J4 ›› 2009, Vol. 35 ›› Issue (3): 522-526.

• 临床研究 • 上一篇    下一篇

冠脉介入治疗后止凝血功能的改变及其与PAI基因多态性的关系

孙敏1, 吴金义2, 侯俭3, 李双斌3     

  1. 1.北华大学医学检验学院血液检验教研室|吉林 吉林132013;2.吉林大学中日联谊医院心内科|吉林 长春130033;3. 吉林省吉林市中心医院心内科| 吉林 吉林 132011
  • 收稿日期:2008-11-21 出版日期:2009-05-28 发布日期:2009-08-14
  • 通讯作者: 李双斌 E-mail:dfbzxy@tom.com
  • 作者简介:孙 敏 (1964-)|女|吉林省吉林市人|副教授| 医学硕士 |主要从事血栓及出血性疾病的研究。
  • 基金资助:

    吉林省科技厅科研基金资助课题(20080440-1)

Changes of |homeostatic activation in patients after percutaneous coronary intervention | and its relationship |with |plasminogen activator inhibitor-1 |gene polymorphism

SUN Min1, TUN Jin-Xi2, HOU Jian3, LI Shuang-Bin3   

  1. 1.Department of Hematologic Examination,College of Medical Examination,Beihua University,Jilin 132013,China;2.Department of Cardiology,China-Japan Union Hospital,Changchun 130033, China;3. Department of Cardiology| Central Hospital of Jilin,Jilin |132011,China
  • Received:2008-11-21 Online:2009-05-28 Published:2009-08-14

摘要:

目的:探讨经皮冠状动脉介入术( PCI)后止凝血功能变化与纤溶酶原激活剂抑制物-1 (PAI-1) 基因启动子区-675 4G/5G 多态性的关系,为临床PCI后预测血栓形成提供依据。方法:86例行PCI的冠心病患者分别于术前、术后即刻、术后24 h肘静脉采血,检测血浆中血管性血友病因子( vWF) 、PAI-1、FⅦc活性及血小板α颗粒膜蛋白-140(GMP-140 )、D-二聚体(D-D)含量;应用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)方法检测基因型及不同基因型患者PCI前、后止凝血功能指标。结果:PAI-1 基因型频数分布为4 G/4 G 型48 例(56%),4 G/5 G30 例(35%),5 G/5 G 型 8 例(9%)。4 G 和5 G 等位基因频率分别为73%和27%。3组基因型患者术前各项指标比较差异无显著性(P>0.05)。具有PAI-1 4G/4G 基因型患者血浆vWF、PAI-1、FⅦc活性及GMP-140、D-D含量在术后即刻高于术前( P< 0.01);术后24 h PAI-1活性高于术前(P< 0.01),但vWF、FⅦc活性及GMP-140、D-D含量有所下降,与术前比较差异无显著性(P>0.05)。具有4G/5G基因型及5G/5G基因型的两组患者术后即刻各项指标较术前明显增高( P< 0.01);术后24 h较术前有增高趋势,但差异均无显著性(P>0.05)。4 G/4 G 型患者术后即刻及术后24 h PAI-1活性较另两组基因型患者增高更显著( P< 0.01);其他指标有增高趋势,但差异无显著性(P>0.05)。结论:具有PAI-1 4 G/4G 基因型患者在PCI后较4 G/5 G型及5 G/5 G 型患者存在明显的纤维蛋白溶解功能的改变,提示PAI-1 4G/4G基因可能是PCI后急性和亚急性冠状动脉血栓形成的危险基因型。

关键词: 经皮冠状动脉介入术, 多态性,单核苷酸 ;纤溶酶原激活剂抑制物-1;凝血因子Ⅶ;血小板α颗粒膜蛋白-140, D- 二聚体

Abstract:

To investigate the relationship between plasminogen activatorinhibitor-1 (PAI-1) 4G/5G gene polymorphism and  homeostatic activation after percutaneous coronary intervention(PCI),and provide foundation for clinic  detection of thrombosis after PCI.Methods The plasma von Willebrand factor(vWF),activated factor Ⅶ ( FⅦc) ,PAI-1 activities and GMP-140, D-dimers(D-D)  levels in 86 patients with coronary heart disease undergoing in-stent implantation were determined before and immediate postoperative,and 24 h after PCI.PAI-1 gene polymorphism was detected by polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) to observe the changes of platelet function and coagulation and fibrinolytic states before and after PCI.Results The distribution of PAI-1 genotypes was as follows:48 cases with 4G/4G (56%),30 cases with 4G/5G (35% )and 8 cases with 5G/5G ( 9%).Among the patients,the allelic frequencies of 4G and 5G  were 73% and 27% respectively.No significant difference of the plasma GMP-140,vWF,FⅦa,D-D and PAI-1 levels was found between the three genotypes before PCI (P>0.05).In the patients with  4G/4G polymorphism of PAI-1 gene,the GMP-140,vWF,FⅦa,D-D and PAI-1 levels in plasma were significantly increased at  immediate postoperative period(P<0.01).The PAI-1 levels in plasma were significantly increased 24 h after PCI(P< 0.01);but the GMP-140,vWF,FⅦa and D-D  levels did not significantly increase (P>0.05).In the patients with 4G/5G and 5G/5G genotypes, all indexes mentioned above were significantly increased at  immediate postoperative period (P<0.01);24 h after PCI there were no significant differences (P>0.05).In the patients with 4G/4G genotype, the PAI-1 level in plasma was significantly higher than those in the patients with 4G/5G and 5G/5G genotypes 24 h after PCI(P< 0.01).
Conclusion There is a remarkable homeostatic activation and the fibrinolytic activity changes more in patients with 4G/4G genotype than  those in patients with  4G/5G and 5G/5G genotypes after PCI.The results suggest that the patients with 4G/4G genotype may be a dangerous factor in acute or subacute coronary thrombosis after PCI

Key words: percutaneous coronary intervention, polymorphism, single nucleotide; plasminogen activator inhibitor-1;GMP-140;factor Ⅶ;D-Dimer

中图分类号: 

  • R541.4