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  • Title: Safety and early outcomes using a corticosteroid-avoidance immunosuppression protocol in pediatric heart transplant recipients.
    Author: Singh TP, Faber C, Blume ED, Worley S, Almond CS, Smoot LB, Dillis S, Nasman C, Boyle GJ.
    Journal: J Heart Lung Transplant; 2010 May; 29(5):517-22. PubMed ID: 20061164.
    Abstract:
    BACKGROUND: Long-term oral corticosteroids have been a mainstay of maintenance immunosuppression in pediatric heart transplantation. In this study, we report early clinical outcomes in a cohort of pediatric heart transplant recipients managed using a steroid-avoidance protocol. METHODS: Of the 70 patients who underwent heart transplantation during the study period, 55 eligible recipients, including 49 non-sensitized and 6 sensitized (all 55 with negative crossmatch) patients, entered a steroid-avoidance immunosuppression protocol consisting of thymoglobin induction followed by a 2-drug, tacrolimus-based, corticosteroid-free regimen. The primary outcome variable was freedom from moderate rejection (International Society for Heart and Lung Transplantation [ISHLT] Grade 2R/3A or antibody-mediated rejection). RESULTS: The median age at transplant was 7.1 years (range 2 weeks to 22 years) and median follow-up was 19 months (range 2 to 46 months). Fifty patients survived to discharge after transplantation. Of these patients, 2 (4%) were discharged on steroids and 8 (16%) started on maintenance steroids at follow-up. Rejection was diagnosed in 8 patients (Grade 2R cellular rejection in 3 and antibody-mediated rejection in 5). Freedom from rejection was 92% at 6 months (95% confidence interval [CI] 80% to 97%) and 87% at 1 year (CI 73% to 94%). Post-transplant survival was 91% at 6 months (CI 79% to 96%) and 88% at 12 and 24 months (CI 75% to 95%). There was 1 death due to rejection (antibody-mediated) 8 months after transplantation. CONCLUSIONS: An immunosuppression protocol consisting of induction followed by corticosteroid avoidance appears to achieve acceptable rejection rates during the first year post-transplant in pediatric heart transplant recipients.
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