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ORIGINAL ARTICLE
Year : 2014  |  Volume : 39  |  Issue : 3  |  Page : 143-148

Evaluation of the procoagulant potential of endothelial microparticles CD144 (VE-Cadherin) positive in coronary syndrome patients


1 Department of Clinical Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
2 Department of Cardiology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
3 Department of Internal Medicine, Faculty of Medicine, Mansoura University, Mansoura, Egypt
4 Department of Emergency Hospitals, Faculty of Medicine, Mansoura University, Mansoura, Egypt

Correspondence Address:
Abdulrahman Alshaikh
Mansoura University Hospital, Algomhouria Street, Mansoura 35516
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1110-1067.148244

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Background Apoptotic microparticles are responsible for almost all tissue factor activity of the plaque lipid core. We hypothesized that elevated levels of procoagulant microparticles could also circulate in the peripheral blood of patients with recent clinical signs of plaque disruption and thrombosis. The present study included 60 acute coronary syndrome (ACS) adult patients. Group I included 30 patients with diabetes mellitus who presented with ACS. Group II included 30 nondiabetic patients complaining of ACS and 25 healthy individuals as controls. ACS patients were further classified according to laboratory and radiological findings (troponin test and ECG) as follows: group A included 16 ST-segment elevation myocardial infarction (STEMI) patients, group B included 19 non-ST-segment elevation myocardial infarction (NSTEMI) patients, and group C included 25 patients with unstable angina. Traditional laboratory investigations and special laboratory assessments of CD144 fluorescein isothiocyanate by flow cytometry were performed. Results The present study found highly elevated CD144 percentages in diabetic ACS patients compared with healthy controls (P≤0.0001(, and highly elevated creatine kinase-MB (CK-MB), fasting sugar, total cholesterol, triglyceride, HDL, and LDL (P = 0.0001, 0.0001, 0.0002, 0.0002, 0.0001, and 0.0001, respectively). In contrast, nondiabetic ACS patients had significantly elevated CD144, CK-MB, total cholesterol, triglyceride, HDL, and LDL (P = 0.0001, 0.0001, 0.0001, 0.0021, 0.0001, and 0.0021, respectively), whereas fasting sugar and HbA1c did not change significantly. However, the patients in group B (NSTEMI) had significantly elevated CD144% in comparison with patients with unstable angina (group C) ( P = 0.05), but patients with group A (STEMI) had significantly elevated CK-MB compared with patients with unstable angina (group C) (P = 0.02). Conclusion The high levels of circulating microparticles of endothelial origin are increased in diabetic patients with coronary artery disease, suggesting an important role for endothelial injury in the prediction of ACS. Hyperglycemia in ACS is associated with enhanced local thrombin generation and platelet activation, as well as unfavorably altered clot features in patients with and without a previous history of diabetes.


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