Anaesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • Patients with American Society of Anesthesiologists (ASA) physical status of I or II. • Age between 18-55 years. • Elective laparoscopic bariatric surgery under general anesthesia
Exclusion criteria
Exclusion criteria: • Refusal of the patient. • ASA status more than II. • Patients age 55 years. • Patients with major obstructive and restrictive pulmonary diseases (<50% of predicted values for PFT varibles). • Patients with advanced renal or hepatic disease. • Patients who will need postoperative ventilatory support. • Patients with alcohol or drug dependence/abuse. • Contraindication to peripheral nerve block (coagulopathy, infection at the site, allergy to local anesthetics).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| •Spirometric values (FVC, FEV1, FEV1/FVC) preoperative and 24h postoperative | — |
Secondary
| Measure | Time frame |
|---|---|
| • Oxygenation: PaO2/FiO2 ratio preoperative, intraoperative, postoperative.;• Hemodynamics: mean arterial pressure (MAP) and heart rate (HR) preoperative, intraoperative, postoperative.;• Cumulative opioid consumption (IV morphine) in 1st 24h postoperative;• Pain severity score using numeric rating scale (NRS). NRS is a 10-point scale with 0 = no pain and 10 = worst imaginable pain. | — |
Countries
Egypt
Contacts
Lecturer of anathesia faculty of medicine Helwan University