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Nutrition in the Elderly 36.4 Artificial Nutrition

Nutrition in the Elderly 36.4 Artificial Nutrition. Stéphane M. Schneider, MD, PhD Nutritional Support Unit, Nice University Hospital, France. Learning objectives. Know the most frequent indications for artificial nutrition Know the techniques and outcome

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Nutrition in the Elderly 36.4 Artificial Nutrition

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  1. Nutrition in the Elderly36.4Artificial Nutrition Stéphane M. Schneider, MD, PhD Nutritional Support Unit, Nice University Hospital, France

  2. Learning objectives • Know the most frequent indications for artificial nutrition • Know the techniques and outcome • Know the indications and results in specific clinical situations • Understand the need for ethical elements alongside the medical ones in deciding upon starting an elderly patient on artificial nutrition

  3. In which of the following patients is nutritional support NOT warranted? • 77 year old previously healthy female with severe dysphagia two weeks after a CVA • 69 year male with COPD and esophageal cancer who has lost 10 kilos • 65 year old newly edentulous patient who can’t chew a regular diet

  4. Enteral vs Parenteral? • When the gut works use it! • Even though using the gut can sometimes be a pain in the ***

  5. Benefits of Enteralvs Parenteral Nutrition • Maintains morphologic, functional integrity of GI tract • Avoids mechanical, metabolic complications of TPN • Decreases cost • Use of line for other purposes

  6. Subcutaneous infusion < 700 mOsm/L et 500 mL/j Water, glucose, minerals, vitamins, trace elements Pros Easy No DVT Free arms Little monitoring Cons Infection, pain, œdema Proofs ? Hypodermoclysis

  7. Feeding route (1) • Duration • Less than a month • More than a month • Risk of aspiration • Standard • Increased • Previous aspiration, decreased consciousness, dysphagia, endotracheal intubation, vomiting, supine position • Need for digestive surgery

  8. Feeding route (2)

  9. Requirements • Water • 30-40 mL/kg/day • Beware heart failure • Electrolytes • Add Na to EN formulas • Ca: 1,2 g/day in the elderly • Energy • Formulas such as Harris-Benedict • kcal/kg method • Indirect calorimetry

  10. Energy Requirements

  11. Protein Requirements

  12. Indications • Hospital • Secondary anorexia+++ • Home Howard and Malone AJCN 1997

  13. Outcome in EN patients Schneider et al. JPEN 2001

  14. EN in Geriatrics (1) • What are the aims of EN therapy in geriatrics? • Provision of sufficient energy, protein and micronutrients (quality and quantity) • Maintenance or improvement of nutritional status • Maintenance or improvement of function, activity and capacity for rehabilitation • Maintenance or improvement of quality of life • Reduction in morbidity and mortality Volkert et al. Clin Nutr 2006

  15. EN in Geriatrics (2) • EN increases energy and nutrient intake in geriatric patients (Ia). PEG feeding is superior to nasogastric feeding in this respect (Ia). • EN also maintains or improves nutritional parameters irrespective of the underlying diagnosis. • Adequate nutrition is a prerequisite for any functional improvement, although studies are too few and diverse to allow a general statement. • The effect of EN on quality of life is uncertain. Volkert et al. Clin Nutr 2006

  16. Good indications for EN • Undernutrition • Depression • Neurological dysphagia • Hip fracture • Depression • Early/moderate dementia

  17. Survival in HEN Schneider et al. JPEN 2001

  18. Bad indications for EN • Terminal illness • Late-stage dementia • Whether Alzheimer’s or not • « Refuses to eat » • « Pulls out his/her NGT » • Do not harm: ethical aspects • Patient, family, caregivers, nursing team • Ethics committee

  19. 7.0 1.0 6.0 0.8 5.0 0.6 4.0 3.0 0.4 2.0 0.2 1.0 0.0 0.0 0.10 0.08 0.06 <65 years 0.04 0.02 ≥65 years 0.00 Net improvement of nutritional parameters during cyclic enteral nutrition in young and elderly malnourished patients kg kg g/L NS P<0.001 P<0.01 P<0.05 D15 D28 D15 D28 Body weight Serum transferrin g/L g/L 4.0 P<0.05 P<0.05 3.0 NS NS 2.0 1.0 0.0 D15 D28 D15 D28 Serum prealbumin Serum albumin Hébuterne et al. JAMA 1995

  20. Estimation of energy excess for the gain of 1 kg in young and elderly malnourished patients Hébuterne et al. Personal data

  21. 250 20 yr 40 yr 200 60 yr 80 yr 150 100 50 0 -50 10 20 30 40 50 60 70 80 Effects of age on energy needs during TPN Correlation between daily BCM changes and energy provided during a 2-wk TPN in 325 mildly malnourished patients aged 20-80. Body cell mass gain (g/d) Energy provided (kcal/kg/d) Shizgal et al. Am J Clin Nutr 1992

  22. Key messages • Most indications are ideally addressed with enteral nutrition, rarely parenteral nutrition • Indications, products and techniques do not differ from adults, but the outcome is worse • Prolonged artificial nutrition will be performed at home or in an institution • Most demented patients will not benefit from artificial nutrition

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