Adding ketoprofen to intravenous patient-controlled analgesia with tramadol after major gynecological cancer surgery: a double-blinded, randomized, placebo-controlled clinical trial

S Tuncer, L Pirbudak, O Balat, M Capar
European Journal of Gynaecological Oncology 2003, 24 (2): 181-4
Ketoprofen is a NSAIDs of the 2-aryl propionic acid class commonly used in the treatment of inflammatory rheumatic disease, acute pain and fever. Clinically, ketoprofen seems to reduce morphine requirements by 33 to 40% with ketoprofen's supposed central mechanism of analgesia. We evaluated the efficacy and safety of intravenous (IV) ketoprofen as an adjuvant to IV PCA (patient controlled analgesia) with tramadol after major gynecological cancer surgery for postoperative analgesia. Fifty patients were enrolled in this double-blinded, randomized, placebo-controlled study. Patients were allocated randomly to two groups: group I (25 patients) served as a control group, with patients receiving saline; group II (25 patients) received ketoprofen. Patients received an intravenous bolus of saline or 100 mg ketoprofen at the end of surgery. Then, PCA was given as a 20 mg tramadol bolus and 10 min lockout time. Pain relief was regularly assessed using a visual analog scale. Tramadol consumption, side-effects, and patient satisfaction were noted during the 24 hours after the surgery. No significant difference was observed in pain score, side-effects and patient satisfaction between the groups (p > 0.05). The cumulative PCA-tramadol consumption was lower in the ketoprofen-treated patients than placebo-treated patients (p < 0.05). Our results demonstrate that a single dose of 100 mg ketoprofen reduced tramadol consumption for treatment of postoperative pain after major gynecological cancer surgery.

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