Abstract
Low-grade chronic inflammation may impact liver disease. We investigated the extent to which circulating GlycA, a glycoprotein biomarker of low-grade inflammation, and high-sensitivity C-reactive protein (hs-CRP) are altered in patients with cirrhosis and liver transplant recipients (LTRs) and examined their associations with all-cause mortality. Plasma GlycA (nuclear magnetic resonance spectroscopy) and hs-CRP (nephelometry) were assessed in 129 patients with cirrhosis on the waiting list for liver transplantation and 367 LTRs (TransplantLines cohort study; NCT03272841) and compared with 4837 participants from the population-based PREVEND cohort. GlycA levels were lower, while hs-CRP levels were higher in patients with cirrhosis compared to PREVEND participants (p < 0.001). Notably, GlycA increased, but hs-CRP decreased after transplantation. In LTRs, both GlycA and hs-CRP levels were higher than in PREVEND participants (p < 0.001). Survival was impaired in patients with cirrhosis and LTRs with the highest GlycA and the highest hs-CRP tertiles. In Cox regression analysis, GlycA remained associated with mortality in cirrhotic patients after adjusting for potential confounders and for hs-CRP (HR per 1-SD increment: 2.34 [95% CI 1.07-5.13]), while the association with hs-CRP after adjusting was lost. In LTRs, both GlycA and hs-CRP were also associated with mortality (adjusted HR: 1.60 [95% CI: 1.2-2.14] and 1.64 [95% CI: 1.08-2.51], respectively) but not independent of each other. GlycA increases while hs-CRP decreases after liver transplantation. Both inflammatory markers may be associated with all-cause mortality in cirrhotic patients and LTRs, while the association for GlycA seems at least as strong as that for hs-CRP.
Published Version
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