50
Participants
Start Date
January 31, 2014
Primary Completion Date
February 28, 2015
Study Completion Date
March 31, 2015
Short-duration tourniquet
Short-duration tourniquet group:inflate the tourniquet immediately before cement application and deflated after its hardening
Long-duration tourniquet
Long-duration tourniquet group: inflate the tourniquet immediately before incision and deflated after the hardening of the cement
Peking University People's Hospital
OTHER