https://www.selleckchem.com/pr....oducts/corticosteron
BACKGROUND Continuous femoral nerve block (FN has been effectively used after total hip arthroplasty (THA). Recently the anterior approach to quadratus lumborum block (QL has been shown to produce postoperative pain relief after THA. Continuous QLB would benefit from a catheter insertion site that is farther away from the surgical site compared with continuous FNB. In this randomized controlled study, we compared analgesic effects of the two techniques in patients undergoing THA. METHODS Thirty patients undergoing THA were ra