Home Bratislava Medical Journal 2018 Bratislava Medical Journal Vol.119, No.10, p.646–650, 2018

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345
 

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Bratislava Medical Journal Vol.119, No.10, p.646–650, 2018

Title: Humoral predictors of ankle-brachial index in patients with peripheral arterial disease and controls
Author: M. Valkova, I. Lazurova, D. Petrasova, M. Frankovicova, I. Dravecka

Abstract: INTRODUCTION: Peripheral arterial disease (PAD) is a common condition due to atherosclerosis with high prevalence in population over 55 years. Although its pathophysiology is well recognized, the role of inflammatory markers is still not fully known.
OBJECTIVES: The aim of the study was to assess the relation of C-reactive protein (CRP), tumor necrosis factors-alpha (TNF-alpha) and interleukin-6 (IL-6) to ankle-brachial index (ABI) and metabolic variables in patients with PAD. The second aim was to find the most significant humoral predictor of ABI.
PATIENTS AND METHODS: The study groups consisted of 55 patients (36 men and 19 women) diagnosed with PAD (age 63.65 ± 6.11 years) and 34 control subjects (7 men, 27 women) of average age 59.88 ± 6.10 years with ABI > 0.9. Blood samples were analyzed for glycaemia, lipid profile and inflammatory markers (CRP, TNF-alpha and IL-6).
RESULTS: A significantly higher serum total cholesterol (p = 0.04), triglycerides (p = 0.005) and lower HDL cholesterol (p < 0.0001) were found in the PAD group as compared to controls. Patients with PAD had significantly higher serum glucose (p = 0.008), CRP (p = 0.0044), IL-6 (p < 0.0001) and TNF-α (p < 0.0001) in comparison to controls. In a multiple linear regression analysis among variables log IL-6 and log HDL cholesterol were most significantly related to ABI (LW 4.75 for log IL-6, LW 4.016 for log HDL cholesterol, respectively, p < 0.01) in all subjects.
CONCLUSIONS: We conclude that among traditional and humoral risk factors IL-6 is the strongest predictor of ABI. HDL cholesterol is also significant and strong predictor of decreased ABI and could be a potential biomarker of PAD in patients using lipid lowering drugs (Tab. 1, Ref. 31).

Keywords: peripheral arterial disease, CRP, TNF-alpha, interleukin-6, lipid profile
Published online: 20-Oct-2018
Year: 2018, Volume: 119, Issue: 10 Page From: 646, Page To: 650
doi:10.4149/BLL_2018_114


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