Nutrition screening and assessment of surgical patients Surgical
- Slides: 26
Nutrition screening and assessment of surgical patients Surgical Nutrition Training Module Level 1 Philippine Society of General Surgeons Committee on Surgical Training
Objectives • To discuss body composition analysis in surgical patients • To discuss ways to improve body composition and function to improve outcomes in surgery
Muscle and fat mass, all ages
Body compartments in health and disease CARBO + OTHER (1%) PROTEIN (14%) FAT (25%) WATER (60%) NORMAL PROTEIN (14%) PROTEIN (12%) PROTEIN (6%) FAT (15%) FAT (23%) WATER (72%) WATER (70%) STARVATION CRITICAL CARE FAT (30%) WATER (55%) OBESE
Loss of lean body mass = ↑mortality Loss of Total LBM Complications Associated Mortality 10% Decreased immunity Increased infections 10% 20% Decrease in healing, increase In weakness, infection Too weak to sit, pressure ulcers, Pneumonia, lack of healing Death, usually from pneumonia 30% 40% 50% 100% LBM=Lean Body Mass Demling RH. Nutrition, anabolism, and the wound healing process: an overview. Eplasty 2009; 9: e 9.
Principles in surgical nutrition • Surgery causes cellular damage and metabolic responses that increase energy and nutrient needs • Immunosuppression increases susceptibility to bacterial and other infectious agent intrusion with their corresponding side effects • Wound healing requires increased energy and nutrient needs • Malnutrition affects surgical outcome(s) • Optimum outcome is dependent on preparation, operative method, and adequate support
Malnutrition detection tools Nutrition screening Nutritional assessment
The surgical nutrition process All admitted patients are nutritionally screened All nutritionally at risk patients are assessed All high risk patients are given nutrition care plans Monitoring of the nutrition process is done Nutrition care plan modification / Discharge
STEP 1: NUTRITION SCREENING Goal: To identify the nutritionally at risk patients
The surgical nutrition process All admitted patients are nutritionally screened All nutritionally at risk patients are assessed All high risk patients are given nutrition care plans Monitoring of the nutrition process is done Nutrition care plan modification / Discharge
Basic data requirements • Body Mass Index – – <18. 5 – 24. 9 25 – 29. 9 30+ underweight normal overweight obese • Severe weight loss – >5% – >7. 5% – >10% in 1 month in 3 months in 6 months • Mid Arm Circumference – Male: – Female: Height and weight taken from regularly calibrated instruments <17. 6 cm <17. 1 cm
Nutrition Screening Form for Adult and Geriatric patients
Nutrition Screening Form for Pediatric patients boys
Nutrition Screening Form for Pediatric patients girls
Outcome: nutrition surveillance
NUTRITIONAL ASSESSMENT Goal: To identify the nutritionally HIGH RISK patients
The surgical nutrition process All admitted patients are nutritionally screened All nutritionally at risk patients are assessed All high risk patients are given nutrition care plans Monitoring of the nutrition process is done Nutrition care plan modification / Discharge
Nutritional Assessment and Risk Level Form
Outcome: complication prediction Predicting post-operative complications based on surgical nutritional risk level using the SNRAF in colon cancer patients - a Chinese General Hospital & Medical Center experience. Ocampo R B, Kadatuan Y, Torillo MR, Camarse CM, Malilay RB, Cheu G, Llido LO, Gilbuena AA. Yr 2007.
A filtering process
CASE DISCUSSION: NUTRITION SCREENING AND ASSESSMENT
Gastric CA • FM, 68 y/o, admitted because of gastric mass and admitted to undergo gastrectomy • Ht - 1. 65 m; Wt. 46 kg; BMI=16. 9 • Previous wt 4 months - 52 kg; % weight loss = 11% • Ancillary procedures: – – – Chest Xray: old (? ) PTB ECG: Normal heart CBC: Hb=10; WBC=6, 000; Platelets=250, 000; N%=70; L%=10 Electrolytes: Na=130; K=3. 2 BUN =25; Creatinine=1. 2 Albumin - 3
Nutrition screening 1. Is the BMI <18. 5 or >30? 2. Has the patient lost weight within the last three (3) months? 3. Did the patient have a reduced dietary intake in the last week? 4. Is the patient severely ill (e. g. in intensive therapy) 1. YES: BMI = 16. 9 2. YES: lost weight (11% in the last 4 months) 3. YES: reduced dietary intake 4. NO: not severely ill NUTRITION SCREEN RESULT: NUTRITIONALLY AT RISK
Nutritional assessment/Risk Level SGA: Weight loss: >10% and gastro symptoms = (grade C) (3 pts) → severe malnutrition BMI=16. 9 (2 pts) Albumin=3 (less than 3: 2 pts) TLC=600 (less than 900: 2 pts) Total Risk Score=9 Nutritional Assessment = Severe malnutrition Risk Level =High Risk of developing nutrition related complications
Final decision • Nutrition build up of this patient is mandatory for at least 5 to 10 days • Other options: – Do surgery then continuous post-operative nutrition maintenance and build up – Needs a Nutrition Care Plan • Rationale: body composition and reserves cannot provide optimum condition for good healing and fast recovery plus reduction of complications (infection, dehiscence, fistula formation)
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