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Hospital Management of Severe Hypertriglyceridemia in Children
Badhma Valaiyapathi1, Ambika P Ashraf2
1Department of Epidemiology, School of Public Health, The University of Alabama at Birmingham, Alabama, United States.
Insights
Severe hypertriglyceridemia (HTG) in children requires prompt management, including hospitalization and dietary changes. Treatment focuses on diet, lifestyle, and addressing secondary causes, with medications playing an adjunct role.
Area of Science:
- Pediatric Endocrinology
- Metabolic Disorders
- Cardiovascular Health
Background:
- Severe hypertriglyceridemia (HTG), defined as triglyceride levels over 1000 mg/dL, is a significant risk factor for acute pancreatitis and abdominal pain in children.
- Current pediatric guidelines for managing severe HTG are lacking, necessitating a review of existing knowledge and treatment strategies.
Purpose of the Study:
- To elucidate the pathophysiology and common etiologies of severe HTG in pediatric patients.
- To provide a comprehensive overview of current and potential management strategies for severe HTG in children and adolescents.
Main Methods:
- Literature review focusing on the pathophysiology, etiology, and treatment of severe hypertriglyceridemia in pediatric populations.
- Analysis of management options including dietary interventions, pharmacotherapy, and supportive care.
Main Results:
- Severe HTG often results from deficient Lipoprotein Lipase (LPL) activity, stemming from genetic factors or secondary triggers in susceptible individuals.
- Immediate management involves hospitalization for symptomatic patients, fasting, and a fat-free diet until triglyceride levels decrease.
- Long-term management emphasizes stringent fat restriction, gradual fat reintroduction, lifestyle modifications, weight management, and control of secondary causes.
Conclusions:
- Effective management of severe HTG in children requires a multi-faceted approach combining acute interventions with long-term lifestyle and dietary changes.
- While insulin infusions and plasmapheresis have roles in specific severe cases, medications like fibrates and omega-3 fatty acids are less effective, particularly with absent LPL activity.
Background:
Severe Hypertriglyceridemia (HTG), i.e., plasma triglyceride levels exceeding 1000 mg/dL, is one of the established causes of acute pancreatitis and severe abdominal pain. There are no established pediatric guidelines regarding treatment of children and adolescents with severe HTG.
Objective:
To review the pathophysiology and etiology of severe HTG in the pediatric age group, and to discuss management options.
Method And Results:
Severe HTG is usually due to deficient or absent Lipoprotein Lipase (LPL) activity, which can be due to primary genetic etiology or secondary causes triggering HTG in those with underlying genetic susceptibility. Hospitalization is indicated for patients with severe HTG who are symptomatic with abdominal pain or pancreatitis, in those with uncontrolled diabetes requiring insulin, or, in those with substantial elevations of plasma TG. Fasting followed by fat free diet until plasma TG declines to <1000mg/dL is essential. Subsequently, stringent fat restriction followed by slowly increasing the dietary fat while maintaining the plasma TG concentration at a targeted level is recommended. Insulin infusions are helpful in patients who have some LPL activity, especially in those with diabetes. Plasmapheresis may be considered in those with severe pancreatitis, shock or multi-organ failure. Medications such as fibrates and omega-3 fatty acids are not effective if LPL activity is absent or when plasma TG is >1800 mg/dL. Medications only have an adjunct role in the management. Low fat diet, lifestyle changes, weight loss, control of secondary causes, and patient education form the mainstay of management once the patient is discharged.
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