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Minerva Endocrinology 2021 March;46(1):116-23

DOI: 10.23736/S2724-6507.20.03158-2


language: English

The evaluation of the role of BMI and insulin resistance on inflammatory markers, PAI-1 levels and arterial stiffness in newly diagnosed type 2 diabetes mellitus patients

Nizameddin KOCA 1 , Koray AYAR 2, Öznur BAL 3, Canan ERSOY 4

1 Department of Internal Medicine, University of Health Sciences, Bursa Yuksek Ihtisas Training and Research Hospital, Bursa, Turkey; 2 Department of Rheumatology, University of Health Sciences, Bursa Yuksek Ihtisas Training and Research Hospital, Bursa, Turkey; 3 Department of Medical Oncology, Ankara Numune Training and Research Hospital, Ankara, Turkey; 4 Department of Internal Medicine, Division of Endocrinology and Metabolism, Uludag University Hospital, Bursa, Turkey

BACKGROUND: Increased cardiovascular risk, represented by endothelial inflammation, probably starts with the very first course of type-2 diabetes (T2DM). Almost 85.2% of all T2DM patients are overweight or obese. Thrombosis accounts 80% of all deaths in patients with diabetes. The thrombotic-fibrinolytic equilibrium shifts in favor of thrombosis by plasminogen activator inhibitor-1 (PAI-1). PAI-1 secretion is induced primarily by CRP. PAI-1 overexpression predisposes unstable plaque development. The contribution of obesity and diabetes to this process is not clearly understood. In this study, we aimed to investigate comparison of inflammatory markers, PAI-1 levels and arterial stiffness according to BMI and impaired glucose metabolism in patient with newly diagnosed T2DM.
METHODS: Newly diagnosed 60 T2DM patients were enrolled. Demographics and measurements were noted. Liver (AST, ALT), kidney (urea, creatinine, albumin/creatinine ratio), metabolic (fasting blood glucose, post-prandial blood glucose, insulin, c-peptide, HbA1c, total cholesterol, low-density lipoprotein [LDL], high-density lipoprotein [HDL], triglyceride) parameters, inflammatory markers [hsCRP, fibrinogen]), PAI-1 levels and pulse wave velocity was measured from all participants. The results were compared.
RESULTS: Inflammatory markers and PAI-1 levels were significantly elevated in obese group compared to overweight participants. The correlation analysis showed that waist and hip circumferences, high-sensitive CRP, fibrinogen and PAI-1 levels were positively correlated with BMI but not with HbA1c levels.
CONCLUSIONS: The results of our study showed that lipid levels, glycemic and blood pressure values of the obese and overweight patients were similar. BMI affects inflammatory markers and PAI-1 levels independent of glucose regulation and insulin resistance in newly diagnosed T2DM. According to the current study BMI is found to be more prominent in terms of inflammatory markers and PAI-1 levels compared to insulin resistance and impaired glucose metabolism in newly diagnosed T2DM.

KEY WORDS: Obesity; Diabetes Mellitus, Type 2; Inflammation; Plasminogen Activator Inhibitor 1; Vascular stiffness

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