梗死心肌侧枝血管形成与缺氧诱导因子-1α及血管内皮生长因子A表达水平的关系及临床意义

被引:18
作者
戴宇翔 [1 ]
王审 [2 ]
李晨光 [1 ]
黄浙勇 [1 ]
陆浩 [1 ]
常书福 [1 ]
钱菊英 [1 ]
葛雷 [1 ]
王齐兵 [1 ]
颜彦 [1 ]
樊冰 [1 ]
张峰 [1 ]
姚康 [1 ]
马剑英 [1 ]
黄东 [1 ]
葛均波 [1 ]
机构
[1] 复旦大学附属中山医院心内科
[2] 浙江省温岭市第一人民医院心内科
关键词
冠状动脉慢性完全闭塞; 冠状动脉侧枝循环; 缺氧诱导因子-1α; 血管内皮生长因子A;
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:探讨冠状动脉慢性完全闭塞(chronic total occlusion,CTO)后梗死心肌中侧枝血管形成与缺氧诱导因子-1α(hypoxia-inducible factor 1-alpha,HIF-1α)及血管内皮生长因子A(vascular endothelial growth factor A,VEGF-A)表达水平的关系及其临床意义。方法:连续收集经冠状动脉造影明确为完全闭塞病变者214例,结合患者的临床表现及(或)影像学资料,确诊为CTO者89例。采用ELISA法检测HIF-1α和VEGF-A的蛋白水平;提取外周血单个核细胞(peripheral blood mononuclear cell,PBMC),用定量PCR法测定PBMC中VEGF-A的mRNA水平。采用JMP9.0和SPSS18.0统计软件进行统计学处理。结果:比较各组糖尿病患者比例,Rentrop 2级组(11/31,35.5%)和3级组(3/20,15.0%)显著低于0~1级组(18/38,47.4%),P<0.05;比较各组的空腹血糖水平,Rentrop 2级组(6.67±1.41)mmol/L)和3级组(5.48±1.26)mmol/L)显著低于0~1级组(7.24±1.39)mmol/L),P<0.05;比较各组患者中临床心衰(NYHAⅡⅣ级)的比例,Rentrop 2级组(12/31,38.7%)和3级组(3/20,15.0%)显著低于0~1级组(20/38,52.6%),P<0.05;比较各组HIF-1α和VEGF-A的蛋白水平,Rentrop 2级组[(85.5±27.7)pg/mL,(139.5±42.1)pg/mL]和3级组[(103.3±30.2)pg/mL,(162.6±43.3)pg/mL]显著高于0~1级组[(42.0±16.1)pg/mL,(76.5±32.2)pg/mL],P均<0.01;比较各组HIF-1α和VEGF-A的mRNA水平,Rentrop 2级组(1.31±0.46)和3级组(1.38±0.44)VEGF-A的mRNA相对表达水平显著高于0~1级组(1.00±0.28),P<0.01。结论:慢性持续缺血、缺氧所导致的HIF-1α和VEGF表达增加在促进冠状动脉侧枝循环的建立、增加心肌血供、改善预后、减少临床心功能不全的发生率方面具有重要意义。
引用
收藏
页码:305 / 309
页数:5
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