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山东大学学报(医学版)

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糖尿病视网膜病变对2型糖尿病患者脑损伤的预测价值

仝佳1,张正军2,孙新海3,耿厚法2 ,孙琳2   

  1. 1. 山东大学医学院,山东 济南 250012; 2.济宁医学院附属医院内分泌科,山东 济宁 272029;
     3. 济宁医学院附属医院磁共振室, 山东 济宁 272029
  • 收稿日期:2013-09-30 出版日期:2014-06-10 发布日期:2014-06-10
  • 通讯作者: 孙琳。E-mail:sunlinsddx@163.com
  • 基金资助:
    山东省医药卫生科技发展计划项目(2013WS0340)

Predictive value of diabetic retinopathy to brain damage in patients with type 2 diabetes mellitus#br#

TONG Jia1, ZHANG Zhengjun2, SUN Xinhai3, GENG Houfa2, SUN Lin2   

  1. 1. School of Medicine, Shandong University, Jinan 250012, Shandong, China;
     2. Department of Endocrinology, Affiliated Hospital of Jining Medical College, Jining 272029, Shandong, China;
    3. Department of Magnetic Resonance Imaging, Affiliated Hospital of Jining Medical College, Jining 272029, Shandong, China
  • Received:2013-09-30 Online:2014-06-10 Published:2014-06-10

摘要: 目的  研究糖尿病视网膜病变(DR)患者的脑组织损伤。方法  选取合并视网膜病变的2型糖尿病患者27例(DM组)以及健康对照组24例(HC组),所有研究对象行氢质子磁共振波谱(1H-MRS)以及扩散加权成像(DWI)检查。感兴趣区域(ROIs)定位于颅脑左侧额叶白质、左侧豆状核以及左侧视辐射区。计算ROIs内N-乙酰天门冬氨酸(NAA)/肌酸(Cr)、胆碱化合物(Cho)/肌酸(Cr)、肌醇(MI)/Cr以及NAA/Cho值,并测量表观扩散系数(ADC)。结果  DM组额叶白质NAA/Cr、NAA/Cho值均低于HC组(P<0.05),豆状核NAA/Cr值低于HC组(P<0.05);视辐射区NAA/Cho值低于HC组,MI/Cr值高于HC组(P<0.05)。DM组额叶白质NAA/Cr值与糖化血红蛋白(HbA1c)水平呈负相关(r=-0.652,P<0.05),视辐射区MI/Cr与Cho/Cr值呈正相关(r=0.520, P<0.05)。DM组所有ROIs内ADC值均高于HC组(P<0.05)。结论  糖尿病视网膜病变患者存在早期脑组织损伤,临床医师应采取干预措施,预防严重的脑血管疾病的发生。

关键词: 弥散加权成像, 糖尿病视网膜病变, 脑损伤, 磁共振波谱

Abstract: Objective  To investigate the brain damage in patients with diabetic retinopathy (DR). Methods  Twenty-seven type 2 diabetes mellitus (T2DM) patients with retinopathy (DM group) and twenty-four healthy controls (HC group) were selected. Proton magnetic resonance spectroscopy (1H-MRS) and diffusion-weighted imaging (DWI) were performed on all the participants. Regions of interest (ROIs) were located in the left frontal white matter, left lenticular nucleus, and left optic radiation. N-acetylaspartate (NAA)/creatine (Cr), Choline (Cho)/creatine (Cr), myo-inositol (MI)/Cr, and NAA/Cho ratios and ADC values of all the ROIs were obtained. Results  In the frontal white matter, NAA/Cr and NAA/Cho ratios were lower in the DM group than in the HC group (P<0.05). In the lenticular nucleus, NAA/Cr ratios were lower in the DM group than in the HC group (P<0.05). In the optic radiation, NAA/Cho ratios in the DM group were decreased, while MI/Cr values were increased compared with those in the HC group (P<0.05). In the DM group,  NAA/Cr ratios in the frontal white matter were negatively correlated with glycosylated hemoglobin (HbA1C) levels (r=-0.652,  P<0.05). In the optic radiation,  MI/Cr ratios were positively correlated with Cho/Cr values (r=0.520, P<0.05) in the DM group. ADC values in the DM group were significantly higher than those in the HC group (P<0.05). Conclusion  Patients with DR are accompanied with early brain injury and clinicians should take measures to prevent the occurrence of severe cerebrovascular diseases.

Key words: Brain damage, Magnetic resonance spectroscopy, Diffusion-weighted imaging, Diabetic retinopathy

中图分类号: 

  • R578.2
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