Lipidology
Hypertriglyceridemia
Manage hypertriglyceridemia by separating pancreatitis-risk chylomicronemia from ASCVD-risk elevations, confirming fasting severity, correcting secondary drivers, and applying a triglyceride-specific diet and selected pharmacotherapy while maintaining LDL-C–directed risk reduction.
Initial triage
Identify pancreatitis-risk hypertriglyceridemia first
The triglyceride level determines whether the immediate objective is pancreatitis prevention or ASCVD-risk management.
Obtain a fasting triglyceride value to classify marked elevations accurately when an initial nonfasting triglyceride level exceeds 400 mg/dL. In untreated adults with lower nonfasting values, fasting and nonfasting lipid profiles may both be used for baseline LDL-C documentation and ASCVD-risk estimation. ACCACCLipid Manager - Mobile and Web Apps
A fasting triglyceride concentration of 500 mg/dL or higher identifies patients at risk for hypertriglyceridemia-associated pancreatitis and warrants serial assessment of response to therapy. Concentrations above 1,000 mg/dL are associated with chylomicronemia; above 1,500 mg/dL, examine specifically for eruptive xanthomas and lipemia retinalis and ask about prior or current pancreatitis. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
If abdominal pain raises concern for acute pancreatitis in a patient with marked hypertriglyceridemia, manage as acute pancreatitis and measure triglycerides early. Hypertriglyceridemia-induced acute pancreatitis has been reported at triglyceride concentrations as low as 880 mg/dL, accounts for approximately 1% to 9% of acute pancreatitis cases, and may recur. ScienceDirect+1ScienceDirectSecondary Causes of Hypertriglyceridemia are Prevalent Among Patients Presenting With Hypertriglyceridemia Induced Acute Pancreatitis - ScienceDirectPubMedSecondary Causes of Hypertriglyceridemia are Prevalent Among Patients Presenting With Hypertriglyceridemia Induced Acute Pancreatitis - PubMed
Triglycerides 150 mg/dL or higher: assess cardiometabolic context and secondary contributors; fasting triglycerides above 150 mg/dL are also a metabolic-syndrome criterion. ACCACCLipid Manager - Mobile and Web Apps
Triglycerides 500–999 mg/dL: prioritize prevention of further excursions and pancreatitis through secondary-cause correction and triglyceride-specific dietary intervention. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Triglycerides 1,000 mg/dL or higher: presume chylomicronemia until the fasting pattern and precipitating factors are clarified. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Triglycerides 1,500 mg/dL or higher with characteristic physical findings or pancreatitis: evaluate for chylomicronemia syndrome and urgently remove secondary triggers. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Diagnostic branch
Find the secondary driver before labeling a primary disorder
Most marked elevations reflect a susceptible lipid phenotype compounded by metabolic disease, exposure, or medication.
At the first fasting confirmation, obtain a medication, alcohol, dietary, metabolic, renal, thyroid, and pregnancy history. Common secondary contributors include diabetes, chronic kidney disease, metabolic syndrome or obesity, pregnancy, chronic inflammatory disease, alcohol use, saturated-fat intake, and high-glycemic-index foods. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Order fasting glucose or hemoglobin A1c to identify diabetes or inadequate glycemic control; measure serum creatinine for kidney disease; and obtain thyroid testing and liver tests when the history or phenotype suggests hypothyroidism or hepatic/metabolic disease. In patients with suspected familial hypertriglyceridemia, fasting glucose, hemoglobin A1c, liver function testing, and thyroid function testing help identify conditions that worsen the phenotype. Wolters Kluwer+1Wolters KluwerHypertriglyceridemia : The Nurse PractitionerPubMedFamilial Hypertriglyceridemia - StatPearls - NCBI Bookshelf
