B2.040 Nutrition in Diabetes Management Flashcards Preview

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Flashcards in B2.040 Nutrition in Diabetes Management Deck (22)
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what is MNT?

medical nutrition therapy
for overweight or obese adults with type 2 diabetes, reducing energy intake while maintaining a healthful eating pattern is recommended to promote weight loss


what does the ADA say may be the most important factor influencing glycemic response after eating?

amount of carbohydrates and available insulin


what is the glycemic index?

a measure of the ability of a food to raise the level of blood sugar


what are some consequences of high glycemic index foods?

raise blood glucose rapidly
linked to hyperinsulinism, inflammation, low HDL, obesity, DM2, and CVD


for what kinds of people is higher sugar intake more of a problem?

people who consume too many characters and tend to carry more fat in the abdomen


what factors contribute to glycemic index of carb containing foods?

type of sugar
fiber content
cooking and/or food processing
co-ingestion of other foods


what food is the glycemic index based off of?

white bread = 100


what is the affect of low glycemic index diets in the management of diabetes?

average improvement in endpoint of 6-10% over 2-52 weeks in 14 studies


what is fiber?

carbohydrates that cannot be digested
found in all plants that are eaten for food


what are some health benefits of fiber?

lowers risk of:
colon cancer
heart disease
diverticular disease


does glycemic index or fiber have more impact on diabetes?

more impact on insulin sensitivity, BMI, disposition index


what are dietary guidelines regarding fats for americans?

consume <10% of energy from saturated fatty acids
limit trans fat, no healthy amt
most fat should come from PUFA and MUFA (fish, nuts, vegetable oil)


what are saturated fats?

fatty acids without a double bond
linked to increased total and LDL cholesterol
solid at room temp


what are polyunsaturated fats?

fatty acids with at least 2 double bonds
categorized as w-3 or w-6 depending on whether the first double bond appears 3 or 6 carbons from the terminal methyl group


how are polyunsaturated fats related to inflammation?

w-3 and w-6 are precursors of eicosanoids


what are eicosanoids?

lipid mediators with autocrine/paracrine function


how do w-3 and w-6 derived eicosanoids differ?

w-6 eicosanoids have proinflammatory and immunoactive functions
w-3 eicosanoids have anti-inflammatory properties (inhibit formation of w-6 eicosanoids)
western diets have a heavier ratio of w-6 PUFAs compared with w-3 PUFAs


characterize trans fats

formed during partial dehydrogenation of fats
in margarine, shortening, fried foods, and baked goods
associated w increased total cholesterol, lower HDL, and poor liver detox


how should US diet habits improve?

decrease total calories and portion sizes
decrease frequency of eating out
decrease consumption of beverages w added sugar
decrease saturated fat and salt intake
increase fruit and veggie intake
increase fiber intake


what are the major contributors to the obesity epidemic?

15-31% increase in energy intake
26-55% increase in fat intake
decreased physical activity


what is the recommended exercise regimen?

10,000-20,000 steps per day for weight loss
weight loss decreases mortality rate w DM2


what was the result of the STAMPEDE bariatric surgery trials?

in patients with DM2 bariatric surgery plus intensive medical therapy was more effective than intensive medical therapy alone in decreasing/resolving hyperglycemia