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  • Title: Evaluation of catch-up growth after liver transplantation in children with biliary atresia.
    Author: Alonso G, Duca P, Pasqualini T, D'Agostino D.
    Journal: Pediatr Transplant; 2004 Jun; 8(3):255-9. PubMed ID: 15176963.
    Abstract:
    Orthotopic liver transplantation (Tx) has improved survival in infants with extrahepatic biliary atresia (BA) when portoenteroanastomosis fails. Symptoms leading to Tx include liver failure, poor quality of life and growth failure. The objective of the study was to determine catch-up growth in children with BA. Medical records and growth data of 36 patients (24 girls) who received a Tx due to BA were analyzed. Thirty-two patients completed 3 yr and 15 patients 7 yr of follow-up after Tx. At Tx, the median age was 2.7 yr (range 0.7-12.6) and mean height Z score (+/-s.d.) was -1.56 (+/-1.3). Patients were divided in two groups according to age at Tx: group I (n = 10), younger than 1.0 yr, and group II (n = 26) older than 1.0 yr. Median age (range) at Tx in group I was 0.8 yr (0.7-1.0) and in group II it was 3.35 yr (1.25-12.6). Thirteen patients (nine in group I) were receptors of living related donors. We evaluated linear growth, liver and renal function, immunosuppressive regimen and allograft rejection episodes. We did not find any significant differences in allograft or renal function, immunosuppressive therapy and number of acute rejection episodes or height Z score at Tx, second and third year post-Tx between both groups. The mean height Z score at Tx in group I was -1.61 and in group II -1.54; at the second year, group I -0.66 and group II -1.08; at the third year, group I -0.17 and group II -0.85; and at the seventh year (total group) -0.3. However, the height gain at the third year was better in group I than in group II (p < 0.01, t-test). Height Z score at the third year improved more than 1 SDS in seven out of eight patients in group I and in only nine out of 24 in group II (odds ratio 11.6). We also found a correlation between height gain at the third year and age at Tx (r-0.65) and between height gain at the third year and height Z score at Tx (r-0.54) (Pearson, p < 0.05). Children with BA who are transplanted before 12 months of age presented better catch-up growth without change survival and morbidity. Orthotopic liver Tx improves survival and also enables height gain in these children.
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