Reconcile all medications and replace or stop a contributing agent when clinically feasible. Agents associated with worsening triglycerides include beta-blockers, diuretics, bile-acid resins, corticosteroids, estrogens, HIV protease inhibitors, tamoxifen, cyclophosphamide, and immunosuppressive drugs; product labeling for omega-3-acid ethyl esters also specifically identifies beta-blockers, thiazides, and estrogens as potentially exacerbating agents. dailymed nlm nih+3dailymed nlm nihOfficial Label (Printer Friendly)dailymed nlm nihThese highlights do not include all the information needed to use OMEGA-3-ACID ETHYL ESTERS CAPSULES safely and effectively. See full prescribing information for OMEGA-3-ACID ETHYL ESTERS CAPSULES. Initial U.S. Approval: 2004ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Diabetes or insulin resistance: intensify glycemic management; poorly controlled diabetes commonly coexists with severe hypertriglyceridemia. PubMed+1PubMedManagement of Hospitalized Children with Severe Hypertriglyceridemia - Endotext - NCBI BookshelfPubMedFamilial Hypertriglyceridemia - StatPearls - NCBI Bookshelf
Alcohol exposure: eliminate alcohol when triglycerides are markedly elevated rather than advising simple reduction. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Medication-associated rise: change the implicated drug when the clinical indication permits, then reassess fasting triglycerides. dailymed nlm nih+3dailymed nlm nihOfficial Label (Printer Friendly)dailymed nlm nihThese highlights do not include all the information needed to use OMEGA-3-ACID ETHYL ESTERS CAPSULES safely and effectively. See full prescribing information for OMEGA-3-ACID ETHYL ESTERS CAPSULES. Initial U.S. Approval: 2004ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Pregnancy, chronic kidney disease, obesity, or inflammatory disease: treat the underlying condition and reassess the fasting lipid profile after the precipitant changes. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
When to suspect a genetic chylomicronemia phenotype
Persistent triglycerides above 1,000 mg/dL after correction of diabetes, alcohol exposure, dietary excess, and offending drugs should prompt consideration of a genetic disorder of triglyceride metabolism. In children, values above 1,000 mg/dL are particularly likely to reflect either a monogenic disorder or polygenic susceptibility plus amplifiers such as obesity, insulin resistance, poorly controlled diabetes, or medication exposure. PubMedPubMedManagement of Hospitalized Children with Severe Hypertriglyceridemia - Endotext - NCBI Bookshelf
Use the lipid pattern to refine the differential. Familial combined hyperlipidemia more often has elevated apolipoprotein B or LDL-C, whereas these findings are not typical of familial hypertriglyceridemia. A history of pancreatitis despite good glycemic control strengthens concern for familial chylomicronemia syndrome. jacc+1jaccFamilial Chylomicronemia Syndrome: Clinical Characteristics and Long-Term Cardiovascular Outcomes | JACCPubMedFamilial Hypertriglyceridemia - StatPearls - NCBI Bookshelf
Ask about recurrent pancreatitis, recurrent abdominal pain, childhood-onset severe hypertriglyceridemia, and family history of extreme triglyceride elevation. jacc+2jaccFamilial Chylomicronemia Syndrome: Clinical Characteristics and Long-Term Cardiovascular Outcomes | JACCScienceDirectSecondary Causes of Hypertriglyceridemia are Prevalent Among Patients Presenting With Hypertriglyceridemia Induced Acute Pancreatitis - ScienceDirectPubMedManagement of Hospitalized Children with Severe Hypertriglyceridemia - Endotext - NCBI Bookshelf
Refer persistent chylomicronemia or suspected monogenic disease for lipid-specialist and genetic evaluation after secondary drivers are addressed. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaPubMedManagement of Hospitalized Children with Severe Hypertriglyceridemia - Endotext - NCBI Bookshelf
Foundational treatment
Prescribe different diets for severe and moderate hypertriglyceridemia
A generic heart-healthy diet is insufficient when fasting triglycerides are in the chylomicronemia range.
