Anna Hulok1, Krzysztof Sciborski1, Jakub Marczak2, Tomasz Bańkowski1, Rafał Poręba3, Marta Negrusz-Kawecka1. 1. Department and Clinic of Cardiology, Wroclaw Medical University, Poland. 2. Department and Clinic of Cardiac Surgery, Wroclaw Medical University, Poland. 3. Department and Clinic of Internal and Occupational Diseases and Hypertension, Wroclaw Medical University, Poland.
Abstract
OBJECTIVES: Cell adhesion molecules (CAM) are thought to have a great impact on endothelium functioning. Interaction between CAM and a receptor may lead to macrophage activation and the release of multiple enzymes such as elastases and colagenases. These enzymes can, in turn, play a role in atherosclerotic plaque destabilization and initiation of acute coronary syndrome (ACS). The main aim of this study was to assess the role of sVCAM-1 and sICAM-1 in the risk stratification of ACS. MATERIAL AND METHODS: 63 patients - mean age 62.7 ± 9.5 years (26 women, 37 men) - were included in the study. Patients were divided into two groups: I - patients with acute coronary syndrome (ACS) diagnosed by coronary angiography (n = 45: 15 women; 30 men); and II - patients without apparent CAD in coronary angiography (n = 18: 11 women, 7 men). In both groups, samples required for sVCAM-1 and sICAM-1 level measurements were collected before the angiography. RESULTS: Mean age, prevalence of arterial hypertension, diabetes mellitus and chronic kidney disease did not differ between the groups. Levels of sVCAM-1 and sICAM-1 were significantly higher in group I (group I vs. group II: 850.3 ± 337.9 vs. 675.9 ± 178.8; p = 0.02 and 737.2 ± 353.5 vs. 428.5 ± 157.3; p = 0.001 respectively). ROC analysis revealed that there is significantly higher risk of ACS above the level of 700.15 ng/mL for sVCAM-1 and 407.8 ng/mL for sICAM-1. The level of sVCAM-1 was also found to be an independent risk factor of NSTEMI, OR 1.003 (95% CI: 1.0007-1.004); p = 0.007, but not of STEMI (p > 0.05). CONCLUSIONS: Levels of sVCAM-1 and sICAM-1 were found to be negative predictors of acute coronary syndrome. Further studies should assess the relationship between sVCAM-1 and sICAM-1 levels and the survival of patients suffering from CAD.
OBJECTIVES: Cell adhesion molecules (CAM) are thought to have a great impact on endothelium functioning. Interaction between CAM and a receptor may lead to macrophage activation and the release of multiple enzymes such as elastases and colagenases. These enzymes can, in turn, play a role in atherosclerotic plaque destabilization and initiation of acute coronary syndrome (ACS). The main aim of this study was to assess the role of sVCAM-1 and sICAM-1 in the risk stratification of ACS. MATERIAL AND METHODS: 63 patients - mean age 62.7 ± 9.5 years (26 women, 37 men) - were included in the study. Patients were divided into two groups: I - patients with acute coronary syndrome (ACS) diagnosed by coronary angiography (n = 45: 15 women; 30 men); and II - patients without apparent CAD in coronary angiography (n = 18: 11 women, 7 men). In both groups, samples required for sVCAM-1 and sICAM-1 level measurements were collected before the angiography. RESULTS: Mean age, prevalence of arterial hypertension, diabetes mellitus and chronic kidney disease did not differ between the groups. Levels of sVCAM-1 and sICAM-1 were significantly higher in group I (group I vs. group II: 850.3 ± 337.9 vs. 675.9 ± 178.8; p = 0.02 and 737.2 ± 353.5 vs. 428.5 ± 157.3; p = 0.001 respectively). ROC analysis revealed that there is significantly higher risk of ACS above the level of 700.15 ng/mL for sVCAM-1 and 407.8 ng/mL for sICAM-1. The level of sVCAM-1 was also found to be an independent risk factor of NSTEMI, OR 1.003 (95% CI: 1.0007-1.004); p = 0.007, but not of STEMI (p > 0.05). CONCLUSIONS: Levels of sVCAM-1 and sICAM-1 were found to be negative predictors of acute coronary syndrome. Further studies should assess the relationship between sVCAM-1 and sICAM-1 levels and the survival of patients suffering from CAD.
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