The Effects of Individualized Lung-protective Ventilation With Lung Dynamic Compliance-guided Positive End-expiratory Pressure(PEEP) Titration on Postoperative Pulmonary Complications of Pediatric Video-assisted Thoracoscopic Surgery

Positive end-expiratory pressure is the mechanical ventilator that generates positive pressure during the inspiratory phase to pass gas into the lungs. When the airway opens at the end of expiration, the airway pressure remains above atmospheric pressure to prevent the alveoli from shrinking and collapsing.In this intervention arm It will be set to 5 cmH2O until the end of the operation.

Positive end-expiratory pressure is the mechanical ventilator that generates positive pressure during the inspiratory phase to pass gas into the lungs. When the airway opens at the end of expiration, the airway pressure remains above atmospheric pressure to prevent the alveoli from shrinking and collapsing.In this intervention arm It will be set to individual value until the end of the operation.The individualized values are obtained by observing the maximum Lung dynamic compliance during PEEP titration.