[Serum lipid levels in hypercholesterolemic children after 5 years]

Area of Science:

• Pediatric Cardiology
• Biochemistry
• Public Health

Context:

• Hypercholesterolemia is a growing concern in children, necessitating long-term monitoring.
• A cohort of 1012 children aged 10-14 years was studied, with 5.5% identified as hypercholesterolemic.
• Cardiovascular history was stratified into positive (724 children) and negative (288 children) groups.

Purpose:

• To investigate the longitudinal changes in lipid profiles (Total Cholesterol, HDL-C, LDL-C) in hypercholesterolemic children over a five-year period.
• To analyze the impact of baseline cardiovascular history on these lipid profile changes.
• To inform clinical management and dispensary care strategies for pediatric hypercholesterolemia.

Summary:

• After five years, a significant mean decline in Total Cholesterol (T-CHOL) by 0.457 mmol/l and HDL-C by 0.496 mmol/l was observed in 46 children.
• Low-Density Lipoprotein Cholesterol (LDL-C) showed a non-significant mean increase of 0.0065 mmol/l.
• T-CHOL declined in 31% and HDL-C in 71% of subjects, with changes significantly dependent on initial values.
• In children with a positive cardiovascular history, HDL-C increased if baseline levels were <1.11 mmol/l and decreased if >1.11 mmol/l.
• Children with a negative cardiovascular history showed a consistent decline in HDL-C by 0.7 mmol/l.

Impact:

• Findings highlight the dynamic nature of lipid profiles in hypercholesterolemic children, emphasizing the need for ongoing monitoring.
• Results provide critical data for refining clinical guidelines and interventions for pediatric lipid disorders.
• Understanding these longitudinal changes is essential for proactive management of cardiovascular risk in youth.