[Educational plans in a comprehensive nursing course: "nutrition and meals", a unit in nursing technology].
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Consumer decisions to switch health plans have implications for quality of care and risk selection. We examine factors related to time to disenrollment in a Medicaid managed care program where beneficiaries face a menu of plans and can change plans every month. Several findings have direct policy relevance. Families and individuals who make active choices upon entering the program are at substantially lower risk of disenrollment than those who are auto-assigned. Interactions between enrollee ethnicity and provider language proficiency suggest that enrollee satisfaction depends on the cultural competence of providers. Differential disenrollment by risk status results in adverse retention for certain types of plans.
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As hospital length-of-stays decrease for children newly diagnosed with diabetes, there is an increased need to be time efficient while still providing the best quality care. The pediatric diet history form can save time while identifying important components necessary to write an individualized, consistent carbohydrate meal plan that is both flexible and realistic.
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For more than 50 years the exchange lists have been one method of meal planning for persons with diabetes as well as for those on weight-loss regimens. Little research has been conducted, however, concerning the methodologic basis of the system or its clinical effectiveness. Justification for specific food inclusions and general food groupings for the 1995 revision of the Exchange Lists for Meal Planning is provided by a database of foods and associated energy and macronutrient values. The mean energy and macronutrient values for each of the lists and sublists (starch, fruit, milk, and vegetables from the carbohydrate group; the meat and meal substitutes group, and the fat group) closely match the mean exchange values; however, the standard deviation and range are large. Interpretation of the database provides a rationale and guidance for decision making in clinical practice when using exchanges for meal planning, recipe, and food label calculations.
Carbohydrate counting is a meal planning approach used with clients who have diabetes that focuses on carbohydrate as the primary nutrient affecting postprandial glycemic response. The concept of carbohydrate counting has been around since the 1920s, but it received renewed interest after being used as 1 of 4 meal planning approaches in the Diabetes Control and Complications Trial. In the trial, carbohydrate counting was found to be effective in meeting outcome goals and allowed flexibility in food choices. Recent practice pattern surveys have shown an increasing interest in and use of carbohydrate counting for medical nutrition therapy for persons with diabetes. Carbohydrate counting can be used by clients with type 1, type 2, and gestational diabetes. Three levels of carbohydrate counting have been identified based on increasing levels of complexity. Level 1, or basic, introduces clients to the concept of carbohydrate counting and focuses on carbohydrate consistency. Level 2, or intermediate, focuses on the relationships among food, diabetes medications, physical activity, and blood glucose level and introduces the steps needed to manage these variables based on patterns of blood glucose levels. Level 3, or advanced, is designed to teach clients with type 1 diabetes who are using multiple daily injections or insulin infusion pumps how to match short-acting insulin to carbohydrate using carbohydrate-to-insulin ratios. All 3 levels emphasize portion control and offer opportunities for using creative teaching methods, such as "food labs," and use of a variety of carbohydrate resource tools and publications. In this article, glycemic effects of protein, fat, and fiber intake are discussed for persons with type 1 and type 2 diabetes. Decision trees are introduced for each level of carbohydrate counting and show the usual progression through each level. Carbohydrate counting as a meal planning approach offers variability of food choices with the potential for improving glycemic control. Research opportunities are available for those interested in comparing carbohydrate counting with other meal planning approaches for clients with diabetes and the effects on clinical outcomes.
Making healthy food choices can be challenging for individuals with diabetes. However, nutrition education and counseling can help people understand how food affects their blood glucose level. Education also helps them to understand how the diet for diabetes has changed to include more carbohydrate-based foods than in the past. We now know that no single diet works to treat all people with diabetes; instead, diets should be individualized to meet the unique needs of each person. A variety of meal-planning approaches can be used to fit the lifestyle, food preferences, and learning needs of different individuals. Health professionals and dietitians need to strive to encourage people with diabetes to use tailored meal plans as an effective part of their diabetes self-management plan.
Dietary intervention studies of human beings produce valuable information regarding dietary effects on biological processes and risk factors for chronic diseases. Using the well-controlled feeding approach, participants consume only foods that have been precisely prepared in a research kitchen, whereas in behavioral counseling studies, participants self-select their foods within guidelines. Because controlled feeding studies meticulously control experimental diets, they are intellectually and logistically challenging to conduct. They afford exciting opportunities for dietetic professionals in designing protocols, developing budgets, and collaborating in multidisciplinary research teams. Research dietitians use food composition data and chemical analysis of menus to prepare research diets with precision. They determine the energy requirements of subjects and adjust diets as required, most often for weight maintenance, throughout the study. All people involved in research must be attentive to the ethical treatment of the study participants while motivating them to adhere to the protocol requirements. Dietitians possess many of these skills, but may require training specific to well-controlled feeding studies. Information related to the conduct of controlled feeding studies has recently become more accessible. We provide an overview of well-controlled feeding study methodologies, proficiencies for planning and implementing these studies, and training resources.