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  • Title: Immunosuppression in infants with short bowel syndrome undergoing isolated liver transplantation.
    Author: Olio DD, Gupte G, Sharif K, Murphy MS, Lloyd C, McKiernan PJ, Kelly DA, Beath SV.
    Journal: Pediatr Transplant; 2006 Sep; 10(6):677-81. PubMed ID: 16911490.
    Abstract:
    BACKGROUND: Little data exist on immunosuppressive drug absorption in children with short bowel syndrome and intestinal failure associated liver disease (SBS-IFALD). AIM: To evaluate the absorption of immunosuppressive medications in children with SBS-IFALD undergoing isolated liver transplantation (iLTx). METHODS: A retrospective review was performed in children with SBS-IFALD undergoing LTx and comparison made with weight, age-matched children undergoing iLTX (extra-hepatic biliary atresia (EHBA) and normal intestinal length and function). RESULTS: Seven children with SBS-IFALD undergoing iLTx (median residual bowel length, 60 cm, range 40-80) were compared with 15 children undergoing LTx for EHBA. SBS-IFALD children had significantly lower trough tacrolimus levels at three months (5.8 vs. 7.9 ng/mL, p<0.05) and six months (5.0 vs. 8.0 ng/mL, p<0.05), but equivalent levels at 12 months after iLTx. The median calculated dose-normalized concentrations indicated that systemic availability of tacrolimus was comparable in two groups at 3, 6, 12 months (33.1 vs. 23.3; 42.4 vs. 36; 51 vs. 52.9) despite the differences in enteral function. The incidence of acute rejection was 1/7 (SBS-IFALD) and 10/15 (EHBA) group (p = 0.06). CONCLUSION: Children with SBS-IFALD demonstrated adequate absorption of oral tacrolimus without significant acute rejection rate after iLTx suggesting that modification of immunosuppression is not necessary.
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