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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Effectiveness of meal replacement on type 2 diabetes mellitus and intermediate hyperglycemia patients : a systematic review

Wang, Ning, 王宁 January 2014 (has links)
Background: Lifestyle intervention is recommended as one important approach for Diabetes Mellitus management. Type 2 Diabetes Mellitus could be controlled and maintained by lifestyle intervention with no or less medications. It can delay the onset of diabetes related complications. Meal Replacement is one important lifestyle intervention. It modifies the composition and amount of nutrition intake, through daily meal, in order to control body weight and other metabolic indices. Effectiveness of meal replacement was examined by randomized controlled trials. Reviewing these studies systematically would demonstrate the clinical implication and other benefit of meal replacement, further more to guide the implementation in practice. Method: Search the online literature databases for related Randomized Controlled Trials. Analyze and compare different strategies of these interventions, as well as the outcomes. The effect of MR would be categorized into on body weight, on blood glucose, on serum lipid and on hypoglycemic medication and prognosis. The economic benefit would also be one important objective. Result: MR intervention achieved body weight reduction, and considerable controlling effect on glucose and lipid. Majority of studies also reduced the hypoglycemic medication and improved prognosis. Conclusion: MR is one considerable intervention for T2DM and Intermediate Hyperglycemia patients. It could be integrated into structured lifestyle intervention for prevention and treatment. It also brings economic benefit so that reduce health care burden. Further research is needed for better effectiveness in practice. / published_or_final_version / Public Health / Master / Master of Public Health
2

A DIET ENRICHED IN STEARIC ACID PROTECTS AGAINST THE PROGRESSION OF TYPE 2 DIABETES IN LEPTIN RECEPTOR DEFICIENT MICE (DB/DB)

Reeves, Valerie Lynn 01 January 2012 (has links)
Dietary saturated fat intake contributes to diabetes and cardiovascular disease, as shown in numerous animal and human studies. However, the hypothesis that stearic acid, a saturated fat, has beneficial effects on these conditions has not been adequately tested. Leptin receptor deficient mice (db/db) and wild-type mice were fed either chow or a high fat diet enriched in either stearic acid or oleic acid for ten weeks. The progression of diabetes was evaluated with blood glucose, insulin, and metabolic parameter measurements. At the conclusion of the study, pancreatic islet organization was examined, and blood, liver and feces were assayed for fatty acid content. The stearic acid enriched diet prevented increases in blood glucose levels independently of weight loss in db/db mice compared to an oleic acid or chow diet. Diabetic mice fed stearic acid maintained insulin responsiveness and pancreatic islet organization compared to the db/db mice fed chow and oleic diets. The islet organization of the stearic acid fed mice did not change over the course of the study and was similar to that of wild-type mice fed the same diet. Conversely, diabetic mice fed oleic acid and chow diets had decreased insulin responsiveness and disorganized islets. Stearic acid fed db/db mice had high fecal fat content and caloric intake calculations indicated low absorption of this fat. Switching to stearic acid after prolonged hyperglycemia had a rescue effect on blood glucose levels. After feeding diabetic and wild-type mice standard chow diets for 6, 8, and 10 weeks to establish hyperglycemia, mice switched to a high fat diet enriched in stearic acid, but not one enriched in oleic acid diet, had significant reductions in blood glucose levels. The ability of a stearic acid enriched high fat diet to slow the progression of diabetes and reverse hyperglycemia in db/db mice argues that risks and benefits of fats in the diet depend on the chemical structure, rather than the chemical class, of fats ingested. The beneficial effect of stearic acid appears to be associated with a decreased absorption of dietary fat.

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