Impact of donor and recipient hepatitis C status in lung transplantation.
Studies of lung transplantation in the setting of donors or recipients with hepatitis C virus (HCV) have been limited but have raised concerns about outcomes associated with this infection.Lung transplant cases in the United Network for Organ Sharing (UNOS) database from 1994 to 2011 were analyzed for the HCV status of both donor and recipient. First, among HCV-negative recipients, those who received a lung from an HCV-positive donor (HCV(+) D) were compared with those who received an HCV-negative lung (HCV(-) D). Donor, recipient and operative characteristics as well as outcomes were compared between groups, and overall survival was compared after adjustment for confounders. In a second analysis, HCV-positive recipients (HCV(+) R) were compared with HCV-negative recipients (HCV(-) R). The analysis was stratified by era (1994 to 1999 and 2000 to 2011) and long-term survival was compared.Of 16,604 HCV-negative patients in the UNOS database, 28 (0.2%) received a lung from an HCV(+) D, with use of HCV(+) D decreasing significantly over time. Overall survival (OS) was shorter in the HCV(+) D group (median survival: 1.3 vs 5.1 years; p = 0.002). Results were confirmed in adjusted analyses. After inclusion criteria were met, 289 (1.7%) of the lung transplant recipients were HCV(+) R. These patients appeared similar to their HCV(-) R counterparts, except they were older and had more limited functional status. OS was significantly lower in HCV-positive individuals during the early era (median survival: 1.7 vs 4.5 years; p = 0.004), but not the recent era (median survival: 4.4 vs 5.4 years; p = 0.100). Again, results were confirmed by adjusted analysis.HCV-positive status is a rare problem when considering both lung recipients and donors. Current data demonstrate significantly worse outcomes for HCV-negative patients receiving an HCV(+) lung; however, since 2000, HCV(+) recipients undergoing lung transplantation appear to have survival approximating that of HCV(-) recipients, an improvement from previous years. Recent medical advances in treatment for HCV may further improve outcomes in these groups.
Englum, BR; Ganapathi, AM; Speicher, PJ; Gulack, BC; Snyder, LD; Davis, RD; Hartwig, MG
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