153
Participants
Start Date
May 9, 2017
Primary Completion Date
April 12, 2018
Study Completion Date
April 12, 2018
Initial bolus (Certa and standard catheter groups)
10 ml of ropivacaine 0,75% will be used to ensure correct position of the needle and to expand the adductor canal, followed by injection of another 10 ml of ropivacaine 0.75% via the catheter during real time US imaging to ensure correct placement of the catheter.
Initial bolus (Single bolus group)
20 ml of ropivacaine 0.75%
Intermittent boluses (Certa and standard catheter groups)
20 ml of ropivacaine 0.2% every 8 hour in the catheter
Intermittent boluses (Single bolus group)
0.1ml of ropivacaine 0.2% every 8 hour in the sham catheter
Gentofte Hospital, Copenhagen
University Hospital, Gentofte, Copenhagen
OTHER