120
Participants
Start Date
March 29, 2023
Primary Completion Date
March 29, 2025
Study Completion Date
March 29, 2025
15-min supine time
The length of preoperative supine time before AVS was 15 minutes.
2-hour supine time
The length of preoperative supine time before AVS was 2 hours.
RECRUITING
The second affiliated hospital of zhejiang university school of medicine, Hangzhou
Second Affiliated Hospital, School of Medicine, Zhejiang University
OTHER