Monitoring liver transplant rates in persons diagnosed with hepatitis C: a data linkage study, England 2008 to 2017

Georgina Ireland, Ruth Simmons, Matt Hickman, M Ramsay, C Sabin, Sema Mandal

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Abstract

Introduction: Liver transplantation is an important measure of burden from hepatitis C virus (HCV)-associated liver disease.
Aims: To describe transplant rates and survival in individuals with HCV infection from 2008 to 2017 in England through data linkage.
Methods: This is a retrospective observational cohort study. Laboratory reports of HCV infection were linked to the Liver Transplant Registry for individuals aged 15 years and over, first diagnosed between 1998 and 2017. We estimated age-sex standardised incidence rates and used Poisson regression to investigate predictors of liver transplantation and test for a change in incidence after introduction of direct-acting antivirals (DAAs) in 2014. Kaplan-Meier survival analysis was used to calculate post-transplant survival rates.
Results: Of 124,238 individuals diagnosed with HCV infection, 1,480 were registered and 1,217 received a liver transplant. Of individuals registered, 1,395 had post-HCV cirrhosis and 636 had hepatocellular carcinoma (618 also had post-HCV cirrhosis). Median time from HCV diagnosis to transplant was 3.4 years (interquartile range: 1.3–6.8 years). Liver transplant rates were lower 2014–17 compared with 2011–13 (incidence rate ratio: 0.64; 95% confidence interval: 0.55–0.76). Survival rates were 93.4%, 79.9% and 67.9% at 1, 5 and 10 years, respectively. Data linkage showed minimal under-reporting of HCV in the transplant registry.
Conclusion: In the post-DAA era, liver transplant rates have fallen in individuals with HCV infection, showing early impact of HCV treatment scale-up; but the short time from HCV diagnosis to liver transplant suggests late diagnosis is a problem.
Original languageEnglish
Article number1900176
Number of pages8
JournalEurosurveillance
Volume24
Issue number41
DOIs
Publication statusPublished - 10 Oct 2019

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