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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
18:11

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Published on: December 28, 2012

Study on the hypercoagulable state in patients with angina and myocardial infarction

Y Hu1, S Song, W Wei

  • 1Institute of Hematology, Tongji Medical University, Wuhan.

Journal of Tongji Medical University = Tong Ji Yi Ke Da Xue Xue Bao
|May 12, 2000
PubMed

Insights

Platelet activation, coagulation, and fibrinolysis markers are elevated in coronary heart disease (CHD), particularly in unstable angina (UA) and acute myocardial infarction (AMI) patients. These findings indicate increased thrombotic activity in advanced stages of CHD.

Area of Science:

  • Cardiovascular Medicine
  • Hematology
  • Biochemistry

Background:

  • Coronary heart disease (CHD) involves complex hemostatic alterations.
  • Platelet activation, coagulation, and fibrinolysis are key components of cardiovascular thrombosis.

Purpose of the Study:

  • To investigate molecular markers of platelet activation, coagulation, and fibrinolysis in different stages of CHD.
  • To differentiate hemostatic profiles between stable angina (SA), unstable angina (UA), and acute myocardial infarction (AMI).

Main Methods:

  • Analysis of platelet granule membrane protein 140 (GMP-140) for platelet activation.
  • Measurement of prothrombin fragment F1 + 2 and fibrinopeptide A (FPA) for coagulation activation.
  • Detection of D-dimer and alpha 2-plasma inhibitor (alpha 2-PI) for fibrinolytic state assessment.

Main Results:

  • Elevated GMP-140 levels in all CHD groups suggest general platelet activation.
  • Significantly higher prothrombin fragment F1 + 2 and FPA levels in UA and AMI compared to SA and controls indicate enhanced coagulation.
  • Increased D-dimer and alpha 2-PI in UA and AMI groups suggest activated fibrinolysis.

Conclusions:

  • Platelet activation is present across CHD spectrum.
  • Coagulation and fibrinolytic systems are significantly activated in unstable angina and acute myocardial infarction.
  • These markers may aid in assessing CHD severity and thrombotic risk.

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