Hypertriglyceridemia

Aka: Hypertriglyceridemia

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II. Pathophysiology

  1. Triglycerides are a major component of serum VLDL
  2. Independent risk factor for Coronary Artery Disease
    1. Triglycerides >500: Increases premature CAD risk by 11.4 fold
    2. Triglycerides >300 and HDL<30: Increases premature CAD risk by 17.2 fold
    3. Type III Dyslipidemia: Increases premature CAD risk by 5-10 fold
    4. (2005) JACC 45:1003-12 [PubMed]

III. Causes

  1. See Hypertriglyceridemia Causes
  2. See Drug-Induced Hypertriglyceridemia

IV. Labs

  1. Lipid Panel
  2. Serum Triglycerides
    1. Normal: <150 mg/dl
    2. High: 150 to 499 mg/dl
    3. Severe: >=500 mg/dl
  3. Serum Glucose

V. Management

  1. General therapeutic lifestyle changes
    1. Reduce body weight by at least 5-10%
      1. Weight decrease alone may decrease Serum Triglycerides by 20%
    2. Increase aerobic Exercise (esp. higher intensity) and Resistance Training
      1. Walking 3-4 miles in approximately 40 minutes daily normalizes Triglycerides within 1 week
        1. Oscai (1972) AJC 30:775-80 [PubMed]
    3. Limit Simple Sugars and simple Carbohydrate intake and focus on lower Glycemic Foods
      1. Replace simple Carbohydrates with Protein and monunsaturated fats
      2. Increase monounsaturated fat intake (e.g. Mediterranean Diet)
    4. Optimize Blood Sugar control in Diabetes Mellitus
      1. Consider Metabolic Syndrome management
  2. Serum Triglycerides 150 to 199 mg/dl (Borderline high)
    1. Therepeutic lifestyle changes above
    2. Lower LDL Cholesterol to goal (see Hyperlipidemia)
  3. Serum Triglycerides 200 to 499 (high)
    1. Therepeutic lifestyle changes above
    2. Primary goal: Lower LDL Cholesterol
      1. Statin AntiHyperlipidemics for high Cardiovascular Risk
        1. Statins also lower Serum Triglycerides 10-30%
    3. Secondary goal: Lower Triglycerides
      1. Omega 3 Fatty Acids
        1. Fish oil 2-4 g EPA/DHA daily
    4. Other agents that have been previously recommended (but fallen out of favor, lack of efficacy, side effects)
      1. Niacin added to Statin
        1. Combination did not show benefit beyond Statin alone in AIM-HIGH study (2011)
        2. Less effect on Triglycerides than Fibrate (consider adding Fibrate)
      2. Fibrate added to Statin
        1. Tricor (risk of Myopathy when used with Statin)
        2. Gemfibrozil (higher risk of Myopathy than Tricor)
  4. Serum Triglycerides >500 (very high)
    1. Therepeutic lifestyle changes above
    2. Primary goal is to lower Triglycerides
      1. First-line
        1. Statins
          1. Lower Triglycerides 10-30%
      2. Second-Line
        1. Omega 3 Fatty Acids
          1. Fish oil 2-4 g EPA/DHA daily or
          2. Vascepa 2 g orally twice daily
      3. Other agents that have been previously recommended (but fallen out of favor, lack of efficacy, side effects)
        1. Fibrate (Tricor, Gemfibrozil) decreases triglcerides by 25-50%
        2. Niacin with or without Fibrate
          1. Niacin lowers Serum Triglycerides by 10-35% (but does not alter cardiovascular outcomes)
    3. Secondary goal is to lower LDL Cholesterol
      1. Consider adding a Statin to agents above
      2. Use caution due to Myopathy risk
  5. Serum Triglycerides >1000 (highest)
    1. Aggressive weight loss and Diabetes Mellitus control
    2. High level of suspicion for secondary cause
    3. Management as for Serum Triglycerides >500 mg/dl
    4. Manage Acute Pancreatitis
      1. Early and aggressive Serum Triglyceride lowering is associated with better outcomes
      2. Insulin Infusion 0.25 units/kg/h with dextrose infusion unless hyperglycemic OR
      3. Plasmapheresis if Insulin Infusion is not effective

VI. Complications

  1. Cardiac Risk Factor
    1. Independent risk factor for cardiovascular disease (beyond standard major CAD risk factors)
    2. Associated with Metabolic Syndrome and Diabetes Mellitus, which are also signirficant CAD risks
  2. Pancreatitis
    1. Increased risk at Serum Triglycerides >500 mg/dl
    2. Acute Pancreatitis is typically associated with Serum Triglycerides >1000 mg/dl
      1. Responsible for 2-4% of Pancreatitis cases
      2. Consider acute Serum Triglyceride lowering with Insulin Infusion, plasmapheresis

