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抑郁障碍患者脑功能磁共振研究 被引量:3

Research of Brain Functional Magnetic Resonance Imaging on Patients with First-episode Major Depressive Disorder
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摘要 目的:应用低频振幅(ALFF)分析方法研究首次发病为抑郁障碍的患者脑功能的异常,探讨首发抑郁障碍发病的脑机制。方法:对2011年11月-2013年10月在山西医科大学第一医院收集的13例首发抑郁障碍患者进行脑功能磁共振扫描,另选取14例年龄、性别、受教育年相匹配的正常对照组进行脑功能磁共振扫描,采用汉密尔顿抑郁评分变化测定临床反应。结果:抑郁组与正常对照组比较研究发现右侧中央旁回ALFF值明显大于正常对照组(P<0.05);右侧的岛叶、海马、尾状体的ALFF值明显低于正常对照组(P<0.05)。结论:抑郁障碍患者与正常对照组相比存在静息态脑功能的异常。 Objective:To explore the mechanism of depressive emotion of patients with major depressive disorder (MDD)by the amplitude of low-frequency fluctuations(ALFF).Method:Resting-state functional magnetic resonance imaging(fMRI)data of 13 MDD patients that met the criteria of DSM-IV(before and after 8-week treatment)and 14 healthy subjects(age,sex,years of education matching)were analyzed with ALFF.Clinical response was measured by change in serial scores on the Hamilton Rating Scale for Depression.Result:Compared with the healthy control,the ALFF of Insula_R(aal),Hippocampus_R(aal),Caudate Body were significantly decreased,while Paracentral_Lobule_R(aal)was significantly increased in the untreated first-episode major depressive disorder patients(P〈0.05).Conclusion:Compared to the control group,the resting-state function of some brain regions are abnormal in patients with depressive disorder.
出处 《中国医学创新》 CAS 2014年第12期1-4,共4页 Medical Innovation of China
基金 国家自然科学基金项目(30971054)
关键词 抑郁障碍 抗抑郁治疗 功能核磁共振 低频振幅 Depressive disorder Antidepressant treatment FMRI ALFF
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同被引文献27

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