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Impact of nutrition care in surgery Surgical Nutrition Training Module Level 1 Philippine Society of General Surgeons Committee on Surgical Training Objectives • To discuss the impact of surgery on body composition, endocrine, and metabolic status • To discuss the use of nutrition in modifying the impact of surgery on the patient Surgery affects body composition and function (response to injury) SURGERY • • INFLAMMATION Metabolic response Endocrine response POST-SURGERY STATUS • Resolution of inflammation • Wound healing • Recovery COMPLICATIONS • Malnutrition • Inadequate intake • Current body composition • Pre-op preparation (NPO, antibiotic, fluid balance) • Post-op management Nutrition management COMPOSITION 1. Carbohydrates 2. Lipids LCT (structural) MCT (energy) Fish Oils (immunomodulation) 3. Protein BCAA Glutamine 4. Vitamins/Trace elements 5. Antioxidants • • • • 1. Sustains cellular metabolism and functions (MACRO & MICRONUTRIENTS) 2. Sustains mucosal cell quality and function (=GLUTAMINE) 3. Mucosal immunity sustained (GLUTAMINE & FISH OILS) 4. Reverses CARS (FISH OILS, GLUTAMINE, ANTIOXIDANTS) Requires protocols for access, feeding patterns, delivery Needs calorie and protein counting practice Strict fluid balance MAY BE ENTERAL AND /OR PARENTERAL NUTRITION Surgery causes immunosuppression Nutrition management Eicosanoids Fish Oils: impact on liver function Gura K et al. Safety and Efficacy of a Fish-Oil-Based Fat Emulsion in the Treatment of Parenteral Nutrition -Associated Liver Disease. Pediatrics 2008; 121: e678-68. Severely malnourished patiets • Nutritional build-up is required – Current ESPEN and ASPEN guidelines – Feeding pathways PRE-OPERATIVE PHASE severe Scheduled • esophageal resection • gastrectomy • pancreaticoduodenectomy Enteral nutrition for 10-14 days oral immunonutrition for 6-7 days malnutrition no slight, moderate SURGERY Early oral feeding within 7 days POST-OP EARLY DAY 1 - 14 no yes Enteral access (NCJ) within 4 days enteral nutrition Oral intake of energy requirements no yes immunonutrition for 6-7 days yes “Fast Track” no Parenteral hypocaloric combined enteral / parenteral Adequate calorie intake within 14 days LATE DAY 14 yes no Oral intake of energy requirements supplemental enteral diet no yes Feeding algorithm Can the GIT be used? “Inability to use the GIT” Yes No “inadequate intake” Parenteral nutrition Oral Tube feed < 75% intake Short term Long term Peripheral PN Central PN More than 3-4 weeks Yes No NGT Gastrostomy Nasoduodenal or nasojejunal Jejunostomy A.S.P.E.N. Board of Directors. Guidelines for the use of parenteral and enteral nutrition in adult and pediatric patients, III: nutritional assessment – adults. J Parenter Enteral Nutr 2002; 26 (1 suppl): 9SA-12SA. Outcome of surgical patients Del Rosario D, Inciong JF, Sinamban RP, Llido LO. The effect of adequate energy and protein intake on morbidity and mortality in surgical patients nutritionally assessed as high or low risk. Clinical Nutrition Service, St., Luke’s Medical Center, 2008. Nutrition team and intake Llido et al. Nutrition team supervision improves intake of critical care patients in a private tertiary care hospital in the Philippines: report from years 2000 to 2011 (for submission) Surgery induces insulin resistance Insulin signaling blocked ↓ GLUT4 activity ↑ blood glucose Witasp A et al. Expression of inflammatory and insulin signaling genes in adipose tissue in response to elective surgery. J Clin Endocrinol Metab 2010; 95(7): 3460–9. [IRS1=insulin receptor