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Timing of Meal Insulin and Its Relation to Adherence to Therapy in Type 1 Diabetes.
Datye KA, Boyle CT, Simmons J, Moore DJ, Jaser SS, Sheanon N, Kittelsrud JM, Woerner SE, Miller KM, T1D Exchange
(2018) J Diabetes Sci Technol 12: 349-355
MeSH Terms: Adolescent, Adult, Blood Glucose, Diabetes Mellitus, Type 1, Female, Humans, Hypoglycemic Agents, Insulin, Male, Meals, Medication Adherence, Young Adult
Show Abstract · Added September 13, 2017
The purpose of this study is to examine timing of meal insulin and further determine whether an association exists between timing of meal insulin and missed meal insulin doses. The cohort included 4768 T1D Exchange clinic registry participants <26 years with type 1 diabetes ≥1 year. Chi-square tests, t-tests, and regression were used to assess the relationship between participant characteristics and timing of meal insulin and missed meal doses, respectively. Timing of meal insulin and association with missed meal doses was analyzed using logistic regression. In all, 21% reported administering insulin several minutes before, 44% immediately before, 10% during, and 24% after meal. Participants who gave insulin prior to a meal had significantly lower HbA1c than those who gave insulin during or after meal (8.4% ± 1.5% vs 8.8% ± 1.6%, adjusted P < .001), but no significant association was observed regarding DKA events. Those who reported missing ≥1 insulin dose per week had higher HbA1c (9.8% ± 1.9% vs 8.3% ± 1.3%, adjusted P < .001) and were more likely to experience at least one DKA event (9% vs 5%, adjusted P = .001) compared with those who rarely missed a meal insulin dose. Participants who reported administering insulin during or after a meal were more likely to report missing ≥1 meal insulin dose per week compared with those who administered insulin before a meal (28% vs 14%, adjusted P < .001). Premeal insulin was associated with lower HbA1c and fewer missed meal insulin doses. Providers may use this information to discuss the benefits of premeal insulin on glycemic control and adherence to therapy.
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12 MeSH Terms
Insulin resistance is not associated with thermogenic effect of a high-fat meal in obese children.
Chan J, Lomenick JP, Buchowski MS, Shoemaker AH
(2014) Nutr Res 34: 486-90
MeSH Terms: Absorptiometry, Photon, Adolescent, Blood Glucose, Body Composition, Body Mass Index, Calorimetry, Indirect, Child, Diet, High-Fat, Energy Intake, Energy Metabolism, Female, Glycated Hemoglobin A, Humans, Insulin, Insulin Resistance, Linear Models, Male, Meals, Pediatric Obesity, Weight Gain
Show Abstract · Added January 20, 2015
In adults, insulin resistance may decrease the thermogenic effect of food, contributing to weight gain. We aimed to determine the effect of insulin resistance on energy expenditure in children with long-standing obesity. We hypothesized that thermogenic effect of food would decrease with increasing insulin resistance. Energy expenditure was measured using whole room indirect calorimetry in obese children 7 to 18 years old. Participants were fed a high-fat meal with energy content equal to 35% of measured resting energy expenditure. Thermogenic effect of food was measured for 180 minutes posttest meal and expressed as a percent of calories consumed. Body composition was assessed using whole-body dual-energy x-ray absorptiometry. Fasting glucose, insulin, and hemoglobin A1C were measured. Complete data were available for 25 children (median age, 12.1 years; 52% male). As expected, a significant decrease in resting energy expenditure was observed with increasing Tanner stage (P = .02 by Kruskal-Wallis test). Insulin sensitivity, as determined by homeostasis model assessment index equation, did not significantly affect resting energy expenditure (P = .3) or thermogenic effect of food (P = .7) after adjustment for Tanner stage. In conclusion, our study did not find an association between insulin resistance and energy expenditure in obese children.
Copyright © 2014 Elsevier Inc. All rights reserved.
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20 MeSH Terms
The association between LRP-1 variants and chylomicron uptake after a high fat meal.
Frazier-Wood AC, Kabagambe EK, Wojczynski MK, Borecki IB, Tiwari HK, Smith CE, Ordovas JM, Arnett DK
(2013) Nutr Metab Cardiovasc Dis 23: 1154-8
MeSH Terms: Adult, Alleles, Chylomicrons, Diet, High-Fat, Dietary Fats, Female, Genetic Association Studies, Humans, Intestinal Absorption, Linkage Disequilibrium, Low Density Lipoprotein Receptor-Related Protein-1, Magnetic Resonance Spectroscopy, Male, Meals, Middle Aged, Minnesota, Oligonucleotide Array Sequence Analysis, Polymorphism, Single Nucleotide, Postprandial Period, Utah
Show Abstract · Added May 19, 2014
BACKGROUND AND AIMS - In vitro studies suggest that low density lipoprotein receptor-related protein 1 (LRP1) plays a role in the secondary uptake of chylomicrons. In addition, in vivo studies using LRP-1 knockout mice show these animals exhibit delayed chylomicron clearance. Whether this is true in humans is unknown. We aimed to determine whether genetic variants in LRP-1 are associated with postprandial chylomicron uptake in humans given an oral fat challenge.
