Enhanced Recovery After Surgery Protocal Versus Traditional Care in Laparoscopic Hepatectomy

1. Patient's preoperative counseling \& education before surgery 2. No Bowel preparation 3. Drug: Oral Carbohydrate Solution (OCS). Take 250ml OCS orally 2 hours before surgery 4. Fluid restriction \& Management by pulse contour analysis or transesophageal doppler 5. Early mobilization 6. Early oral feeding (postoperative 1 day - liquid diet, 2 days - semifluid diet (SFD), 3 days - normal diet) 7. Intravenous patient controlled analgesics (no opioids analgesics) 8. Postoperative Nausea Active Control 9. No nasogastric tube 10. No drain insertion 11. Patients will be discharged at POD#4 if there's no problem

1. No Patient's preoperative counseling \& education before surgery 2. Bowel preparation 3. No Oral Carbohydrate Solution (OCS) loading until 2hours before surgery 4. Conventional Fluid Management by clinical signs (Urine output, heart rate etc.) 5. Conventional Mobilization 6. Conventional oral feeding (POD#2 SOW, #3 SFD, #4 SBD) 7. IV PCA 8. Postoperative Nausea Control if needed 9. No Thromboembolism prophylaxis 10. No or Low Content Oxygen therapy 11. Drainage tube insertion if needed