38
Participants
Start Date
January 31, 2009
Primary Completion Date
April 30, 2009
Study Completion Date
June 30, 2009
radiofrequency neurotomy for genicular nerve
RF cannula was advanced percutaneously towards areas connecting the shaft to epicondyle of femur or tibia. Lidocaine (1 mL of 2%) was injected before activation of the RF generator (NeuroThermTM, Morgan automation LTD, Liss, UK). RF electrode was inserted through RF cannula. The temperature of the electrode tip was raised to 70℃ for 90 seconds by radiofrequency generator.
radiofrequency neurotomy sham therapy
The placebo (sham) group received the same procedure without activation of the RF generator.
Asan Medical Center, University of Ulsan College of Medicine, Seoul
Lead Sponsor
Asan Medical Center
OTHER