METHODS AND RESULTS - As many as 817 men and women (mean age +/- standard deviation = 48.4 +/- 16.4 years) forming the study population for the Genetics of Lipid Lowering Drugs Network (GOLDN) study ingested an oral fat load of 700 kilocalories per m² of body surface area at 83% fat, after an 8-h fast. Chylomicrons were measured by nuclear resonance spectroscopy (NMR) at fasting, and 3.5 and 6 h after the meal. 26 Single nucleotide polymorphisms (SNPs) in the LRP-1 gene were genotyped on the Affymetrix 6.0 array. Chylomicrons were, as expected, zero at fasting. Mixed linear models adjusted for age, sex, study site and pedigree tested for associations between LRP-1 SNPs and changes in chylomicron concentrations 3.5-6 h. A gene-based test across all 26 SNPs was conducted which corrected for the linkage disequilibrium (LD) between SNPs. 11 LRP-1 SNPs were significantly associated with the change in chylomicron concentration correction for multiple testing (Q < 0.05). The subsequent gene-based test, was also significant (P = 0.01).
CONCLUSION - These results require replication but strongly indicate the role of LRP1 in postprandial lipoprotein uptake and/or clearance.
Copyright © 2013 Elsevier B.V. All rights reserved.
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20 MeSH Terms
Let them eat during dialysis: an overlooked opportunity to improve outcomes in maintenance hemodialysis patients.
Kalantar-Zadeh K, Ikizler TA
(2013) J Ren Nutr 23: 157-63
MeSH Terms: Dietary Supplements, Humans, Hypoalbuminemia, Meals, Nutritional Status, Nutritional Support, Protein-Energy Malnutrition, Randomized Controlled Trials as Topic, Renal Dialysis, Renal Insufficiency, Chronic, Serum Albumin
Show Abstract · Added August 15, 2013
In individuals with chronic kidney disease, surrogates of protein-energy wasting, including a relatively low serum albumin and fat or muscle wasting, are by far the strongest death risk factor compared with any other condition. There are data to indicate that hypoalbuminemia responds to nutritional interventions, which may save lives in the long run. Monitored, in-center provision of high-protein meals and/or oral nutritional supplements during hemodialysis is a feasible, inexpensive, and patient-friendly strategy despite concerns such as postprandial hypotension, aspiration risk, infection control and hygiene, dialysis staff burden, diabetes and phosphorus control, and financial constraints. Adjunct pharmacologic therapies can be added, including appetite stimulators (megesterol, ghrelin, and mirtazapine), anabolic hormones (testosterone and growth factors), antimyostatin agents, and antioxidative and anti-inflammatory agents (pentoxiphylline and cytokine modulators), to increase efficiency of intradialytic food and oral supplementation, although adequate evidence is still lacking. If more severe hypoalbuminemia (<3.0 g/dL) not amenable to oral interventions prevails, or if a patient is not capable of enteral interventions (e.g., because of swallowing problems), then parenteral interventions such as intradialytic parenteral nutrition can be considered. Given the fact that meals and supplements during hemodialysis would require only a small fraction of the funds currently used for dialysis patients this is also an economically feasible strategy.
Copyright © 2013 National Kidney Foundation, Inc. Published by Elsevier Inc. All rights reserved.
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11 MeSH Terms
"She looks out for the meals, period": African American men's perceptions of how their wives influence their eating behavior and dietary health.
Allen JO, Griffith DM, Gaines HC
(2013) Health Psychol 32: 447-55
MeSH Terms: African Americans, Aged, Diet, Female, Focus Groups, Food Preferences, Gender Identity, Humans, Interpersonal Relations, Male, Meals, Men's Health, Michigan, Middle Aged, Spouses
Show Abstract · Added March 27, 2014
OBJECTIVE - Women play a critical role in men's dietary health, but how men think about the nature and mechanisms of their wives' influence on their eating behavior is not well understood. This study examined how African American men described the roles their wives played in shaping their eating behavior.
METHODS - Thematic content analysis was used to analyze data from nine exploratory focus groups conducted with a convenience sample of 83 African American men who were middle aged or older and lived in southeast Michigan.
RESULTS - Men perceived having more freedom to choose what they ate while eating out, even when accompanied by their wives, compared with at home. The men indicated their wives influenced what they ate at home more than their own preferences. They described traditional gendered food roles at home and were satisfied that their wives played a dominant role in household food preparation and decision making. Men had mixed feelings about wives' efforts to prepare healthier meals. While they appreciated that their wives cared about their health, the men felt they were rarely consulted on how meals could be healthier and often disliked the healthy changes their wives made. The men prioritized keeping their wives happy, preserving spousal division of roles, and maintaining marital harmony over participating in food decision making or expressing their personal food preferences.
CONCLUSIONS - Interventions to improve married African American men's eating behaviors need to explicitly consider that men may prioritize marital harmony and the preservation of spousal food roles over their tastes, preferences, and desired food decision making roles.
2013 APA, all rights reserved
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15 MeSH Terms