164x Filetype PPT File size 0.79 MB Source: mymission.lamission.edu
Need for Nutrition Support • Nutrition support: delivery • Nutrition support may be of formulated nutrients by required to meet patient’s feeding tube or nutritional needs intravenous infusion – Patients often too ill to • Enteral nutrition: obtain energy & nutrients supplying nutrients using by consuming foods GI tract, including tube – Or illness may interfere feedings & oral diets with eating, digestion or • absorption Parenteral nutrition: intravenous provision of nutrients, bypassing the GI tract th Nutrition & Diet Therapy (7 Edition) Selecting a Feeding Route th Nutrition & Diet Therapy (7 Edition) Enteral Nutrition Support • Wide selection of enteral formulas, designed to meet variety of medical & nutritional needs • May be used alone or in conjunction with other foods • Many formulas can provide all of nutrient requirements if consumed in sufficient volume • Classified according to macronutrient composition • Preferred over intravenous feedings Enteral nutrition requires intact & normal GI function th Nutrition & Diet Therapy (7 Edition) Types of Enteral Formulas • Standard formula: for patients who can digest & absorb nutrients without difficulty; contains protein & carbohydrate sources • Hydrolyzed formulas: used for patients with compromised digestive or absorptive functions— macronutrients are partially or fully broken down & require little, if any, digestion before absorption • Disease-specific formulas: designed to meet nutrient needs of patients with particular disorders: liver, kidney, lung diseases, glucose intolerance, metabolic stress • Modular formulas: contain only one or two macronutrients; used to enhance other formulas th Nutrition & Diet Therapy (7 Edition) Enteral Nutrition in Medical Care • Oral use • Patients can drink enteral – Supplement diet when formulas when they are food consumption does unable to consume enough not meet need food from a conventional diet – Reliable source of nutrients & energy – Taste important consideration • Tube feedings – Used when patient cannot consume enough food or formula orally – Feeding delivered directly to stomach or intestine th Nutrition & Diet Therapy (7 Edition)
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