The role of immunosuppression in long-term graft hepatitis and fibrosis after paediatric liver transplant - comparison of two treatment protocols
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View abstract on PubMed
Summary
This summary is machine-generated.Adding low-dose prednisolone to tacrolimus post-liver transplant reduced chronic hepatitis and fibrosis early on. However, long-term graft fibrosis was similar, suggesting multifactorial causes beyond initial rejection.
Area Of Science
- Transplantation immunology
- Graft histopathology
- Immunosuppression therapy
Background
- High rates of chronic allograft hepatitis and fibrosis observed with long-term cyclosporine monotherapy.
- Previous practice involved steroid-free cyclosporine maintenance post-liver transplant.
- Current practice shifted to tacrolimus with low-dose prednisolone maintenance.
Purpose Of The Study
- To evaluate the impact of a modified immunosuppression strategy on liver graft histopathology.
- To compare chronic hepatitis and fibrosis rates between tacrolimus+prednisolone and cyclosporine-only regimens.
- To assess long-term graft health outcomes following immunosuppression changes.
Main Methods
- Retrospective comparison of two liver transplant cohorts: Tacrolimus+Prednisolone (2000-2009) and Cyclosporine-Only (1985-1996).
- Analysis of protocol liver biopsies and laboratory tests at 5 and 10 years post-transplant.
- Statistical comparison of chronic hepatitis, inflammation, fibrosis, transaminases, IgG levels, and autoantibody status.
Main Results
- Tacrolimus+Prednisolone cohort showed significantly lower rates of chronic hepatitis at 5 and 10 years compared to Cyclosporine-Only.
- Reduced inflammation and fibrosis observed at 5 years in the Tacrolimus+Prednisolone group.
- No significant difference in the degree of graft fibrosis at 10 years between the two groups.
Conclusions
- Enhanced immunosuppression with tacrolimus and prednisolone effectively reduced early chronic allograft hepatitis and fibrosis.
- Findings suggest early graft damage is immunologically driven, potentially a rejection variant.
- Long-term graft fibrosis appears multifactorial, not solely attributable to initial rejection processes.
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