Randomized Controlled Trial
Value of single-injection or continuous sciatic nerve block in addition to a continuous femoral nerve block in patients undergoing total knee arthroplasty: a prospective, randomized, controlled trial.
Reg Anesth Pain Med. 2011 Sep 1; 36 (5): 481-8.
Randomized Controlled Trial
Postoperative analgesic efficacy of peripheral levobupivacaine and ropivacaine: a prospective, randomized double-blind trial in patients after total knee arthroplasty.
Anesth. Analg. 2008 May 1;106(5):1559-61, table of contents.
Randomized Controlled Trial
Analgesia and functional outcome after total knee arthroplasty: periarticular infiltration vs continuous femoral nerve block.
Br J Anaesth. 2010 Aug 1;105(2):185-95.