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The objective of the present study was to report on the health-related quality of life (HRQOL) of infants with chronic liver disease using the PedsQL (Pediatric Quality of Life Inventory) Infant Scales.The 36-item (ages 1-12 months) and 45-item (ages 13-24 months) PedsQL Infant Scales (physical functioning, physical symptoms, emotional functioning, social functioning, cognitive functioning) were completed by 50 parents of infants with chronic liver disease.Infants ages 1 to 12 months had significantly lower HRQOL scores compared with a matched healthy sample. Infants 13 to 24 months trended to lower physical HRQOL scores that did not reach statistical significance. Recent hospitalizations had an impact on the majority of HRQOL subscales, as did ascites, and failure to thrive.Infants ages 1 to 12 months with chronic liver disease demonstrate lower HRQOL compared with healthy children with physical subscales being most severely affected. The PedsQL Infant Scales allow the definition of HRQOL during a critical period of an infants' development that has been heretofore difficult to measure.

Objectives: Partial external bile diversion (PEBD) is an established therapy for low-gamma-glutamyl transferase (GGT) progressive familial intrahepatic cholestasis (PFIC). This study sought to determine whether the dynamics of the cholic acid (CA) and chenodeoxycholic acid (CDCA) pools in subjects with low-GGT-PFIC with successful PEBD were equivalent to those achieved with successful liver transplantation (LTX).Methods: The kinetics of CA and CDCA metabolism were measured by stable isotope dilution in plasma samples in 5 subjects with PEBD, all with intact canalicular bile salt export pump expression and compared with subjects with low-GGT-PFIC with successful LTX. Stomal loss of bile acids was measured in subjects with PEBD.Results: The fractional turnover rate for CA in the PEBD group ranged from 0.5 to 4.2/day (LTX group, range 0.2-0.9/day, P = 0.076) and for CDCA from 0.7 to 4.5/day (LTX group 0.3-0.4/day, P = 0.009). The CA and CDCA pool sizes were equivalent between groups; however, pool composition in PEBD was somewhat more hydrophilic. The CA/CDCA ratio in PEBD ranged from 0.9 to 49.5, whereas in LTX it ranged from 0.5 to 2.6. Synthesis rates computed from isotope dilution correlated well with timed output for both CA (r(2) = 0.760, P = 0.024) and CDCA (r(2) = 0.690, P=0.021).Conclusions: PEBD results in bile acid fractional turnover rates greater than LTX, pool sizes equivalent to LTX, and pool composition that is at least as hydrophilic as produced by LTX.

Objectives To prospectively assess the value of serum total bilirubin (TB) within 3 months of hepatoportoenterostomy (HPE) in infants with biliary atresia as a biomarker predictive of clinical sequelae of liver disease in the first 2 years of life. Study design Infants with biliary atresia undergoing HPE between June 2004 and January 2011 were enrolled in a prospective, multicenter study. Complications were monitored until 2 years of age or the earliest of liver transplantation (LT), death, or study withdrawal. TB below 2 mg/dL (34.2 μM) at any time in the first 3 months (TB Results Fifty percent (68/137) of infants had TB P P P P P = .0002), LT (OR 12.4, 95% CI 5.3-28.7, P P Conclusions Infants whose TB does not fall below 2.0 mg/dL within 3 months of HPE were at high risk for early disease progression, suggesting they should be considered for LT in a timely fashion. Interventions increasing the likelihood of achieving TB Trial registration ClinicalTrials.gov: NCT00061828 and NCT00294684.

To investigate the relationship between abdominal ultrasound findings and demographic, historical, and clinical features in children with cystic fibrosis (CF).Children age 3-12 years with CF without known cirrhosis, were enrolled in a prospective, multicenter study of ultrasound to predict hepatic fibrosis. Consensus ultrasound patterns were assigned by 3 radiologists as normal, heterogeneous, homogeneous, or cirrhosis. Data were derived from direct collection and US or Toronto CF registries. χ(2) or ANOVA were used to compare variables among ultrasound groups and between normal and abnormal. Logistic regression was used to study risk factors for having abnormal ultrasound.Findings in 719 subjects were normal (n = 590, 82.1%), heterogeneous (64, 8.9%), homogeneous (41, 5.7%), and cirrhosis (24, 3.3%). Cirrhosis (P = .0004), homogeneous (P.0001), and heterogeneous (P = .03) were older than normal. More males were heterogeneous (P = .001). More heterogeneous (15.0%, P = .009) and cirrhosis (25.0%, P = .005) had CF-related diabetes or impaired glucose tolerance vs normal (5.4%). Early infection with Pseudomonas aeruginosa (2 years old) was associated with a lower risk (OR 0.42, P = .0007) of abnormal. Ursodeoxycholic acid use (OR 3.69, P.0001) and CF-related diabetes (OR 2.21, P = .019) were associated with increased risk of abnormal.Unsuspected cirrhosis is seen in 3.3% of young patients with CF, heterogeneous in 8.9%. Abnormal ultrasound is associated with CF-related diabetes, and early P aeruginosa is associated with normal ultrasound. Prospective assessment of these risk factors may identify potential interventional targets.ClinicalTrials.gov: NCT01144507.