Comparisons of iv Ibuprofen and iv Paracetamol During Bariatric Surgery

Inclusion Criteria: * Patients undergoing laparoscopic sleeve gastrectomy and gastric by-pass surgery Exclusion Criteria: * Hepatic disfunction, * Renal failure (creatinine \> 3 mg/dL,creatinin clearance \< 60 mL/dk or urine out-put \< 500 mL/day ) or a history of dialysis 28 days before surgery, * A history of gastrointestinal bleeding or bleeding diathesis 6 weeks before surgery, therapeutic dose of anticoagulation therapy (except subcutaneous heparin prophylactic dose), * Angiotensin converting enzymes inhibitor or antihypertensive combination with furosemide, * A history of opioid addiction or opioid tolerance * Allergy to study drugs, * Noncooperative patients for pain assessments