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[Clinical analysis of 4 children with hereditary hypercholesterolemia]

H M Hao1, Y N Guo1, D X Fu1

  • 1Department of Endocrinology, Genetics and Metabolism, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450000, China.

Zhonghua Er Ke Za Zhi = Chinese Journal of Pediatrics
|November 29, 2022
PubMed

Insights

Childhood xanthomatosis can indicate sitosterolemia or familial hypercholesterolemia. Early identification via family history, genetic testing, and lipid profiles aids timely treatment and management of these hereditary lipid disorders.

Area of Science:

  • Pediatric Endocrinology
  • Clinical Genetics
  • Metabolic Disorders

Context:

  • Hereditary hypercholesterolemia presents unique diagnostic challenges in pediatric populations.
  • Xanthomatosis is a significant clinical sign requiring further investigation in children.
  • Early identification is crucial for managing long-term cardiovascular risks associated with genetic lipid disorders.

Purpose:

  • To delineate the clinical and genetic characteristics of hereditary hypercholesterolemia in childhood.
  • To analyze the presentation, laboratory findings, and genetic variations in pediatric cases of sitosterolemia and familial hypercholesterolemia.
  • To evaluate the effectiveness of early interventions including diet and medication.

Summary:

  • Retrospective analysis of 4 pediatric patients with hereditary hypercholesterolemia revealed xanthomatosis as a primary symptom.
  • Diagnoses included sitosterolemia (ABCG8/ABCG5 variants) and familial hypercholesterolemia (LDLR variants), both presenting with significantly elevated plasma cholesterol and low-density lipoprotein-cholesterol.
  • Dietary interventions and rosuvastatin treatment led to improved blood lipid levels and reduced xanthomas, highlighting the importance of early management.

Impact:

  • Establishes xanthomatosis as a key clinical indicator for specific hereditary lipid disorders in children.
  • Emphasizes the utility of integrating family history, plant sterol profiles, and genetic analysis for accurate diagnosis.
  • Demonstrates the positive outcomes of early therapeutic interventions in pediatric hereditary hypercholesterolemia, potentially mitigating future cardiovascular complications.

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