2型糖尿病患者认知功能及海马氢质子磁共振波谱研究

被引:19
作者
周红 [1 ]
卢万俊 [1 ]
滕皋军 [2 ]
张志珺 [1 ]
吴旻 [2 ]
机构
[1] 东南大学附属中大医院神经内科,东南大学脑血管病研究所
[2] 东南大学附属中大医院放射科
关键词
糖尿病,2型; 认知; 海马; 磁共振波谱;
D O I
10.13929/j.1003-3289.2009.08.037
中图分类号
R587.1 [糖尿病]; R749.2 [躯体疾病伴发精神障碍];
学科分类号
1002 ; 100201 ; 100205 ;
摘要
目的探讨2型糖尿病(T2DM)患者与健康对照者(HC)认知功能与双侧海马代谢的异同。方法应用多维度神经心理测试对比评估21例T2DM患者和19名HC的神经认知功能;并采用氢质子磁共振波谱(1H-MRS)检测双侧海马氮-乙酰天门冬氨酸复合物(NAA),胆碱复合物(Cho)与肌酸(Cr)的比值。结果①T2DM组听觉词语记忆测试-延迟回忆项(AVLT-delayrecall)、听觉词语记忆测试-再认回忆项(AVLT-recognition)和画钟测试(CDT)成绩均显著地低于HC组(P均<0.05),并与糖化血红蛋白(HbA1c)呈负相关;②T2DM患者双侧海马NAA/Cr降低(均P<0.01),并以左侧为著(P<0.05);左侧海马Cho/Cr增高(P<0.05);③双侧海马代谢指标与T2DM患者BMI、FBG和HbA1c呈负相关;左侧海马NAA/Cr与AVLT-DelayRecall成绩正相关。结论T2DM可引起海马代谢异常及多项认知功能损害,且左侧海马代谢异常可能与记忆损害密切相关。
引用
收藏
页码:1367 / 1370
页数:4
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