VII. References

  1. (2021) Presc Lett 28(11): 63
  2. (2001) JAMA 285:2486-97 [PubMed]
  3. Oh (2020) Am Fam Physician 102(6): 347-54 [PubMed]
  4. Oh (2007) Am Fam Physician 75:1365-71 [PubMed]
  5. Safer (2002) Am Fam Physician 65:871-80 [PubMed]

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Related Studies

Ontology: Hypertriglyceridemia (C0020557)

Definition (CSP) condition of elevated triglyceride concentration in the blood; an inherited form occurs in familial hyperlipoproteinemia IIb and hyperlipoproteinemia type IV; linked to higher risk of heart disease and arteriosclerosis.
Definition (MSH) A condition of elevated levels of TRIGLYCERIDES in the blood.
Concepts Finding (T033)
MSH D015228
SnomedCT 302870006
English Hypertriglyceridemias, HYPERTRIGLYCERIDAEMIA, HYPERTRIGLYCERIDEMIA, Elevated triglycerides, Triglyceride increased, Raised TG, Raised triglycerides, Hypertriglyceridemia [Disease/Finding], elevated triglycerides, raised triglycerides, high triglycerides, hyperglyceridaemia, increased triglycerides, Hyperglyceridaemia, Hyperglyceridemia, Triglycerides high, Hypertriglyceridaemia, Hypertriglyceridemia (disorder), hyperglyceridemia, Hypertriglyceridemia, hypertriglyceridemia, hypertriglyceridaemia
French HYPERTRIGLYCERIDEMIE, Triglycérides augmentés, Hyperglycéridémie, Elévation des TG, Elévation des triglycérides, Triglycérides élevés, Hypertriglycéridémies, Hypertriglycéridémie
Portuguese HIPERTRIGLICERIDEMIA, Triglicéridos aumentados, Triglicéridos elevados, Triglicéridos altos, Hipergliceridemia, Trigliceridos elevados, Hipertrigliceridemia
Spanish HIPERTRIGLICERIDEMIA, Triglicéridos elevados, Hipergliceridemia, Triglicéridos altos, TG elevados, hipertrigliceridemia (trastorno), hipertrigliceridemia, Elevación de los triglicéridos, Hipertrigliceridemia
German HYPERTRIGLYZERIDAEMIE, Triglyzeride hoch, Hyperglyzeridaemie, vermehrte TG, vermehrte Triglyzeride, Triglyzerid erhoeht, Hypertriglyzeridaemie, Erhoehte Triglyzeride, Hypertriglyzeridämie
Italian Trigliceridi elevati, Trigliceridi aumentati, Trigliceridi alti, Ipergliceridemia, TG aumentati, Ipertrigliceridemia
Dutch hyperglyceridemie, triglyceride verhoogd, triglyceriden hoog, gestegen triglyceriden, gestegen TG, hypertriglyceridemie, verhoogde triglyceriden, Hypertriglyceridemie, Triglyceridemie, hyper-
Japanese トリグリセリド上昇, 高トリグリセリド血症, トリグリセリド増加, 高グリセリド血症, トリグリセリド高値, ｺｳｸﾞﾘｾﾘﾄﾞｹｯｼｮｳ, ﾄﾘｸﾞﾘｾﾘﾄﾞｿﾞｳｶ, ｺｳｸﾞﾘｾﾘﾄﾞｹﾂｼｮｳ, ｺｳﾄﾘｸﾞﾘｾﾘﾄﾞｹﾂｼｮｳ, ﾄﾘｸﾞﾘｾﾘﾄﾞｺｳﾁ, ﾄﾘｸﾞﾘｾﾘﾄﾞｼﾞｮｳｼｮｳ, ｺｳﾄﾘｸﾞﾘｾﾘﾄﾞｹｯｼｮｳ
Swedish Hypertriglyceridemi
Czech hypertriglyceridémie, Triglyceridy vysoké, Hypertriglyceridemie, Zvýšené TG, Zvýšené triglyceridy, Triglyceridy zvýšené, Triglycerid zvýšený
Finnish Hypertriglyseridemia
Russian GIPERTRIGLITSERIDEMIIA, ГИПЕРТРИГЛИЦЕРИДЕМИЯ
Croatian HIPERTRIGLICERIDEMIJA
Polish Hipertrójglicerydemia, Hipertriglicerydemia, Podwyższony poziom triglicerydów we krwi
Hungarian Megemelkedett trigliceridek, Hypertriglyceridaemia, Triglycerid emelkedett, TG megemelkedett, Hyperglyceridaemia, Trigliceridek megemelkedett, Triglyceridek magas
Norwegian Hypertriglyseridemi
Derived from the NIH UMLS (Unified Medical Language System)

Related Topics in Hyperlipidemia

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