Refer to a registered dietitian and specify the triglyceride phenotype on the referral. ACC guidance recommends at least 150 minutes/week of moderate-intensity or 75 minutes/week of vigorous-intensity exercise and a 5% to 10% weight reduction when appropriate; these measures accompany, rather than replace, correction of secondary causes. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
For severe hypertriglyceridemia, restrict total dietary fat to 20 to 30 g/day. This differs from the approach to moderate hypertriglyceridemia, for which the recommended pattern is low in saturated fat, provides 30% to 35% of calories from fat, emphasizes protein, and markedly restricts high-glycemic-index foods, particularly fructose and starches. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Alcohol should be limited in hypertriglyceridemia and eliminated when triglycerides are markedly elevated. Recheck fasting triglycerides after dietary, weight, alcohol, medication, and metabolic interventions to determine whether the patient remains in a pancreatitis-risk range or has an underlying persistent chylomicronemia phenotype. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Severe hypertriglyceridemia: total fat 20–30 g/day. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Moderate hypertriglyceridemia: low saturated fat; limit fructose, starches, and other high-glycemic-index foods. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Lifestyle targets: moderate exercise 150 minutes/week or vigorous exercise 75 minutes/week; pursue 5%–10% weight loss when appropriate. ACC+1ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Drug selection
Use prescription omega-3 therapy correctly and maintain LDL-C–based prevention
Prescription omega-3 products have defined triglyceride-lowering doses but do not replace evaluation of pancreatitis risk or ASCVD risk.
Icosapent ethyl is dosed at 4 g/day with food, either as two 1-g capsules twice daily or four 0.5-g capsules twice daily. Before treatment, identify and manage other causes of hypertriglyceridemia and continue dietary and physical-activity interventions during therapy; capsules should be swallowed whole. dailymed nlm nihdailymed nlm nihThese highlights do not include all the information needed to use ICOSAPENT ETHYL CAPSULES safely and effectively. See full prescribing information for ICOSAPENT ETHYL CAPSULES. ICOSAPENT ETHYL capsules, for oral useInitial U.S. Approval: 2012
Omega-3-acid ethyl esters are also dosed at 4 g/day, either as a single 4-g dose or as two 2-g doses twice daily. Confirm that lipid values are consistently abnormal before initiating therapy, treat contributors such as diabetes and hypothyroidism, and discontinue or change triglyceride-raising medications when possible. dailymed nlm nih+1dailymed nlm nihOfficial Label (Printer Friendly)dailymed nlm nihThese highlights do not include all the information needed to use OMEGA-3-ACID ETHYL ESTERS CAPSULES safely and effectively. See full prescribing information for OMEGA-3-ACID ETHYL ESTERS CAPSULES. Initial U.S. Approval: 2004
Neither icosapent ethyl nor omega-3-acid ethyl esters has established efficacy for reducing pancreatitis risk in severe hypertriglyceridemia according to FDA labeling. Therefore, use a prescription omega-3 agent as part of a comprehensive triglyceride-lowering plan, not as a substitute for very-low-fat intake, alcohol elimination, or correction of uncontrolled diabetes and other precipitants. dailymed nlm nih+4dailymed nlm nihThese highlights do not include all the information needed to use ICOSAPENT ETHYL CAPSULES safely and effectively. See full prescribing information for ICOSAPENT ETHYL CAPSULES. ICOSAPENT ETHYL capsules, for oral useInitial U.S. Approval: 2012dailymed nlm nihOfficial Label (Printer Friendly)dailymed nlm nihThese highlights do not include all the information needed to use OMEGA-3-ACID ETHYL ESTERS CAPSULES safely and effectively. See full prescribing information for OMEGA-3-ACID ETHYL ESTERS CAPSULES. Initial U.S. Approval: 2004ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology
