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Impact of hepatitis C virus on renal transplantation: association with poor survival
S Pedroso1, L Martins, I Fonseca
1Nephrology and Transplant Departments, Hospital Geral de Santo António, Largo Professor Abel Salazar, 4050-011 Porto, Portugal. sofiapedroso@sapo.pt
Insights
Hepatitis C virus (HCV) infection significantly lowers patient and kidney transplant survival rates. HCV-positive recipients experienced more infectious deaths, highlighting the virus's detrimental impact on long-term outcomes.
Area of Science:
- Nephrology
- Virology
- Transplantation Immunology
Background:
- Conflicting data exists on hepatitis C virus (HCV) impact on renal transplant outcomes.
- HCV infection is a significant global health concern, particularly in transplant populations.
Purpose of the Study:
- To evaluate the long-term effects of HCV infection on patient and allograft survival in renal transplant recipients.
- To compare outcomes between HCV-positive and HCV-negative kidney transplant patients.
Main Methods:
- Retrospective study of renal transplant recipients from July 1983 to December 2004.
- Comparison of HCV-positive (n=155) and HCV-negative (n=1044) groups.
- Analysis of patient/donor characteristics, graft survival, patient survival, and causes of death.
Main Results:
- HCV-positive recipients had longer dialysis times, more transfusions, and more prior transplants.
- No difference in acute rejection rates between groups.
- Significantly lower patient and graft survival in HCV-positive recipients.
- Increased infectious cause mortality in HCV-positive patients.
Conclusions:
- HCV infection negatively impacts renal allograft and patient prognosis.
- HCV poses a significant risk for infectious complications post-transplant.
- HCV screening and management are crucial for improving transplant outcomes.
Abstract:
Data concerning the effect of hepatitis C virus (HCV) infection on the long-term outcome of patient and allograft survival are conflicting. We performed a retrospective study including all renal transplant recipients who underwent the procedure at our center between July 1983 and December 2004. We compared HCV-positive (n = 155) versus HCV-negative (n = 1044) recipients for the prevalence of anti-HCV, patient/donor characteristics, and graft/patient survival. The prevalence of HCV-positive patients was 12%. The anti-HCV positive recipients displayed a longer time on dialysis (P < .001), more blood transfusions prior to transplant (P < .001), and a higher number of previous transplants (P < .001). There were no differences in the incidence of acute rejection between the two groups. Patient (P = .006) and graft survival (P = .012) were significantly lower in the HCV-positive than the HCV-negative group. Graft survival censored for patient death with a functioning kidney did not differ significantly between HCV-positive and HCV-negative recipients (P = .083). Death from infectious causes was significantly higher among the HCV-positive group (P = .014). We concluded that HCV infection had a significant detrimental impact on patient and renal allograft prognosis. Death from infectious causes was significantly more frequent among HCV-positive than the non-HCV population.
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