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[Clinical heterogeneity in fructose intolerance]
Summary
Hereditary fructose intolerance (HFI) in infants often presents with vomiting and failure to thrive, requiring early diagnosis. A fructose-free diet is crucial for survival, highlighting the need for pediatrician awareness.
Area of Science:
- Biochemistry
- Pediatrics
- Genetics
Context:
- Hereditary fructose intolerance (HFI) is a rare metabolic disorder.
- Diagnosis in infants is often delayed, leading to severe health consequences.
- This study focuses on eight infants diagnosed with HFI.
Purpose:
- To describe the clinical presentation and diagnostic challenges of HFI in infants.
- To emphasize the importance of early diagnosis and dietary management.
- To report a co-occurring case of Fructose-1,6-diphosphatase deficiency.
Summary:
- Eight infants diagnosed with HFI via fructose tolerance tests and liver aldolase assays presented with vomiting and failure to thrive.
- Hepatomegaly and abnormal liver function tests were common; hypoglycemia occurred in 3 patients.
- Two infants died, while six survived and are well on a fructose-free diet.
Impact:
- Highlights the critical role of pediatricians in recognizing HFI symptoms and understanding infant nutrition.
- Stresses the danger of fructose-containing solutions in infusion therapy.
- Underscores the necessity of prompt diagnosis and lifelong dietary adherence for HFI management.