Icosapent ethyl: 4 g/day with food; two 1-g capsules twice daily or four 0.5-g capsules twice daily. dailymed nlm nihdailymed nlm nihThese highlights do not include all the information needed to use ICOSAPENT ETHYL CAPSULES safely and effectively. See full prescribing information for ICOSAPENT ETHYL CAPSULES. ICOSAPENT ETHYL capsules, for oral useInitial U.S. Approval: 2012
Omega-3-acid ethyl esters: 4 g/day as 4 g once daily or 2 g twice daily. dailymed nlm nihdailymed nlm nihOfficial Label (Printer Friendly)
Hepatic impairment with omega-3-acid ethyl esters: monitor ALT and AST periodically. dailymed nlm nihdailymed nlm nihOfficial Label (Printer Friendly)
Known hypersensitivity to the selected omega-3 product: do not prescribe that product. dailymed nlm nih+1dailymed nlm nihThese highlights do not include all the information needed to use ICOSAPENT ETHYL CAPSULES safely and effectively. See full prescribing information for ICOSAPENT ETHYL CAPSULES. ICOSAPENT ETHYL capsules, for oral useInitial U.S. Approval: 2012dailymed nlm nihOfficial Label (Printer Friendly)
Monitoring and escalation
Follow fasting triglycerides to document movement out of the pancreatitis-risk range in patients starting with values of 500 mg/dL or higher. Persistent values above 1,000 mg/dL despite removal of secondary causes and a very-low-fat diet should trigger reassessment of adherence, occult drug or alcohol exposure, uncontrolled metabolic disease, and a primary chylomicronemia disorder. ACC+2ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of CardiologyPubMedManagement of Hospitalized Children with Severe Hypertriglyceridemia - Endotext - NCBI Bookshelf
In hospitalized hypertriglyceridemia-associated acute pancreatitis, published management descriptions use intravenous insulin with hourly serum glucose monitoring and triglyceride measurements every 12 hours; dextrose is added as needed, and insulin may be stopped once triglycerides are below 500 mg/dL. Early consultation for plasmapheresis may be considered in severe cases, although treatment selection should remain individualized. ScienceDirectScienceDirectHypertriglyceridemia and acute pancreatitis
Recurrent pancreatitis or persistent chylomicronemia: obtain lipid-specialist input and evaluate for genetic disease. jacc+2jaccFamilial Chylomicronemia Syndrome: Clinical Characteristics and Long-Term Cardiovascular Outcomes | JACCACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaPubMedManagement of Hospitalized Children with Severe Hypertriglyceridemia - Endotext - NCBI Bookshelf
Omega-3-acid ethyl esters in hepatic impairment: periodically monitor aminotransferases. dailymed nlm nihdailymed nlm nihOfficial Label (Printer Friendly)
Acute pancreatitis with severe hypertriglyceridemia: monitor glucose hourly and triglycerides every 12 hours if using intravenous insulin. ScienceDirectScienceDirectHypertriglyceridemia and acute pancreatitis
Long-term risk
Separate triglyceride lowering for pancreatitis prevention from ASCVD prevention
Once the immediate chylomicronemia risk is controlled, reassess the broader atherogenic-risk phenotype.
Mild and moderate hypertriglyceridemia may be a marker of ASCVD risk, whereas severe and very severe hypertriglyceridemia principally increase pancreatitis risk. Continue LDL-C–directed risk assessment and therapy rather than treating triglycerides as the sole lipid target. Oxford Academic+1Oxford AcademicAn Endocrine Society Clinical Practice GuidelineOxford AcademicEvaluation and Treatment of Hypertriglyceridemia: An Endocrine ...
