51
Participants
Start Date
February 1, 2017
Primary Completion Date
April 30, 2018
Study Completion Date
April 30, 2018
Dexmedetomidine
Dexmedetomidine is common used to improve the prognosis and life quality of patients.
Saline
It is safe Placebo.
Anesthesiology department of General Hospital of Ningxia Medical University, Yinchuan
General Hospital of Ningxia Medical University
OTHER