In a prospected randomized study, it was compared the use of Sufentanil Sublingual PCA System (15mcg per tablet, 20 minutes lockout) with intravenous PCA Morphine based on 1mg morphine on-demand 10 minutes lockout and a baseline perfusion of 1mg/hour.
45 patients capable of comply a PCA regime submitted to total knee arthroplasty, total hip arthroplasty and abdominal hysterectomy were enrolled in the study. During the first 48 hours, it was accessed daily pain scores, PCA use, need for rescue therapy, adverse effects, global satisfaction as well as postoperative quality recovery. Brief Pain Inventory was performed before surgery and 4 months later.