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Liver Failure in Early Infancy: Aetiology, Presentation, and Outcome
Rana Bitar1, Rosemary Thwaites, Suzanne Davison
1*Paediatric Gastroenterology, Great North Children's Hospital, Newcastle †Paediatrics, James Cook University Hospital, Middlesbrough ‡Children's Liver Unit, Leeds Children's Hospital, Leeds, UK.
Insights
Acute liver failure in infants is rare but recognizing it early is key. Even with normal liver enzymes, coagulopathy in young infants warrants investigation for potential liver disease.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Neonatal Medicine
Background:
- Acute liver failure (ALF) in early infancy presents unique diagnostic and management challenges.
- Early recognition is crucial for improving outcomes in affected infants.
Purpose of the Study:
- To describe the clinical presentation and outcomes of infants with ALF.
- To correlate presentation and outcomes with the underlying etiology of ALF.
- To identify features aiding early recognition and prompt management.
Main Methods:
- Retrospective review of infants presenting with liver failure within 120 days of birth over a 19-year period.
- Collection of data on etiology, clinical features, investigations, and patient outcomes.
- Analysis of presentation characteristics across different etiological groups.
Main Results:
- 78 infants with ALF were identified; etiology was determined in 94%.
- Metabolic disease (36%), hypoxic-ischemic insult (19%), and infection (17%) were common causes.
- Jaundice was absent in 24% of infants; coagulopathy with near-normal transaminases/bilirubin occurred in some etiologies.
- Hospital discharge survival was 58%, with 1-year survival at 53% (native liver survival 50%).
- Liver transplantation was performed in 6 infants.
Conclusions:
- ALF should be suspected in any young infant with coagulopathy, even with normal liver enzymes.
- Improved intensive care and liver transplantation have potentially improved outcomes compared to earlier periods.
- Prompt diagnosis and management based on etiology are vital for better infant survival rates.
Objective:
Acute liver failure (ALF) in early infancy is rare and challenging to recognize and manage. We aim to describe the presentation and outcome of infants with ALF according to their final aetiology to elucidate features to facilitate early recognition leading to prompt diagnosis and management.
Methods:
All infants presenting within 120 days from birth with liver failure were included in a retrospective review over a 19-year period. The aetiology, clinical features, presenting investigations, and outcome were collected.
Results:
Seventy-eight young infants presented with ALF. The aetiology was established in 94% and included metabolic disease (36%), hypoxic-ischaemic (HI) insult (19%), infection (17%), neonatal haemochromatosis (9%), and infiltrative disease (9%). Infections, infiltrative disease, and acute HI insult usually resulted in higher transaminases and international normalized ratio, whereas neonatal haemochromatosis and tyrosinaemia were characterized by lower or near normal transaminases. Overall jaundice was not visible in 24% of infants at presentation. Forty-five (58%) infants were alive at discharge from hospital. Survival at 1 year was 53% and survival with native liver 50%. Later deaths occurred in infants with mitochondrial disease. Six infants received a liver transplant and 4 subsequently died from their underlying disease.
Conclusion:
ALF should be considered in any young infant with a coagulopathy as transaminases and/or bilirubin levels can be near normal at presentation. Better intensive care and the judicious use of liver transplantation may have contributed to the improved outcomes for this group compared with previous decades.
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