Alveolar Recruitment Maneuvers on Reduction of Lung Atelectasis in Bariatric Surgery by Using Lung Ultrasound Score
Alveolar Recruitment Maneuvers, Atelectasis, Bariatric Surgery
About this trial
This is an interventional diagnostic trial for Alveolar Recruitment Maneuvers
Eligibility Criteria
Inclusion Criteria: Adult morbidly obese patients (Body mass index < 40kg / m2 or Body mass index < 35kg / m2 with obesity-related comorbidities such as hypertension, diabetes, and sleep apnea) undergo elective bariatric laparoscopic surgery with an expected duration of at least one hour under general anesthesia. Exclusion Criteria: Patient refusal to participate in the study. Patients with a previous history of thoracic surgery. Patients with a history of chest disease (COPD, emphysema, or pneumothorax). Patients with abnormal pre-operative chest radiographs such as pneumonia, pleural effusion. Patients with heart failure or impending failure. Patients with known hypovolemia. Patients with increased intracranial pressure.
Sites / Locations
- Alaa Mohsen Shahien
Arms of the Study
Arm 1
Arm 2
Active Comparator
Active Comparator
Lachmann maneuver
Staircase maneuver
Patients undergone the Lachmann recruitment maneuver (30 CmH2O PEEP for 30 seconds)
Patients undergone staircase recruitment maneuver (stepped increase in PEEP by 2 CmH2O every five breaths until reach upper deflection point