 patients with depression (De) and 11 cases of healthy volunteers (NC) were enrolled to perform 3.0 T high resolution MRI.Computer automatic segmentation and vertex analysis were used to segment and measure the volume of bilateral nucleus accumbens, caudate nucleus, putamen, globus pallidus, thalamus, hippocampus, mygdale and brainstem.ResultsThe volume of bilateral nucleus accumbens and bilateral thalamus, left pallidum were different among groups with statistical difference (P〈0.05). The nucleus volume of the PSD group was (415±128) mm^3 (L-Nac)/(303±90) mm^3 (R-Nac), (7 590±867) mm^3 (L-Th)/(7 459±905) mm^3 (R-Th), (1 675±328) mm^3 (L-Pa), which was smaller than that of PSND group (433±100) mm^3 /(307±88) mm^3, (7 999±961) mm^3 /(7 753± 955) mm^3, (1 790±286) mm^3 and other groups.The nuclei with significantly statistical differences between inter-group were found in following: between PSD group and NC group, right accumbens and bilateral thalamus (P〈0.01); between PSD group and De group, right accumbens and right thalamus (P〈0.001), left accumbens, left pallidum and left thalamus (P〈0.01); between PSND group and NC group, right accumbens (P〈0.05); between PSND group and De group, right accumbens (P〈0.001), left accumbens and right thalamus (P〈0.05). Significant differences in morphology changes of nuclei (P〈0.05) by F test mainly located on the top and tail of right accumbens, the anterior and middle body of right caudate nucleus, the most part of bilateral thalamus, the ventromedial body of bilateral hippocampus, the anterior and body of left caudate nucl
作者 陈宇 吴明祥 龚静山 邹良玉 徐坚民 朱进 李刚 Chen Yu;Wu Mingxiang;Gong Jingshan;Zou Liangyu;Xu Jianmin;Zhu Jin;Li Gang(Department of Radiology,the Second Medical College of Jinan University,Shenzhen People's Hospital,Shenzhen 518020,China)
出处 《中华医学杂志》 CAS CSCD 北大核心 2018年第31期2471-2475,共5页 National Medical Journal of China
基金 深圳市科创委课题(JCYJ20150403102020233,JCYJ20160422170522075) 深圳市卫计委课题(201601015)
关键词 磁共振成像 大脑皮质 卒中 抑郁症 皮质下核团 Magnetic resonance imaging Cerebral cortex Stroke Depressive disorder Subcortical nuclei
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