No evidence of a clinically important effect of adding local infusion analgesia administrated through a catheter in pain treatment after total hip arthroplasty. - Specht, Kirsten; Leonhardt, Jane Schwartz; Revald, Peter; Mandøe, Hans; Andresen, Else Bay; Brodersen, John; Kreiner, Svend; Kjaersgaard-Andersen, Per (Acta Orthopaedica, 2011)