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A Randomized Cross-...
A Randomized Cross-Over Trial of the Postprandial Effects of Three Different Diets in Patients with Type 2 Diabetes
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Fernemark, Hanna (author)
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Jaredsson, Christine (author)
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Bunjaku, Bekim (author)
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Rosenqvist, Ulf (author)
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Nyström, Fredrik H (author)
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Guldbrand, Hans (author)
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- Public Library of Science 2013
- 2013
- English.
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In: PLoS ONE. - 1932-6203. ; 8:11, e79324
Abstract
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- Background: In the clinic setting both fasting levels of glucose and the area under the curve (AUC) of glucose, by determination of HbA1c levels, are used for risk assessments, in type 2 diabetes (NIDDM). However little is known about postprandial levels, and hence AUC, regarding other traditional risk factors such as insulin and blood-lipids and how this is affected by different diets. less thanbrgreater than less thanbrgreater thanObjective: To study postprandial effects of three diets, during a single day, in NIDDM. less thanbrgreater than less thanbrgreater thanMethods: A low-fat diet (45-56 energy-% from carbohydrates), and a low-carbohydrate diet (16-24 energy-% from carbohydrates) was compared with a Mediterranean-style diet (black coffee for breakfast and the same total-caloric intake as the other two diets for lunch with red wine, 32-35 energy-% from carbohydrates) in a randomized cross-over design. Total-caloric intake/test-day at the clinic from food was 1025-1080 kCal in men and 905-984 kCal in women. The test meals were consumed at a diabetes ward under supervision. less thanbrgreater than less thanbrgreater thanResults: Twenty-one participants were recruited and 19 completed the studies. The low-carbohydrate diet induced lower insulin and glucose excursions compared with the low-fat diet (pandlt;0.0005 for both AUC). The insulin-response following the single Mediterranean-style lunch-meal was more pronounced than during the low-fat diet lunch (insulin increase-ratio of the low-fat diet: 4.35 +/- 2.2, of Mediterranean-style diet: 8.12 +/- 5.2, p=0.001) while postprandial glucose levels were similar. The increase-ratio of insulin correlated with the elevation of the incretin glucose-dependent insulinotropic-polypeptide following the Mediterranean-style diet lunch (Spearman, r = 0.64, p = 0.003). less thanbrgreater than less thanbrgreater thanConclusions: The large Mediterranean-style lunch-meal induced similar postprandial glucose-elevations as the low-fat meal despite almost double amount of calories due to a pronounced insulin-increase. This suggests that accumulation of caloric intake from breakfast and lunch to a single large Mediterranean style lunch-meal in NIDDM might be advantageous from a metabolic perspective.
Subject headings
- Medical and Health Sciences (hsv)
- Medicin och hälsovetenskap (hsv)
- MEDICINE (svep)
- MEDICIN (svep)
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