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580 U N I T 3  Nutrition in Clinical Practice

               Table 21.6 Choice Lists and Examples of Representative Foods

               Choice Lists                      Examples of Representative Foods

               Animal protein foods              Beef, fish, eggs, poultry, shellfish
               High-protein foods that are also
                                                 Cheese, dried peas and beans, milk, yogurt, tofu
                  high in sodium, potassium,     Canned tuna and salmon; cottage cheese; deli
                  and/or phosphorus
                                                    beef or turkey; processed meats, bacon,
               Vegetables and fruit                 vegetarian burgers
                  Low potassium
                                                 Cabbage, carrots, corn, eggplant, green beans,
                  Medium potassium                  onions
                  High potassium
                                                 Apples, blueberries, grapes, pineapples, watermelon
               Milk and other high-phosphorus    Asparagus, broccoli, celery, peas, turnips, zucchini
                  choices                        Cantaloupe, mangoes, papaya, fresh peaches
                                                 Avocado, Brussels sprouts, “greens,” okra,
               Bread, cereal, and grain
                                                    potatoes, pumpkin, spinach, sweet potatoes,
               Bread, cereal, and grain with        tomatoes, yams
                  added sodium and phosphorus    Apricots, bananas, nectarines, orange juice, prune
                                                    juice
               Fluids
                                                 Cheese, cooked dried peas and beans, oatmeal,
               “Free” foods for calories            milk, nuts, nut butters, soy milk, bran cereals,
                                                    yogurt

                                                 Bagel, bread, pita, flour tortilla, low-sodium
                                                    ready-to-eat cereals, pasta, rice, unsalted
                                                    crackers

                                                 Biscuits, cake, oatmeal, most ready-to-eat cereals,
                                                    pancakes, waffles, pretzels

                                                 Beverages, ice, soup, gelatin; ice cream and ice milk
                                                    (each melt to ½ initial volume)

                                                 Gumdrops, hard candy, jelly, jelly beans, Life
                                                    Savers, margarine, mayonnaise, sugar, syrup,
                                                    vegetable oil, nondairy whipped topping

               Source: Academy of Nutrition and Dietetics. (2012). Chronic kidney disease stage 5. Nutrition therapy for
               people on dialysis. In Nutrition care manual. Available at www.nutritioncaremanual.org. Accessed 7/6/12.

ACUTE KIDNEY INJURY

                             The sudden loss of renal function, previously known as acute renal failure, is now referred
                             to as acute kidney injury (AKI). It is characterized by increases in serum creatinine and
                             blood urea nitrogen levels. Urine output can be classified as anuria (Ͻ100 mL/day), oligu-
                             ria (100–400 mL/day), or nonoliguria (Ͼ400 mL/day) (Kalista-Richards, 2011).

                                  Among the many causes of AKI are shock, severe infection, trauma, medications,
                             and obstruction. It is often part of multiple organ dysfunction in the critical care setting.
                             Despite improvements in dialysis therapy and nutrition support, the mortality of AKI
                             continues to be 50% to 60% (Brown, Compher, and the American Society for Paren-
                             teral and Enteral Nutrition [ASPEN] Board of Directors, 2010). The poor prognosis is
                             related mainly to the degree of underlying illness and associated hypercatabolism. The
                             primary focus of treatment is to treat the underlying disorder to prevent permanent renal
                             damage.
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