• 1. Department of Anesthesiology; the First Hospital of Handan City, Handan, Hebei 056002, P. R. China;
  • 2. Operating Room; the First Hospital of Handan City, Handan, Hebei 056002, P. R. China;
  • 3. Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
  • 4. Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
WangXiao, Email: wangxiao2005@hotmail.com
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Objective To evaluate the feasibility and efficiency of patient-controlled analgesia and sedation (PCAS) with propofol and remifentanil for colonoscopy in elderly patients. Methods Sixty elderly patients preparing for painless colonoscopy between May and September 2015 were randomly allocated into PCAS group and total intravenous anesthesia (TIVA) group with 30 patients in each. In the PCAS group, the mixture of remifentanil and propofol at 0.6 mL/(kg·h) was pumped continuously after an initial bolus of 0.05 mL/kg mixture. The examination began three minutes after the infusion was finished. Patients could press the self-control button. Each bolus delivered 1 mL and the lockout time was 1 minute. In the TIVA group, patients received fentanyl at 1 μg/kg and midazolam at 0.02 mg/kg intravenously, and accepted intravenous propofol at 0.8-1.0 mg/kg two minutes later. The examination began when the patients lost consciousness. Results A significant decline of mean arterial blood pressure was detected within each group after anesthesia (P < 0.05). The decrease of mean blood pressure in the TIVA group was more significant than that in the PCAS group (P < 0.05). The heart rate, pulse oxygen saturation and respiratory rate decreased significantly after anesthesia in both the two groups (P < 0.05), while end-tidal CO2 increased after anesthesia without any significant difference between the two groups (P > 0.05). The induction time, time to insert the colonoscope to ileocecus, and total examination time were not significantly different between the two groups (P > 0.05). As for the time from the end of examination to OAA/S score of 5 and to Aldrete score of 9, the PCAS group was significantly shorter than the TIVA group (P < 0.05). Conclusion PCAS with remifentanil and propofol can provide sufficient analgesia, better hemodynamic stability, lighter sedation, and faster recovery compared with TIVA.

Citation: SongHuayong, ZhangTao, ZhangGuangxin, MaXingjuan, LiuJuan, WangXiao, WangChunhui. Patient-controlled Analgesia and Sedation with Remifentanil and Propofol for Colonoscopy in Elderly Patients. West China Medical Journal, 2016, 31(10): 1682-1685. doi: 10.7507/1002-0179.201600463 Copy

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