Abstract
Steroid-resistant rejection (SRR) in liver transplant occurs in about 10% of T cell-mediated rejection; prognosis of SRR is known to be worse than steroid-sensitive rejection (SSR). Only a few studies describe treatment methods or features for SRR, and there is no clear consensus yet. Therefore, the purpose of this study is to describe the difference between SSR and SRR and to compare the effect of the SRR treatment method performed our institution. This study is a 10-year, retrospective cohort study at Seoul St Mary's Hospital; clinical data were collected from January 2008 to December 2017. Of 663 cases, 154 patients (23.3%) underwent steroid pulse therapy for rejection; we excluded 30 patients who did not undergo liver biopsy. A total of 124 patients (18.7%) with biopsy-proven rejection were analyzed for this study. Child-Turcotte-Pugh score, cold ischemia time, and cytomegalovirus (CMV) infection showed a statistically significant difference in 2 groups. Multivariate analysis was performed on risk factors of SRR at first rejection. CMV infection and total bilirubin at first rejection and numbers of rejection were significant results. Both overall survival and allograft survival rate of SSR are higher than SRR (P < .001). Of second-line treatment patients, 13 patients (54.2%) recovered, and 11 patients (45.8%) failed to recover. Survival was the highest in patients using antithymocyte globulin and in patients with liver retransplant. When the first rejection in liver transplant occurs, patients with high bilirubin level and previous CMV infections are more likely to have SRR, so if they do not respond to steroid pulse therapy for the first time, either using antithymocyte globulin or liver retransplant preparation should be considered.
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