90
Participants
Start Date
October 8, 2022
Primary Completion Date
February 28, 2023
Study Completion Date
February 28, 2023
Wear noise-cancelling earphones
Intervention of wearing noise-canceling earphones after general anesthesia
Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing
The Second Affiliated Hospital of Chongqing Medical University
OTHER