When You Have an Abnormal Lipid Profile

An abnormal lipid profile is a consistent indicator of atherosclerosis and cardiovascular disease (CHD). Blood lipids include total cholesterol, LDL-C, HDL-C and triglycerides. Because each of these factors are ultimately affected by diet, it serves to reason to recommend dietary strategies to help lower total cholesterol and LDL-C, increase HDL-C and reduce triglyceride levels.

ATP III uses the term therapeutic lifestyle changes (TLC) for recommendations that can help to improve abnormal lipid profiles and reduce risk of CHD. TLC makes recommendations for saturated fat (less than 7% of total calories), polyunsaturated fat (up to 10% of total calories), monounsaturated fat (up to 20% of total calories), total fat (25-35% of total calories, fiber (20-30g/d), protein (approx. 15% of total calories), and cholesterol (less than 200 mg/d). The total calories recommendation, in addition, is based on a balance of energy intake and expenditure to maintain a healthy weight (1).

Because it is often difficult for patients to adhere to specific percentages, a nutritionist can help patients by summarizing recommendations as eating less to lose weight as appropriate, exercising regularly as appropriate, avoiding animal fats in keeping to a low-cholesterol diet, replacing saturated fats with polyunsaturated fats whenever possible, and eating more fruits and vegetables.

A nutritionist could also approach patients with a Mediterranean-style diet. Recent research is showing that this diet is appropriate because it represents many of the same diet recommendations included in TLC. This diet may also have lipid-lowering effects and cardio-protective benefits from the regular intake of red wine, olive oil and fish (2).

Reference List

1. Lee RD, Nieman DC. Nutritional Assessment. New York: McGraw-Hill, 2007.
2. Cheskin LJ, Kahan S. Low-carbohydrate and Mediterranean diets led to greater weight loss than a low-fat diet in moderately obese adults. Evid Based Med 2008;13:176.

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