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  • Title: Long-term nutrition and predictors of growth and weight gain following pediatric intestinal transplantation.
    Author: Venick RS, Wozniak LJ, Colangelo J, Beckwith P, Reyen L, Esmailian YA, McDiarmid SV, Vargas JH, Ament ME, Busuttil RW, Farmer DG.
    Journal: Transplantation; 2011 Nov 15; 92(9):1058-62. PubMed ID: 21869734.
    Abstract:
    BACKGROUND: Advances in intestinal transplantation (ITx) have resulted in improved survival and the opportunity to examine nutritional outcomes. The aim of this study was to describe detailed, long-term nutritional results and identify positive predictors of growth and weight gain following pediatric ITx. METHODS: A single-center retrospective, Institutional Review Board-approved review of a prospective database was conducted. Inclusion criteria were ITx recipients 18 years or younger with survival of 6 months or more. Outcomes included anthropometric measurements and biochemical markers at 6, 12, 24, 36, and 48 months post-ITx. More than 25 ITx-related variables were analyzed as potential predictors of growth and weight gain. Statistical analysis was performed using chi-square test, t test, and analysis of variance. RESULTS: Between November 1991 and April 2007, 50 children received 55 ITx; 33 patients met eligibility criteria. Median age at ITx was 2.2 years, follow-up time was 3.8 years, and time from ITx to cessation of total parenteral nutrition was 31 days. The most common micronutrient deficiencies post-ITx were zinc, iron, and copper. Serum protein levels improved significantly over time. Weight gain occurred within 6 months and vertical growth within 12 months, although limited catch-up growth was seen. Early predictors of weight gain and growth included shorter hospitalization and absence of rejection. Long-term predictors were low steroid dosage, infrequent hospitalization, and the use of peptide-based formulas. CONCLUSIONS: This represents one of the largest and most comprehensive long-term studies on nutritional outcomes in pediatric ITx. Overall, positive growth and weight gain were seen as were micronutrient deficiencies. Numerous long-term nutritional challenges exist which require a multidisciplinary approach and future prospective studies.
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