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How do high triglycerides increase heart disease risk?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am 50 years old, and my recent blood test indicated significantly elevated triglyceride levels(a type of fat in your blood used for energy). I have not experienced any noticeable symptoms, so I am trying to understand why this is considered a concern. Could this increase my risk for heart problems? What would be the most effective way to reduce these levels? Can dietary changes alone suffice, or is medication necessary?

Please help.

Thank you.

Answered by Dr. Wajahat

Hi,

Welcome to icliniq.com.

I completely understand your concern.

Your recent lipid profile indicates elevated triglyceride levels (a type of fat in your blood used for energy). Such elevations can be genetic factors, like familial hyperlipidemia (group of genetic conditions that cause lifelong elevation of blood lipids like cholesterol, triglycerides, or both due to inherited mutations affecting lipid metabolism), or secondary causes, including uncontrolled diabetes (persistently high (or sometimes dangerously low) blood sugar levels that remain outside the target range, often defined as a fasting blood glucose of 70 to130 mg/dL and post-meal levels below 180 mg/dL), obesity, sedentary habits, kidney disorders, metabolic syndrome (cluster of at least three out of five metabolic risk factors that significantly increase the chance of developing cardiovascular disease and diabetes), or hypothyroidism (thyroid gland in your neck does not produce enough thyroid hormone, causing your metabolism to slow down). Sometimes, medications such as beta-blockers, thiazide diuretics, specific antipsychotics, and corticosteroids may contribute to increased triglyceride levels.

High triglyceride levels are associated with an increased risk of complications like pancreatitis, coronary artery disease, and peripheral vascular disease. While low-density lipoprotein (LDL) cholesterol is directly linked to coronary and peripheral vascular diseases, high triglycerides increase the risk of heart disease and peripheral vascular conditions. In your case, elevated LDL (bad cholesterol) and reduced high-density lipoprotein (HDL, or good cholesterol) further contribute to cardiovascular risks.

Often, hypertriglyceridemia (fat in your blood, called triglycerides, goes above 150 mg/dL) presents without symptoms. However, extremely high levels can lead to conditions like xanthomas, fatty deposits under the skin, and lipemia retinalis, where fat accumulates in the retina. There is also an increased risk of pancreatitis(inflammation of the pancreas) and cardiovascular events.

Management begins with lifestyle modifications:

  • Physical activity: Engage in daily walking or other forms of exercise.

  • Weight management: Aim for gradual and sustained weight loss.

  • Dietary changes: Increase intake of fruits, vegetables, and fiber; reduce consumption of oily, greasy foods, refined sugars, and carbohydrates; and incorporate healthy vegetable oils.

  • Lifestyle habits: Cease smoking and limit alcohol consumption.

If lifestyle changes are insufficient, pharmacological interventions may be considered. Medications to treat raised triglycerides include fibrates such as Gemfibrozil or Fenofibrate. Other options include niacin, omega-3 fatty acids, and statins as an add-on therapy.

In severe or refractory cases, procedures like plasmapheresis or bariatric surgery might be explored.

I hope this helps.

Kindly revert if there is any query.

Thank you.

Answered byDr. Wajahat

Medically reviewed byiCliniq medical review team

Published At September 15, 2025
Reviewed AtSeptember 15, 2025

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