Dietary advice for treatment of type 2 diabetes mellitus in adults

NIELD, Lucie, MOORE, Helen, HOOPER, Lee, CRUICKSHANK, Kennedy, VYAS, Avni, WHITTAKER, Vicki and SUMMERBELL, Carolyn D (2009). Dietary advice for treatment of type 2 diabetes mellitus in adults. Cochrane Database of Systematic Reviews.

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Link to published version:: 10.1002/14651858.CD004097.pub4


Background: While initial dietary management immediately after formal diagnosis is an 'accepted' cornerstone of treatment of type 2 diabetes mellitus, a formal and systematic overview of its efficacy and method of delivery is not currently available.

Objectives: To assess the effects of type and frequency of different types of dietary advice for adults with type 2 diabetes.

Search methods: We carried out a comprehensive search of The Cochrane Library, MEDLINE, EMBASE, CINAHL, AMED, bibliographies and contacted relevant experts.

Selection criteria: All randomised controlled trials, of six months or longer, in which dietary advice was the main intervention.

Data collection and analysis: The lead investigator performed all data extraction and quality scoring with duplication being carried out by one of the other six investigators independently with discrepancies resolved by discussion and consensus. Authors were contacted for missing data.

Main results: Thirty-six articles reporting a total of eighteen trials following 1467 participants were included. Dietary approaches assessed in this review were low-fat/high-carbohydrate diets, high-fat/low-carbohydrate diets, low-calorie (1000 kcal per day) and very-low-calorie (500 kcal per day) diets and modified fat diets. Two trials compared the American Diabetes Association exchange diet with a standard reduced fat diet and five studies assessed low-fat diets versus moderate fat or low-carbohydrate diets. Two studies assessed the effect of a very-low-calorie diet versus a low-calorie diet. Six studies compared dietary advice with dietary advice plus exercise and three other studies assessed dietary advice versus dietary advice plus behavioural approaches. The studies all measured weight and measures of glycaemic control although not all studies reported these in the articles published. Other outcomes which were measured in these studies included mortality, blood pressure, serum cholesterol (including LDL and HDL cholesterol), serum triglycerides, maximal exercise capacity and compliance. The results suggest that adoption of regular exercise is a good way to promote better glycaemic control in type 2 diabetic patients, however all of these studies were at high risk of bias.

Item Type: Article
Research Institute, Centre or Group: Sheffield Business School Research Institute > Service Sector Management
Identification Number: 10.1002/14651858.CD004097.pub4
Depositing User: Rebecca Jones
Date Deposited: 15 Feb 2013 11:16
Last Modified: 25 Apr 2014 14:38

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