Management of Severely Elevated Triglycerides
Immediate Management
- The American College of Cardiology recommends implementing extreme dietary fat restriction (<5% of total calories as fat) until triglyceride levels are ≤1,000 mg/dL 2, 3
- Completely eliminate added sugars and alcohol consumption, as recommended by the American College of Cardiology 1, 4
- For patients with diabetes, the American College of Cardiology suggests addressing glycemic control first, as hyperglycemia can worsen hypertriglyceridemia 3, 1
- Consider insulin therapy for acute management of very severe hypertriglyceridemia, especially in patients with poor glycemic control, as it rapidly lowers triglyceride levels 5
Risk Assessment
- The American College of Cardiology states that triglyceride levels ≥1,000 mg/dL significantly increase the risk of acute pancreatitis (14% incidence) 2
- The primary goal for triglyceride levels ≥1,000 mg/dL is to reduce triglycerides below 500 mg/dL to prevent acute pancreatitis, according to the American College of Cardiology 1
- Patients with chylomicronemia (triglycerides ≥1,000 mg/dL) require more aggressive dietary management than those with moderate hypertriglyceridemia, as recommended by the American College of Cardiology 2, 4
Dietary Modifications
- Reduce dietary fat to 10-15% of total calories (typically <20-40g total fat/day), as recommended by the American College of Cardiology 2, 1
- Eliminate all added sugars, according to the American College of Cardiology 1, 4
- Implement a diet low in simple and refined carbohydrates, as suggested by the American College of Cardiology 2
- Include high amounts of soluble fiber (>10 g/day), as recommended by the American College of Cardiology 4
- Completely restrict alcohol consumption, according to the American College of Cardiology 1, 6
Pharmacologic Management
- Consider prescription omega-3 fatty acids as adjunctive therapy, as recommended by the American College of Cardiology 1
- When triglycerides are ≥1,000 mg/dL, the effectiveness of pharmacotherapy may be limited as these agents primarily reduce triglyceride synthesis rather than clear circulating chylomicrons, according to the American College of Cardiology 3
Management of Acute Pancreatitis Due to Hypertriglyceridemia
- Insulin therapy counteracts insulin resistance and improves triglyceride metabolism, as stated by the American College of Cardiology 5
- Avoid lipid-containing parenteral nutrition during acute management, as recommended by the American College of Cardiology 5
Addressing Secondary Causes
- Evaluate and treat secondary causes of hypertriglyceridemia, including uncontrolled diabetes mellitus, as recommended by the American College of Cardiology 1, 3
- Hypothyroidism and chronic kidney disease should also be evaluated and treated, according to the American College of Cardiology 6
Long-term Management
- Continue lifestyle modifications indefinitely to maintain triglyceride levels <500 mg/dL, as recommended by the American College of Cardiology 1
- For patients with cardiovascular risk factors, consider adding statin therapy once triglycerides are controlled, according to the American College of Cardiology 1
- Caution: Statin plus fibrate combination therapy has increased risk of myositis and has not been shown to improve cardiovascular outcomes, as stated by the American College of Cardiology 6