• K Dogru, H Madenoglu, K Yildiz, and A Boyaci.
• Department of Anaesthesiology, Erciyes University School of Medicine, Kayseri, Turkey. kdogru@erciyes.edu.tr
• J. Int. Med. Res. 2003 Jan 1; 31 (1): 31-5.

AbstractThe purpose of the study was to compare the clinical activity of remifentanil or alfentanil under propofol sedation with regard to respiratory rate, sedation and recovery rate when used for outpatient endometrial biopsy. Patients were randomized to receive intravenously either bolus remifentanil 0.4 microgram/kg and propofol 1 mg/kg in the remifentanil group (n = 30), or bolus alfentanil 20 micrograms/kg and propofol 1 mg/kg in the alfentanil group (n = 30). Patients were monitored for heart rate, systolic and diastolic arterial pressure, peripheral O2 saturation (SpO2), respiration rate, and Aldrete sedation score. Pulse oximetry was used to monitor heart rate and SpO2 during endometrial biopsy. Apnoea was observed in five patients from the remifentanil group, and in three patients from the alfentanil group. The groups did not differ with regard to apnoea incidences. Times were recorded for orientation and Aldrete score > 8, and were similar between the two groups (13.20 +/- 3.64 min and 14.0 +/- 3.87 min in the remifentanil group, 14.7 +/- 3.64 min and 15.9 +/- 3.15 min in the alfentanil group, respectively). The sedative and analgesic combination of remifentanil-propofol does not offer any advantages compared with a combination of alfentanil-propofol with regards to respiration and recovery during sedation for outpatient endometrial biopsy.

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