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The particular interactions of the traditional cardiovascular risk factors with different circulating specific leukocyte subtype counts in blood: an observational study [Anatol J Cardiol]
Anatol J Cardiol. 2011; 11(7): 573-581 | DOI: 10.5152/akd.2011.158  

The particular interactions of the traditional cardiovascular risk factors with different circulating specific leukocyte subtype counts in blood: an observational study

Sinan Altan Kocaman1, Asife Şahinarslan2, Tolga Kunak2, Serhat Balcıoğlu3, Mustafa Çetin1, Mustafa Cemri2, Timur kaynak4, Bülent Boyacı5, Atiye Çengel1
1Clinic of Cardiology, Rize Education and Research Hospital, Rize-Turkey
2Department of Cardiology, Faculty of Medicine, Gazi University, Ankara
3Department of Cardiology, Faculty of Medicine, Gazi University, Ankara, Turkey
4Department of Cardiology, Faculty of Medicine, Gazi University, Ankara, Turkey
5Gazi Üniversitesi Tıp Fakültesi, Kardiyoloji Anabilim Dalı, Ankara, Türkiye

Original Article The particular interactions of the traditional cardiovascular risk factors with different circulating specific leukocyte subtype counts in blood: an observational study Sinan Altan Kocaman 1, Asife Şahinarslan 2, Tolga Kunak 2, Serhat Balcıoğlu 3, Mustafa Çetin 1, Mustafa Cemri 2, Timur Timurkaynak 4, Bülent Boyacı 5, Atiye Çengel 1 1 Clinic of Cardiology, Rize Education and Research Hospital, Rize-Turkey 2 Department of Cardiology, Faculty of Medicine, Gazi University, Ankara 3 Department of Cardiology, Faculty of Medicine, Gazi University, Ankara, Turkey 4 Department of Cardiology, Faculty of Medicine, Gazi University, Ankara, Turkey 5 Gazi Üniversitesi Tıp Fakültesi, Kardiyoloji Anabilim Dalı, Ankara, Türkiye Anatol J Cardiol 2011; 11: 573-581 DOI: 10.5152/akd.2011.158 This article was viewed 194 times, downloaded 232 times Key Words: Coronary artery disease, inflammatory cells, neutrophil, monocyte, lymphocyte, cardiovascular risk factors, neutrophil-to-lymphocyte ratio, regression analysis Full Text (PDF)Related ArticlesSend a commentShare Abstract Objective: The pathogenesis of atherosclerosis is multifactorial, however the impact of inflammatory cells in this process is well known. Different traditional cardiovascular risk factors (CVRFs) may have specifically different effects on leukocyte subtype. Thus, these special interactions may induce different vascular involvement forms due to the altered endothelial damage and vascular repair mechanisms. The aim of the present study was to investigate whether there is any specific relationship between the leukocyte subtypes and the traditional CVRFs and to evaluate the independency of possible relationships. Methods: The study had a cross-sectional observational design. The study population consisted of the patients who underwent coronary angiography with a suspicion of coronary artery disease (CAD) at our institution in an outpatient manner. We enrolled 677 consecutive eligible patients with CAD or normal coronary arteries (NCA) and investigated the associations of traditional CVRFs, demographic properties and biochemical parameters including fasting plasma glucose (FPG), creatinine, serum uric acid level (SUA) and lipids with total circulating inflammatory cell (WBC, leukocytes) and subtype counts including neutrophils (N), lymphocytes (L) and monocytes (M). As a dependent variable, total leukocyte count and subtypes, and neutrophil/lymphocyte ratio (N/L ratio) which has been found to being related with increased vascular risk and events were investigated in the groups determined by the presence or absence of CVRFs and CAD by the univariate analyses and then multiple linear regression analyses. Results: When we performed multiple linear regression analyses to determine the independent associations of inflammatory cell subtypes, we have found that FPG had an independent incremental association with WBC (β±SE: 4.2±1.4, p=0.004) and N (β±SE: 4.2±1.2, p=0.001). Current smoking had an independent incremental association with WBC and all cell subtypes (for WBC, N, L, and M: β±SE: 748±161, p<0.001; β±SE: 556±136, p<0.001; β±SE: 185±69, p=0.007; β±SE: 38±20, p=0.061, respectively) and SUA had an independent incremental association with WBC (β±SE: 115±43, p=0.008), N (β±SE: 107±38, p=0.005) and M (β±SE: 26±6, p<0.001). Hypertension had an independent incremental association with WBC (β±SE: 431±140, p=0.002) and N (β±SE: 315±118, p=0.008). Male gender had an independent incremental association with only M (β±SE: 52±20, p=0.010). Family history of CAD had an independent decremental association with WBC (β±SE: -327±139, p=0.019) and N (β±SE: -326±121, p=0.007). Finally, age had an independent decremental association with WBC (β±SE: -32±7, p<0.001) and L (β±SE: -16±3, p<0.001). The N/L ratio was independently related with increased age (p<0.001), FPG (p=0.003) and SUA (p=0.012). Conclusion: Our study results demonstrate that leukocyte subtypes have different specific associations with traditional CVRFs. We found that FPG affects specifically N while SUA affects specifically N and M, and current smoking affects nonspecifically on all cell subtypes. While hypertension with N and male gender with M were specifically related, age and family history of CAD were only related to L. These different interactions may lead to different endothelial damage and vascular repair mechanisms.

Keywords: Coronary artery disease, inflammatory cells, neutrophil, monocyte, lymphocyte, cardiovascular risk factors, neutrophil-to-lymphocyte ratio, regression analysis


Sinan Altan Kocaman, Asife Şahinarslan, Tolga Kunak, Serhat Balcıoğlu, Mustafa Çetin, Mustafa Cemri, Timur kaynak, Bülent Boyacı, Atiye Çengel. The particular interactions of the traditional cardiovascular risk factors with different circulating specific leukocyte subtype counts in blood: an observational study. Anatol J Cardiol. 2011; 11(7): 573-581


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