DEBATE? THERE IS NO DEBATE Traditional Perioperative Care •Starve •Stress •Drown Functional capacity Enhanced recovery after surgery Surgery Multi-modal intervention Traditional care Days Weeks KCH Fearon 2004 PATIENT’S JOURNEY C L I N I C Surgery Preop ↨ Anesthesia H D U Ward Audit of compliance & outcomes Home Core Protocol Audit of compliance/ outcomes Preadmission counselling Selective bowel-prep Perioperative oral nutrition CHO- loading/no fasting No - premed Early removal of catheters/drains No NG tubes ERAS Stimulation of gut mobility Short-acting Anaesthetic agent Prevention of nausea and vomiting Non-opial oral Analgetics/NSA ID`s Standard mobilisation Thoracic epidural Anaesthesia Avoidance of Sodium/fluid overload Short incisions Warm air body heating in theatre FLUIDS FOOD RESUSCITATION WET IS BEST ELECTIVE SURGERY BALANCED IS BETTER KCH Fearon 2004 Post-op Weight Gain Following Colorectal Resection 3-6kg Lobo et al, Lancet 359: 1812-18 Brandstrup et al, 2002; Annals Surg 2003; 238: 641-8 Hypothesis Fluid/Saline Overload Hypoalbuminaemia/Acidosis/Hyperchloraemia Gut oedema/Malfunction Delayed recovery Effect of salt and water balance in recovery of gastrointestinal function after elective colonic resection 20 colonic resection patients 10 Standard IV fluids 10 Restricted IV* fluids (* 2l H20 and 77mmol NaCl) Lobo et al, 2002 Lancet; 359: 1812-8 Effect of fluid and salt restriction in post-op recovery Standard Group Restricted Group 4 3 2 p<0.0001 1 0 Standard Group Restricted Group 40 -1 Serum albumin (g/L) Change in weight (kg) 5 p=0.01 35 30 -2 0 1 2 3 4 Postoperative days 5 25 Preop 1 2 3 4 Postoperative days 5 6 Effect of fluid and salt restriction in post-op recovery 200 200 n=10 n=10 n=10 p=0.028 150 100 50 0 Standard Group Restricted Group Liquid phase gsric emptying time T50 (min) Solid phase gastric emptying time T50 (mm) 250 150 n=10 p=0.017 100 50 0 Standard Group Restricted Group Post-op Fluid Management OPERATION POST-OP 2-4d 4-6L TRADITIONAL 2-3L 1-2d BALANCED 2-3L 1-2L What is the evidence base to suggest that BALANCED fluid management can improve outcomes? Effects of IV fluid restriction on post-op complications 172 Colorectal resection patients 86 Standard IV fluids 86 Restricted IV fluids 72 competed 69 completed Brandstrup et al, 2003; 238: 641-8 Number of Patients with Complications (Per-Protocol Analysis) Blinded Assessment Restricted Group Standard Group p value Overall complications 21 40 0.003 Major complications † 8 18 0.040 Minor complications † 15 36 0.000 Tissue-healing complications † 11 22 0.040 Cardiopulmonary complications † 5 17 0.007 Effect of Intra-operative Fluid Management on Outcome after Intra-abdominal Surgery Randomised n=152 n=75 n=77 Liberal regimen (Bolus 10ml/kg followed By 12ml/kg/hr) Restricted regimen (4ml/kg/hr) P Intra-op 3.8 ± 1.2 L 1.4 ± 1.0 L <0.001 Day 1 2.0 ± 0.5 L 2.2 ± 0.5 L N.S. Day 2 2.0 ± 0.5 L 2.1 ± 0.5 L N.S. Day 3 1.9 ± 0.5 L 2.0 ± 0.5 L N.S. Nisanerich et al 2005, Anaesthesiology; 103: 25-32 Effect of Intra-operative Fluid Management on Outcome after Intraabdominal Surgery Outcome Restricted Liberal P No. of pts with complications Length of stay (d) 13 23 <0.05 8 9 <0.01 Moved bowels (d) 4 6 <0.001 Nisanevich et al 2005, Anaesthesiology; 103: 25-32 If you Limit Intra-operative Fluids (10ml/kg/hr), does Early Discontinuation of IV Fluids Influence Outcome? Colorectal n=80 n=41 STANDARD n=39 LIMITED 3L H20/d 154mmol Na/d 3d 2L H20/d 60mmol Na/d 1d Makay et al (sumbitted) Effect of Restricted Intra-op Fluids Plus Discontinuation of IV Fluids on Day 1 Restricted ‘Liberal’ P No of complications 14 10 NS Length of stay (day) 6 6 NS Moved bowels (day) 4 4 NS Makay et al (submitted) BALANCED IS BEST Postoperative early enteral nutrition Lewis BMJ 2001 Traditional Care Day1 ERAS Day1 Effect of ERAS on spontaneous oral diet Food intake kcal / 24h 1600 1200 800 400 0 1 2 3 4 Postop days Nygren Clin Nutr 2003 traditional care enhanced-recovery protocol Complications, length of stay and readmissions within 30 days of colorectal resection ERAS n = 425 Traditional* n = 451 Anastomotic leak % 4.2 3.9 Mortality % 1.2 1.5 5 8 Actual length of stay (days) (median) P <0.01 * Nygren et al Clin Nut 2005;24:455-461 ERAS GROUP THE END