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Liver TX for hepatitis C cirrhosis in a low prevalence population: risk factors and status at evaluation
Espen Melum1, Erik Schrumpf, Kristian Bjøro
1Section of Gastroenterology and Hepatology, Department of Medicine, Rikshospitalet, Oslo, Norway.
Insights
In Norway, few Hepatitis C virus (HCV) patients undergo liver transplantation (LTX). Most evaluated patients with HCV cirrhosis have risk factors, indicating disease progression is a key factor for LTX consideration.
Area of Science:
- Hepatology
- Transplantation Medicine
- Virology
Background:
- Hepatitis C virus (HCV) cirrhosis is a leading indication for liver transplantation (LTX) globally.
- HCV infection prevalence is notably lower in Norway compared to other countries with published LTX data.
Purpose of the Study:
- To evaluate the characteristics and outcomes of HCV-infected patients referred for LTX in Norway.
- To identify risk factors associated with rapid HCV disease progression in patients evaluated for LTX.
Main Methods:
- A cohort of 51 HCV-infected patients referred for LTX evaluation between 1990 and 2005 was studied.
- Clinical status, biochemical parameters, and risk factors were recorded.
- Patients were followed until January 2005, irrespective of transplantation status.
Main Results:
- Intravenous drug abuse (28%) and contaminated IgG (15%) were primary infection routes.
- 88% of patients had risk factors for rapid HCV progression.
- Listed patients had significantly higher MELD scores (18.4) than unlisted patients (12.1).
- 24 patients received LTX with 1-, 3-, and 5-year survival rates of 81%, 68%, and 68%, respectively.
Conclusions:
- Norway has evaluated a limited number of HCV patients for LTX.
- Nearly all HCV patients evaluated for LTX in Norway exhibit risk factors for cirrhosis development.
Objective:
Hepatitis C virus (HCV) cirrhosis is the most common indication for liver transplantation (LTX) world-wide. The prevalence of HCV infections is much lower in Norway than in most other countries from which data on HCV infection and liver transplantation have been published.
Material And Methods:
Patients with HCV infection referred for evaluation of a possible LTX between 1990 and 2005 were included in the study. Their clinical status, biochemical parameters and risk factors were recorded. All patients were followed until 1 January 2005 irrespective of transplantation status.
Results:
Fifty-one patients were included; 80% were males and 18% were non-Caucasians. Previous intravenous drug abuse (28%) and exposure to contaminated IgG products (15%) were the most common routes of infection. In 45/51 (88%) of the evaluated patients at least one risk factor for rapid progression of HCV disease was identified. Twenty-seven patients were accepted on the waiting list. The MELD (model for endstage liver disease) score for the accepted patients was significantly higher than that for the patients who were not listed because they were found to be too healthy (18.4 versus 12.1, p<0.01). Twenty-four patients (89% of those listed) received a liver allograft; their 1-, 3- and 5-year survival rates following LTX were 81%, 68% and 68%, respectively. Two patients needed a second transplantation.
Conclusions:
A low number of HCV-infected patients have so far been evaluated for LTX in Norway. The present study demonstrates that almost all of the HCV patients progressing to cirrhosis and being evaluated for LTX in Norway have additional risk factors for development of cirrhosis.
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