2.2 Participants
Patients with CTS who underwent slide tracheoplasty at our hospital between January 2015 and August 2019 were included in the study. Same surgeons worked throughout the study. Clinical data were collected before and after the establishment of the closed-PICU management system following the relocation of the hospital in May 2016 were retrospectively reviewed. Patients were categorized into two groups: an open-PICU group and a closed-PICU group. The open-PICU group underwent surgery between January 2015 and April 2016 and perioperative management was provided in an open PICU by cardiovascular and pediatric surgeons. The closed-PICU group underwent surgery between May 2016 and July 2019 and perioperative management was provided in a closed PICU by pediatric intensivists.