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超声评价无大血管并发症的2型糖尿病患者血管内皮舒张功能及其影响因素分析
引用本文:王建华,张江霞,丁桂春,高宇,张轻. 超声评价无大血管并发症的2型糖尿病患者血管内皮舒张功能及其影响因素分析[J]. 中华医学超声杂志(电子版), 2012, 9(7): 46-49
作者姓名:王建华  张江霞  丁桂春  高宇  张轻
作者单位:北京军区总医院超声科,100700
摘    要:目的 超声评价无大血管并发症的2型糖尿病患者血管内皮舒张功能并分析其影响因素.方法 选择无大血管并发症的2型糖尿病患者50例(糖尿病组),以34名年龄、性别相匹配健康志愿者作对照(健康对照组).超声检测、计算肱动脉血流介导的内皮依赖性血管舒张功能(FMD)和硝酸甘油介导的内皮非依赖性血管舒张功能(NMD),同时检测血糖(FBG)、糖化血红蛋白(HbA1c)、总胆固醇(TC)、三酰甘油(TG)、高密度脂蛋白胆固醇(HDL-C)、低密度脂蛋白胆固醇(LDL-C)、载脂蛋白A1(ApoA1)、载脂蛋白B(ApoB)、脂蛋白α(Lpα)、血清铁蛋白(SF)和氧化低密度脂蛋白(ox-LDL)水平.采用多元线性回归分析分析FMD、NMD与实验室检测指标之间的关系.结果 (1)糖尿病组FBG、HbA1c、TC、TG、LDL-C、ApoB、Lpα、SF和ox-LDL水平分别为(8.58±1.90)mmol/L、(8.66±2.60)%、(5.43±0.79)mmol/L、(1.96±0.94)mmol/L、(3.22±0.73)mmol/L、(0.87±0.23)g/L、(215.69±81.9 )mg/L、(279.19±92.68)ng/ml、(24.95±7.2)μg/dl,均明显高于健康对照组的(5.31±0.42)mmol/L、(5.16±0.41)% 、(4.64±0.54)mmol/L、(1.45±0.62)mmol/L、(2.32±0.55)mmol/L、(0.69±0.16)g/L、(178.26±20.2 )mg/L、(151.21±84.37)ng/ml、(10.62±8.46)μg/dl,且差异均有统计学意义(t值分别为2.653、2.986、2.252、2.224、2.321、2.096、2.786、2.965、2.996,P均<0.05).糖尿病组HDL-C水平为(1.02±0.23)mmol/L,明显低于健康对照组的(1.27±0.25)mmol/L,差异也有统计学意义(t=2.320,P均<0.05).(2)糖尿病组FMD、NMD分别为(7.10±2.23)%、(20.22±4.68)%,均高于健康对照组的(4.11±1.13)% 、(13.02±4.25)%,且差异有统计学意义(t=2.217、2.121,P均<0.05).(3)多元线性回归分析提示,FMD和TC、ApoB、SF和ox-LDL水平显著相关(r=0.681,P<0.05),而NMD只与TC和ApoB水平显著相关(r=0.642,P<0.05).结论 2型糖尿病早期患者血管内皮舒张功能降低,TC、ApoB、SF和ox-LDL水平可能与糖尿病患者血管内皮舒张功能障碍有关.

关 键 词:超声检查  糖尿病,2型  血管舒张功能  高血脂  血清铁蛋白  氧化低密度脂蛋白

Ultrasound evaluation of endothelium-dependent vasodilation function and analysis of the related influencing factors in patients with type 2 diabetes mellitus
WANG Jian-hua , ZHANG Jiang-xia , DING Gui-chun , GAO Yu , ZHANG Qing. Ultrasound evaluation of endothelium-dependent vasodilation function and analysis of the related influencing factors in patients with type 2 diabetes mellitus[J]. Chinese Journal of Medical Ultrasound, 2012, 9(7): 46-49
Authors:WANG Jian-hua    ZHANG Jiang-xia    DING Gui-chun    GAO Yu    ZHANG Qing
Affiliation:. Department of Ultrasound,the Military General Hospital of Beijing of People' s Liberation Army,Beijing 100700,China
Abstract:Objective To investigate the changes of endothelium-dependent flow-mediated vasodilation ( FMD) and endothelium-independent nitroglycein-mediated vasodilation( NMD) of brachial artery in patients with the early stage of type 2 diabetes mellitus. Methods Fifty type 2 diabetic patients without large vascular complications ( DM ) and 34 healthy controls ( NC ) were included in the study. High resolution ultrasound was performed to measure FMD and NMD,and laboratory data such as fasting blood glucose ( FBG) ,hemoglobin A1c( HbA1c) ,total cholesterol( TC) ,triglyceride( TG) ,low density lipoprotein cholesterol ( LDL-C) ,high density lipoprotein cholesterol( HDL-C) ,apolipoprotein A1( ApoA1) ,apolipoprotein B( ApoB) , lipoprotein α( Lpα) ,serum ferritin ( SF) and oxidized low density lipoprotein ( ox-LDL) were also analyzed. Results The FBG,HbA1c,TC,TG,LDL-C,HDL-C,ApoB,Lpα,SF and ox-LDL were( 8. 58 ± 1. 90) mmol /L, ( 8. 66 ±2. 60) %,( 5. 43 ± 0. 79) mmol/L,( 1. 96 ± 0. 94) mmol/L,( 3. 22 ± 0. 73) mmol/L,( 1. 02 ± 0. 23) mmol / L,( 0. 87 ± 0. 23) g / L,( 215. 69 ± 81. 9 ) mg / L,( 279. 19 ± 92. 68) ng / ml,( 24. 95 ± 7. 2) μg / dl in DM group,( 5. 31 ± 0. 42) mmol / L,( 5. 16 ± 0. 41) % ,( 4. 64 ± 0. 54) mmol / L,( 1. 45 ± 0. 62) mmol / L,( 2. 32 ±0. 55) mmol/L,( 1. 27 ±0. 25 ) mmol/L,( 0. 69 ±0. 16) g/L,( 178. 26 ±20. 2 ) mg/L,( 151. 21 ± 84. 37 ng / ml,( 10. 62 ± 8. 46) μg / dl in NC group,there were significant difference between the two groups ( t =2. 653,2. 986,2. 252,2. 224,2. 321,2. 320,2. 096,2. 786,2. 965,2. 996,all P 0. 05) . Compared with NC group,FMD and NMD in DM group were significantly lower[( 7. 10 ± 2. 23) % vs ( 4. 11 ± 1. 13) % ,t = 2. 217,P 0. 01]and[( 20. 22 ± 4. 68) % vs ( 13. 02 ± 4. 25) % ,t = 2. 121,P 0. 05],whereas laboratory parameters including FBG,TC,TG,LDL-C,ApoB,Lpα,HbA1c,SF and ox-LDL were significantly higher. Taking FMD and NMD as the dependent variables,multi-variable regression analysis indicated that FMD was significantly related with TC,ApoB,SF,and ox-LDL level ( r = 0. 681,P 0. 05 ) ,whereas NMD was significantly related with Tc and ApoB( r = 0. 642,P 0. 05) . Conclusion FMD was impaired in patients with type 2 diabetes mellitus possibly related with the increased levels of TC,ApoB,SF and ox-LDL.
Keywords:Ultrasonography  Diabetes mellitus  type 2  Endothelium-dependent vasodilatation function  High lipidemia  Serum ferritin  Oxidized low density lipoprotein
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