II. Defintions
- Nutritional Support Therapy
- Formulated enteral or Parenteral nutrients given to Restore nutritional status
-
Enteral Nutrition
- Gastrointestinal Tract delivery of Nutritional Support
-
Parenteral Nutrition
- Intravenous delivery of Nutritional Support
III. Indications
- No food intake secondary to underlying condition (adjusted for malnourishment at baseline)
- Adults: 5-7 days
- Children: 3-5 days
- Infants: 1-3 days
- Specific conditions
- See Nutrition in the Intensive Care Unit
- Impaired bowel function (e.g. short bowel syndrome)
- Severe prolonged hypercatabolic state
- Severe Protein-calorie Malnutrition (due to a treatable condition)
- Prolonged bowel rest (e.g. Inflammatory Bowel Disease exacerbation)
IV. Types
-
Enteral Nutrition
- Prefererred form of Nutritional Support
- Peripheral Parenteral Nutrition (PPN)
- Total Parenteral Nutrition (TPN)
V. Evaluation: General Evaluation
- See Subjective Global Assessment of Nutritional Status
- See Lab Markers of Malnutrition
- See Nutrition in the Intensive Care Unit
- Hospitalized Patient Nutrition Assessments
- Malnutrition Screening Tool
- Nutrition Risk Screening
- Short Nutritional Assessment Questionnaire
- Nutrition Care Process Framework (Registered Dietitian Nutritionist)
- Anthropometric measurement
- Biochemistry results and other test results
- Food and nutrition history
- Related Patient Medical history (including significant comorbidities)
- Nutrition focused physical exam
VI. Evaluation: Nutritional requirements
- Calories
- Child >5 years: 1500 kcal/day for weight of 20kg, then 25 kcal/day per each additional kg above 20 kg
- Adults: 25-35 kcal/kg/day
- Adults: Mifflin-St Jeor Equation (KCals/day or RMR)
- Males = 9.99 * wtKg + 6.25 * htCm - 4.92 * ageY + 5
- Females = 9.99 * wtKg + 6.25 * htCm - 4.92 * ageY -161
-
Protein
- Adults: 0.8 to 1.5 g/kg/day
- Higher Protein indications
- All Children and infants, as well as those adults in hypercatabolic or Protein losing states
- Bariatric Surgery (1 to 1.5 g/kg/day using Ideal Body Weight)
- Hemodialysis (1.2 to 1.5 g/kg/day)
- Critical Illness (1.2 to 2.0 g/kg/day)
- Obesity (2 to 2.5 g/kg/day)
- Pressure Ulcer (1.2 to 1.5 g/kg/day)
- Respiratory Disease (1.2 to 1.6 g/kg/day to maintain; increase to 1.6 to 2.0 for repletion)
- Fluid
- Fluid 1 ml/kcal OR
- Fluid 1500 ml per BSA (m2) OR
- Age based
- Age 16 to 30 years old: 35 to 40 ml/kg
- Age 31 to 54 years old: 30 to 35 ml/kg
- Age 55 to 65 years: 30 ml/kg
- Age >65 years: 25 ml/kg
- Other nutrients
- Linoleic Acid
- Dose: 2-4% of total calories should be in this form to prevent Essential Fatty Acid deficiency
- Linoleic Acid
VII. Prcautions
-
Refeeding Syndrome risk
- Start refeeding at one third or less of nutritional needs and gradually increase every 5-7 days