Is the transdermal fentanyl patch an efficient way to achieve acute postoperative pain control

AbstractBackgroupd:This study investigated the plasma fentanyl concentration and efficacy of transdermal fentanyl patch (TFP) (25 μg/h) in the management of acute postoperative pain.Methods:Patients undergoing laparoscopic cholecystectomy were randomly allocated to 2 groups. The TFP group (n = 30) r