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Background & Aims Many pediatric patients with acute liver failure (PALF) do not receive a specific diagnosis (such as herpes simplex virus or Wilson disease or fatty acid oxidation defects)—they are left with an indeterminate diagnosis and are more likely to undergo liver transplantation, which is contraindicated for some disorders. Strategies to facilitate complete diagnostic testing should increase identification of specific liver diseases and might reduce liver transplantation. We investigated whether performing recommended age-specific diagnostic tests (AS-DTs) at the time of hospital admission reduces the percentage PALFs with an indeterminate diagnosis. Methods We performed a multinational observational cohort study of 658 PALF participants in the United States and Canada, enrolled at 10 medical centers, during 3 study phases from December 1999 through December 2014. A learning collaborative approach was used to implement AS-DT using an electronic medical record admission order set at hospital admission in phase 3 of the study. Data from 10 study sites participating in all 3 phases were compared before (phases 1 and 2) and after (phase 3) diagnostic test recommendations were inserted into electronic medical record order sets. Results The percentage of subjects with an indeterminate diagnosis decreased significantly between phases 1–2 (48.0%) and phase 3 (to 30.8%) (P = .0003). The 21-day cumulative incidence rates for liver transplantation were significantly different among phase 1 (34.6%), phase 2 (31.9%), and phase 3 (20.2%) (P = .030). The 21-day cumulative incidence rates for death did not differ significantly among phase 1 (17.9%), phase 2 (11.9%), and phase 3 (11.3%) (P = .20). Conclusions In a multinational study of children with acute liver failure, we found that incorporating diagnostic test recommendations into electronic medical record order sets accessed at time of admission reduced the percentage with an indeterminate diagnosis that may have reduced liver transplants without increasing mortality. Widespread use of this approach could significantly enhance care of acute liver failure in children.

To determine health-related quality of life (HRQoL) and neurocognitive impairment in survivors of pediatric acute liver failure (PALF).A longitudinal prospective study was conducted. At 6 and 12 months after PALF presentation, surveys of HRQoL were completed for 2- to 19-year-olds and executive functioning for ages 2-16 years. At 12 months, patients 3-16 years of age completed neurocognitive testing. HRQoL scores were compared with a healthy, matched sample. Neurocognitive scores were compared with norms; executive functioning scores were examined categorically.A total of 52 parent-report HRQoL surveys were completed at 6 months, 48 at 12 months; 25 patients completed neurocognitive testing. The median age at 6 months was 7.9 years (range 3.5-15.0), and final diagnosis was indeterminate for 46.2% (n = 24). Self and parent-report on Pediatric Quality of Life Inventory Generic and Multidimensional Fatigue scales fell below the healthy sample at 6 months and 12 months (almost all P .001). Children reported lower mean scores on cognitive fatigue at 12 months (60.91 ± 22.99) compared with 6 months (73.61 ± 27.49, P = .006) . The distribution of Behavior Rating Inventory of Executive Function scores was shifted downward on parent-report (preschool) for all indices at 6 months (n = 14, P ≤ .003); Global Executive Composite and Emergent Metacognition at 12 months (n = 10, P = .03). Visual Motor Integration (VMI-6) Copying (mean = 90.3 ± 13.8, P = .0002) and VMI-6 Motor Coordination (mean = 85.1 ± 15.2 P = .0002) fell below norms, but full scale IQ (Wechsler Scales) and Attention (Conners' Continuous Performance Test) did not.Survivors of PALF appear to show deficits in motor skills, executive functioning, HRQoL, and evidence for worsening cognitive fatigue from 6 to 12 months following PALF presentation.

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.