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Published on: October 12, 2017
Hyperlipidemia in children
1Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario, Canada M5G 1X8. brian.mccrindle@sickkids.ca
Insights
Childhood hyperlipidemia, linked to obesity, impacts vascular health and initiates atherosclerosis. Early screening and interventions, including statins for high-risk cases, are crucial despite long-term safety questions.
Area of Science:
- Pediatrics
- Cardiovascular Health
- Metabolic Disorders
Background:
- Childhood hyperlipidemia is a growing concern, paralleling the global obesity epidemic.
- It can impair vascular endothelial function and initiate atherosclerosis in children.
- Severe lipid abnormalities often stem from primary familial dyslipidemias.
Purpose of the Study:
- To review the prevalence and implications of hyperlipidemia in children.
- To discuss current screening and intervention strategies.
- To evaluate the role of lipid-lowering therapies in pediatric populations.
Main Methods:
- Review of existing literature on childhood hyperlipidemia.
- Analysis of pathological and non-invasive studies linking vascular changes to pediatric dyslipidemia.
- Assessment of current screening guidelines and therapeutic options.
Main Results:
- Strong associations exist between vascular changes and hyperlipidemia in children.
- Family history and parental hyperlipidemia are key screening indicators.
- Dietary interventions show modest lipid-lowering effects.
- Statins are increasingly used in high-risk children with comparable efficacy and safety to adults, though long-term data is pending.
Conclusions:
- Hyperlipidemia in children is a significant cardiovascular risk factor requiring proactive management.
- Targeted screening and intervention are essential for high-risk individuals.
- While statin therapy shows promise, ongoing monitoring for long-term effects in children is necessary.
Abstract:
Hyperlipidemia in children has emerged as an increasingly prevalent risk factor in children, concomitant with the worldwide epidemic of obesity. Hyperlipidemia can alter vascular endothelial function and impair some of its pro-fibrinolytic and anti-thrombotic regulatory properties, as well as initiate the atherosclerotic process. There are strong links between vascular changes and hyperlipidemia in children, both from pathologic and non-invasive assessment studies. More severe lipid abnormalities in children are related to primary familial dyslipidemias. Current recommendations for screening begin with assessment of family history for cardiovascular disease or events or parental hyperlipidemia. High-risk individuals merit more intensive investigation and intervention. While fat-restricted diets have been shown to be safe in children, lipid-lowering is modest. Those with more severe lipid abnormalities may meet criteria for drug therapy, and the statin agents commonly used in adults are increasingly being used in high-risk children, with similar efficacy and safety, although long-term concerns remain.
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