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NEW YORK -- A very-low-carbohydrate diet was effective at raising serum levels of HDL cholesterol, lowering triglyceride levels, and producing weight loss in overweight patients with metabolic syndrome in a controlled study with 27 patients.
The beneficial effects on lipid measures of a very-low-carbohydrate diet was as good or better than single-drug therapy, Cassandra E. Forsythe said at an international symposium on triglycerides and HDL.
A low-carbohydrate, high-fat diet may be an option for selected patients. A low-fat diet is not the only good approach anymore, commented Samuel Klein, M.D., who is the William H. Danforth Professor of Medicine and Nutritional Science at Washington University, St. Louis.
Ms. Forsythe and her associates at the University of Connecticut in Storrs randomized a total of 40 patients, who were overweight, had metabolic syndrome, and were aged 18-55 years, to either of two diets: a very-low-carbohydrate diet in which 5%-10% of total calories came from carbohydrates, 65%-70% of calories came from fat, and 20%-25% of calories came from protein; or a low-fat diet in which 55%-60% of calories came from carbohydrates, 25%-30% of calories came from fat, and 15%-20% of calories came from protein. The study was designed to last 12 weeks. Ms. Forsythe reported results for 11 patients who have so far completed the 12 weeks on the low-fat diet and for 16 patients who completed the low-carbohydrate diet.
After 12 weeks, serum levels of HDL cholesterol rose by an average of 14% from baseline in the patients on the low-carbohydrate diet, ...