Abstract: Hidradenitis suppurativa (HS) is a chronic inflammatory disease associated with an increased prevalence of subclinical atherosclerosis and cardiovascular risk. Angiopoietin-2 (Ang-2), asymmetric dimethylarginine (ADMA), and osteoprotegerin (OPG) are molecules related to endothelial dysfunction (ED) and atherosclerosis, but also to disease severity in patients with chronic inflammatory disorders. In this case-control study, we aimed to investigate serum Ang-2, ADMA, and OPG levels in patients with HS, and to assess the potential relationship between these levels and disease severity. Seventy-five patients with HS and 60 controls were assessed. Serum Ang-2, ADMA, and OPG concentrations were determined in all participants. HS patients had significantly higher Ang-2 and ADMA levels than controls after adjusting for confounders. Besides, Ang-2 concentrations positively correlated with disease severity in the adjusted multivariable analysis. Nevertheless, serum OPG levels did not significantly differ between HS patients and controls. Our results indicate that serum Ang-2 and ADMA levels are significantly increased in patients with HS. Furthermore, Ang-2 might be a suitable marker of HS severity.
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