冠心病合并糖尿病患者冠状动脉狭窄程度与内皮功能损伤的相关性研究

被引:17
作者
李利强 [1 ]
张鸿举 [1 ]
吴慧敏 [1 ]
张瑞红 [1 ]
刘田 [2 ]
机构
[1] 徐州市第一人民医院心内科
[2] 蚌埠医学院
关键词
冠心病; 糖尿病; 冠状动脉; 内皮功能;
D O I
暂无
中图分类号
R541.4 [冠状动脉(粥样)硬化性心脏病(冠心病)];
学科分类号
100201 [内科学];
摘要
目的探讨冠心病(CHD)合并2型糖尿病(DM)患者冠状动脉狭窄与内皮功能损伤的相关性。方法选择行冠状动脉造影确诊的CHD患者86例,其中46例合并2型DM(DM组)、40例为非糖尿病患者(NDM组)。用Gensini积分法评估冠状动脉狭窄程度;硝酸还原酶法比色检测患者血浆一氧化氮(NO)浓度;ELISA法测定血浆内皮素(ET),血管性血友病因子抗原(vWF:Ag)、血小板膜蛋白-140(GMP-140)浓度;发光底物法测定血浆组织型纤溶酶原激活剂(t-PA)与血浆纤溶酶原激活物抑制剂-1(PAI-1)活性以评价内皮功能损伤情况。采用直线相关分析法对DM患者Gensini积分与内皮损伤相关指标进行分析。结果 DM组患者的Gensini积分明显大于NDM组(38.25±12.13 vs.28.73±10.74,P<0.05);DM组患者的NO、t-PA水平明显低于NDM组[NO:(52.35±17.62)μmol/Lvs.(98.37±21.20)μmol/L;t-PA:(0.55±0.21)IU/Lvs.(0.87±0.26 IU/L);P<0.01];而ET、PAI-1、vWF:Ag、GMP-140水平明显高于NDM组。DM组患者血浆NO(r=-0.803)、t-PA水平(r=-0.628)与Gensini积分呈显著负相关(P均<0.01),而ET(r=0.713)、PAI-1(r=0.526)、vWF:Ag(r=0.705)和GMP-140(r=0.512)与Gensini积分呈显著正相关(P均<0.01)。结论 CHD合并DM患者的Gensini积分与内皮损伤程度密切相关。严重的内皮功能损伤可能是DM患者冠状动脉狭窄程度较重的原因之一。
引用
收藏
页码:596 / 598+601 +601
页数:4
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