Do not infer low long-term cardiovascular risk from a low LDL-C concentration in patients with extreme hypertriglyceridemia. In a cohort of patients with familial chylomicronemia syndrome and comparator patients with triglycerides above 750 mg/dL plus prior pancreatitis, cardiovascular events occurred in 50% by age 60 years despite most participants having LDL-C below 70 mg/dL. jaccjaccFamilial Chylomicronemia Syndrome: Clinical Characteristics and Long-Term Cardiovascular Outcomes | JACC
ApoB or LDL-C elevation favors familial combined hyperlipidemia over familial hypertriglyceridemia and changes the long-term emphasis toward treatment of the broader atherogenic lipoprotein burden. Conversely, persistent severe triglyceride elevation with relatively low LDL-C and recurrent pancreatitis should maintain focus on chylomicronemia prevention and genetic evaluation. jacc+1jaccFamilial Chylomicronemia Syndrome: Clinical Characteristics and Long-Term Cardiovascular Outcomes | JACCPubMedFamilial Hypertriglyceridemia - StatPearls - NCBI Bookshelf
Pancreatitis prevention is the immediate priority when fasting triglycerides are 500 mg/dL or higher. ACC+2ACCACC Consensus on ASCVD Risk Reduction in HypertriglyceridemiaACCACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of CardiologyACCLipid Manager - Mobile and Web Apps
Extreme triglyceride phenotypes can carry substantial cardiovascular risk even when LDL-C is low. jaccjaccFamilial Chylomicronemia Syndrome: Clinical Characteristics and Long-Term Cardiovascular Outcomes | JACC
Elevated apoB or LDL-C supports familial combined hyperlipidemia rather than isolated familial hypertriglyceridemia. PubMedPubMedFamilial Hypertriglyceridemia - StatPearls - NCBI Bookshelf
References
- These highlights do not include all the information needed to use ICOSAPENT ETHYL CAPSULES safely and effectively. See full prescribing information for ICOSAPENT ETHYL CAPSULES. ICOSAPENT ETHYL capsules, for oral useInitial U.S. Approval: 2012 — dailymed.nlm.nih.gov · dailymed.nlm.nih.gov
- Official Label (Printer Friendly) — dailymed.nlm.nih.gov · dailymed.nlm.nih.gov
- These highlights do not include all the information needed to use OMEGA-3-ACID ETHYL ESTERS CAPSULES safely and effectively. See full prescribing information for OMEGA-3-ACID ETHYL ESTERS CAPSULES. Initial U.S. Approval: 2004 — dailymed.nlm.nih.gov · dailymed.nlm.nih.gov
- Effectiveness of a Novel ω-3 Krill Oil Agent in Patients With Severe ... — jamanetwork.com · jamanetwork.com
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- Screening, Diagnosis, and Management of Pediatric ... — www.ahajournals.org · www.ahajournals.org
- Familial Chylomicronemia Syndrome: Clinical Characteristics and Long-Term Cardiovascular Outcomes | JACC — www.jacc.org · www.jacc.org
- Secondary Causes of Hypertriglyceridemia are Prevalent Among Patients Presenting With Hypertriglyceridemia Induced Acute Pancreatitis - ScienceDirect — www.sciencedirect.com · www.sciencedirect.com
- Hypertriglyceridemia : The Nurse Practitioner — journals.lww.com · journals.lww.com
- Lifestyle and pharmacologic interventions for adults with hypertriglyceridemia: Critical to reduce risk of ASCVD and pancreatitis but often underutilized - ScienceDirect — www.sciencedirect.com · www.sciencedirect.com
- An Endocrine Society Clinical Practice Guideline — academic.oup.com · academic.oup.com
- Evaluation and Treatment of Hypertriglyceridemia: An Endocrine ... — academic.oup.com · academic.oup.com
- Hypertriglyceridemia and acute pancreatitis — www.sciencedirect.com · www.sciencedirect.com
- Hypertriglyceridemia revealing acute pancreatitis: A case report — www.sciencedirect.com · www.sciencedirect.com
- Egyptian practical guidance in hypertriglyceridemia management 2021 - PubMed — www.ncbi.nlm.nih.gov · www.ncbi.nlm.nih.gov
- ACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia — www.acc.org · www.acc.org
- ACC Consensus on ASCVD Risk Reduction in Hypertriglyceridemia: Key Points - American College of Cardiology — www.acc.org · www.acc.org
- Secondary Causes of Hypertriglyceridemia are Prevalent Among Patients Presenting With Hypertriglyceridemia Induced Acute Pancreatitis - PubMed — www.ncbi.nlm.nih.gov · www.ncbi.nlm.nih.gov
- Management of Hospitalized Children with Severe Hypertriglyceridemia - Endotext - NCBI Bookshelf — www.ncbi.nlm.nih.gov · www.ncbi.nlm.nih.gov
- Familial Hypertriglyceridemia - StatPearls - NCBI Bookshelf — www.ncbi.nlm.nih.gov · www.ncbi.nlm.nih.gov
- Diagnosis and Management of Acute Pancreatitis - Gastroenterology — www.gastrojournal.org · www.gastrojournal.org
- Lipid Manager - Mobile and Web Apps — tools.acc.org · tools.acc.org