Effect of energy restriction, weight loss, and diet composition on plasma lipids and glucose in patients with type 2 diabetes.
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- L K Heilbronn
- Department of Physiology, University of Adelaide, Australia. leonie.heilbronn@dhn.csiro.au
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- M Noakes
- Department of Physiology, University of Adelaide, Australia. leonie.heilbronn@dhn.csiro.au
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- P M Clifton
- Department of Physiology, University of Adelaide, Australia. leonie.heilbronn@dhn.csiro.au
抄録
<jats:p>OBJECTIVE: To determine the optimal diet for improving glucose and lipid profiles in obese patients with type 2 diabetes during moderate energy restriction. RESEARCH DESIGN AND METHODS: A total of 35 free-living obese patients with type 2 diabetes were assigned to one of three 1,600 kcal/day diets for 12 weeks. The diets were high carbohydrate (10% fat, 4% saturated), high monounsaturated fat (MUFA) (32% fat, 7% saturated), or high saturated fat (SFA) (32% fat, 17% saturated). RESULTS: Diet composition did not affect the magnitude of weight loss, with subjects losing an average of 6.6 +/- 0.9 kg. Energy restriction and weight loss resulted in reductions in fasting plasma glucose (-14%), insulin (-27%), GHb (-14%), and systolic (-7%) and diastolic blood pressure (-10%) levels and the glucose response area (-17%) independent of diet composition. Diet composition did affect the lipoprotein profile. LDL was 10% and 17% lower with the high-carbohydrate and high-MUFA diets, respectively, whereas no change was observed with the high-SFA diet (P < 0.001 for effect of diet). HDL was transiently reduced on the high-carbohydrate diet at weeks 1, 4, and 8, whereas higher fat consumption maintained these levels. The total cholesterol:HDL ratio, although significantly reduced on the high-MUFA diet (P < 0.01), was not different from the other two diets after adjustment for baseline differences. CONCLUSIONS: Energy restriction, independent of diet composition, improves glycemic control; however, reducing SFA intake by replacing SFA with carbohydrate or MUFA reduces LDL maximally during weight loss and to a greater degree than has been shown in weight-stable studies.</jats:p>
収録刊行物
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- Diabetes Care
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Diabetes Care 22 (6), 889-895, 1999-06-01
American Diabetes Association
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詳細情報 詳細情報について
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- CRID
- 1363388844336739712
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- NII論文ID
- 30026280194
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- ISSN
- 19355548
- 01495992
- http://id.crossref.org/issn/01495992
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