Quality of Recovery Following Opioids Free Anaesthesia in Laparoscopic Sleeve Gastrectomy

Inclusion Criteria: * 70 ASA II - III adult patients (18-60 years old) * Elective laparoscopic bariatric surgery. * Body mass index (BMI) is from 40 to 60 * Trocar sites at or above the umbilicus (T 10 dermatome). Exclusion Criteria: * Allergy to amino-amide local anaesthetics, * presence of coagulopathy * local skin infection at injection sites, * preoperative chronic dependence upon opioid and NSAID medications, * liver or renal insufficiency, * history of psychiatric or neurological disease, deafness, * previous open surgery, * patients who need to be converted to open surgery with more tissue trauma, * ASA (American society of anesthesiologists) class above III were excluded.