Lung Ultrasound Versus Dynamic Lung Compliance to Detect the Optimum PEEP After Alveolar Recruitment for Patients Undergoing Laparoscopic Gastric Sleeve Surgery

Lung Ultrasound Versus Dynamic Lung Compliance to Detect the Optimum PEEP After Alveolar Recruitment for Patients Undergoing Laparoscopic Gastric Sleeve Surgery, Randomized Clinical Trial

The aim of this study is to evaluate The role of transthoracic lung US as a clinical tool in Comparison to dynamic lung compliance for detection of optimum PEEP for obese patients undergoing laparoscopic gastric sleeve surgery.

Inclusion Criteria:

• physical status American Society of Anesthesiologist(ASA) I or II

Exclusion Criteria:

• Patients refuse ASA physical status more > II
• Patients with pre-existing significant pulmonary disease with abnormalities in spirometry, previous lung surgery, home oxygen therapy and significant cardiac dysfunction.
• Patients with pulmonary hypertension.