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Journal of Tongji Medical University

, Volume 9, Issue 2, pp 117–120 | Cite as

Study on experimental model of coronary artery thrombogenesis and acute myocardial infarction: Changes in epicardial ECG, platelet function and biochemistry, and pathology

  • Fang Wei-yi
  • Zhao Hua-yue
Article

Summary

A model was produced for formation of coronary artery thrombosis and development of acute myocardial infarction (AMI) in experimental dogs (n= 8) by injuring endothelium of coronary artery with a steel wire, inserting a copper wire into the lumen, and producing local stenosis with a constrictor. The results showed that ST segment of epicardial ECG began to elevate 15–30 min after handling the coronary artery, platelets aggregation rate and plasma TXB2 increased rapidly, plasma 6-k-PGF did not change, platelets cGMP rose continuously, while platelets cAMP rose only at 60 min after handling the coronary artery. Histological findings confirmed the occurrence of artery thrombus and myocardial necrosis. The model may be helpful in investigating the whole process of activation of platelet, thrombogenesis and development of AMI, with the changes in biochemstry, structure, pathophsiology and ECG monitored during the period.

Key words

experimental model coronary artery thrombogehesis acute myocardial infarction 

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Copyright information

© Springer 1989

Authors and Affiliations

  • Fang Wei-yi
    • 1
  • Zhao Hua-yue
    • 1
  1. 1.Department of Internal Medicine, Tongji HospitalTongji Medical UniversityWuhan

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