Recurrent PSC in Children After Liver Transplantation

M Martinez et al. Hepatology 2021; 74: 2047-2057. Recurrence of Primary Sclerosing Cholangitis After Liver Transplant in Children: An International Observational Study

In this retrospective study, the authors examined recurrent PSC (rPSC) in children who had undergone liver transplantation (LT) with 3 yrs of median followup. Key findings:

  • rPSC occurred in 36 children, representing 10% and 27% of the subjects at 2 years and 5 years following LT, respectively
  • Subjects with rPSC were younger at LT (12.9 vs. 16.2 years), had faster progression from PSC diagnosis to LT (2.5 vs. 4.1 years), and had higher alanine aminotransferase (112 vs. 66 IU/L) at LT (all P < 0.01)
  • After LT, rPSC subjects had more episodes of biopsy-proved acute rejection (mean 3 vs. 1; P < 0.001), and higher prevalence of steroid-refractory rejection (41% vs. 20%; P = 0.04)

My take: rPSC, not surprisingly, was associated with a more agressive, immunoreactive phenotype prior to LT characterized by younger age, faster progression to end-stage liver disease, higher prevalence of IBD and more frequent/difficult allograft rejection

Related blog posts:

Bahamas (courtesy of Mark Martin)

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