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Abstract Details
Decreasing interleukin-6 levels after TIPS predict outcomes in decompensated cirrhosis.
Kornfehl, Andrea (A);Tiede, Anja (A);Hemetsberger, Paul (P);Kappel, Julia (J);Müllner-Bucsics, Theresa (T);Stockhoff, Lena (L);Rieland, Hannah (H);Reider, Lukas (L);Dominik, Nina (N);Kramer, Georg (G);Trauner, Michael (M);Mandorfer, Mattias (M);Falk, Christine (C);Maasoumy, Benjamin (B);Reiberger, Thomas (T);Hartl, Lukas (L);
BACKGROUND & AIMS: Transjugular intrahepatic portosystemic shunt (TIPS) effectively treats complications of cirrhosis. Systemic inflammation (SI) is linked to acute-on-chronic liver failure (ACLF) and liver-related death. We aimed to assess the trajectory and clinical impact of SI parameters after TIPS implantation.
METHODS: Consecutive patients undergoing elective implantation of covered TIPS for recurrent/refractory ascites or portal-hypertensive bleeding at the Medical University Vienna (NCT03409263; n = 58) and at the Hannover Medical School (NCT04801290, n = 51) were included. IL-6 was assessed at baseline (BL), 3 months (M3) and up to 6 (M6; Hannover cohort) or 9 months (M9; Vienna cohort) of follow-up; C-reactive protein (CRP) and lipopolysaccharide-binding protein (LBP) were assessed in the Vienna cohort only.
RESULTS: In 109 patients (66.1% male, median age 57 years) receiving TIPS mainly (72.4%) by indication ascites the median BL IL-6 levels were 10.5 pg/ml; and 41.3% (n = 45/109) patients exhibiting IL-6 ≥14 pg/ml. From BL to M3, IL-6 decreased in 63.8% (n = 37/58; Vienna cohort) and in 68.6% (n = 35/51; Hannover cohort) of patients, respectively. Similar rates of decreases were observed also for CRP (in 62.1%) and for LBP (in 77.4%). A considerable IL-6 reduction (≥50% of baseline) was noted in 41 (37.6%) patients during follow-up. Competing risk regression in the combined cohort adjusted for age, albumin, and model for end-stage liver disease revealed that IL-6 decrease at M3 was an independently protective factor for the development of ACLF (adjusted subdistribution hazard ratio [asHR]: 0.26; 95% CI: 0.09-0.77; = 0.016) and liver-related death (asHR: 0.26; 95% CI: 0.07-0.95; = 0.042).
CONCLUSIONS: TIPS leads to a sustained reduction of SI and bacterial translocation in patients with decompensated cirrhosis. Decreasing IL-6 levels three months after TIPS implantation indicate a lower risk of ACLF and liver-related death in patients with cirrhosis.
IMPACT AND IMPLICATIONS: Systemic inflammation is a major driver of disease progression in patients with decompensated advanced chronic liver disease (dACLD). This study demonstrates that systemic inflammation ( interleukin-6 [IL-6]) effectively and sustainedly decreases after transjugular intrahepatic portosystemic shunt (TIPS) implantation. A decrease of IL-6 3 months after TIPS implantation is a protective factor for acute-on-chronic liver failure and liver-related death. Thus, our results suggest that TIPS reduces systemic inflammation in a clinically meaningful way.
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