substrate1; SOCS3, suppressor of cytokine signaling 3] Fasting (within 2-3 days acceptable) Awad S et al. The effects of fasting and refeeding with a ‘metabolic preconditioning’ drink on substrate reserves and mononuclear cell mitochondrial function. Clin Nutr 2010; 29: 538–44 Cancer Cachexia New paradigm in nutrition oncology High dose nutrition Standard content High dose nutrition Standard content Cancer patient Weight loss Cancer patient Weight loss Hardly any weight change Weight change Life span Better function BEFORE New drugs Surgery EN/PN Pharmaconutrition Aggressive mgt Supportive/function Exercise TODAY Fish oils and cancer Antioxidants 1. α-tocopherol 1,000 IU (20 mL) q 8h per naso- or orogastric tube 2. ascorbic acid 1,000 mg given IV in 100 mL D5W q 8h for the shorter of the duration of admission to the ICU or 28 days. Nathens AB, Neff MJ, Jurkovich GJ, Klotz P, Farver K, Ruzinski JT, Radella F, Garcia I, Maier RV. Randomized, prospective trial of antioxidant supplementation in critically ill surgical patients. Ann Surg. 2002; 236(6): 814-22. Management: • Goal: adequate intake – – – – – Protein, carbohydrates, fat Vitamins and trace elements Fish oils (EPA/DHA) Glutamine Antioxidants (vitamin C, Vitamin E, zinc, copper, selenium) • Strict fluid management – Saline and balanced salt solutions • Early enteral feeding Nutrition and fluid management go together INJURY = SURGERY Inflammatory mediators ↑K+ release from cells ↑vasodilation effect of anesthetic agents ↑albumin escape from intravascular space ↑hypotonic fluid infusion 90% cause of hyponatremia in surgery ↓K+ and ↑ Na intracellular Sick cell syndrome of critical illness Fluid Retention + Electrolyte Imbalance Lobo D, Macafee DL, Allison S. How perioperative fluid balance influences postoperative outcomes. Best Pract Res Clin Anaesthesiology 2006; 20(3): 439–55. Problems with saline Appropriate fluid management Ileus and dehiscence Salt and water overload ↑intra-abdominal pressure Intestinal edema ↓mesentery blood flow ↓tissue OH-proline STAT3 activation ↓myosin phosphorylation Intramucosal acidosis Impaired wound healing ↓muscle contractility ILEUS DEHISCENCE Chowdhury and Lobo. Curr Opinion Clin Nutr Metab 2011 Effect of positive fluid balance Brandstrup B et al. Effects of intravenous fluid restriction on postoperative complications: comparison of two perioperative fluid regimens: a randomized assessorblinded multicenter trial. Annals of Surgery 2003; 238: 641–648. SURGICAL CRITICAL CARE Inflammation phases of injury ↑inflammation→organ dysfunction ↑immunosuppression→infection→organ dysfunction 24 hours Moore FA. Presidential address: imagination trumps knowledge. Am J Surg 2010: 200: 671-7. Inflammation and organ failure in the ICU Inflammatory balance SIRS TNF, IL-1, IL-6, IL-12, IFN, IL-3 Tissue inflammation, Early organ failure and death Pharmaconutrition Early feeding days IL-10, IL-4, IL-1ra, Monocyte HLA-DR suppression CARS Insult (trauma, sepsis) 1. EPA/DHA (fish oils) 2. Glutamine 3. Antioxidants 4. Arginine 5. Vitamins 6. Trace elements weeks Immunosuppression 2nd Infections Delayed MOF and death Griffiths, R. “Specialized nutrition support in the critically ill: For whom and when? Clinical Nutrition: Early Intervention; Nestle Nutrition Workshop Series CONCLUSION Nutrition care in surgery • improves outcomes in surgery by addressing pathophysiologic changes induced by injury on the cellular and organ-system levels. • This is achieved through: – Appropriate fluid management – Early enteral nutrition – Adequate nutrient intake – Pharmaconutrients