Abstract

Objective To evaluate the optimum compatibility of nabufine mixed with flurbiprofen for patient-controlled intravenous analgesia (PCIA) after gynecological laparoscopic surgery. Methods A total of 210 patients, aged 18-64 yr, with body mass index of 18-30 kg/m2, of American Society of Anesthesiologist physical status Ⅰor Ⅱ, scheduled for gynecological laparoscopic surgery under general anesthesia, were divided into 4 groups using a random number table method: sufentanil 2.0 μg/kg+ flurbiprofen axetil 2.0 mg/kg group (SF group, n=55), nalbuphine 1.5 mg/kg+ flurbiprofen axetil 2.0 mg/kg group (N1F group, n=49), nalbuphine 2.0 mg/kg+ flurbiprofen axetil 2.0 mg/kg group(N2F group, n=55) and nalbuphine 3.0 mg/kg + flurbiprofen axetil 2.0 mg/kg group (N3F group, n=51). PCIA solution was prepared correspondingly after surgery in each group. The PCA pump was set up to deliver a 1 ml bolus dose with a 15-min lockout interval and background infusion at 2.0 ml/h. Nalbuphine 5 mg or sufentanil 5 μg was intravenously injected as a rescue analgesic to maintain visual analogue scale score at rest <4 at 48 h after surgery in SF and N1F-N3F groups. Ramsay sedation scores were recorded on admission to post-anesthesia care unit (T1), at the time of post-anesthesia care unit discharge (T2) and at 6, 24 and 48 h after surgery (T3-5). The total pressing times of PCIA in 0-6 h, 6-24 h and 24-48 h periods after surgery and requirement for rescue analgesics were recorded. The incidence of adverse reactions such as nausea and vomiting, drowsiness and shivering within 48 h after surgery was also recorded. Results Compared with group SF, the incidence of nausea and vomiting was significantly decreased in N1F and N2F groups, the requirement for rescue analgesics was significantly decreased, and the total pressing times of PCIA was reduced in N2F and N3F groups, and Ramsay sedation scores at T3, 4 were significantly increased in group N3F (P 0.05). Conclusion Nabufine 2.0 mg/kg mixed with flurbiprofen 2.0 mg/kg is the optimum compatibility when used for PCIA after gynecological laparoscopic surgery. Key words: Nalbuphine; Flurbiprofen; Analgesia, patient-controlled; Laparoscopy

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