Optimal Interval for Periodic Alveolar Recruitment Maneuvers Achieving 90% Lung Re-expansion During Intraoperative Ventilation
ENROLLING_BY_INVITATION
Status
Conditions
- Major Abdominal Surgery
- Atelectasis
- Lung-protective Ventilation
- Lung Ultrasound Score
- Postoperative Pulmonary Complications
Interventions
- PROCEDURE: Different interval of PARM
Sponsor
Sixth Affiliated Hospital, Sun Yat-sen University