Relaxation music decreases the dose of patient-controlled sedation during colonoscopy: A prospective randomized controlled trial

Autor: Lee, D.W.H., Chan, K.-W., Poon, C.-M., Ko, C.-W., Chan, K.-H., Sin, K.-S., Sze, T.-S., Chan, A.C.W.
Zdroj: Gastrointestinal Endoscopy; January 2002, Vol. 55 Issue: 1 p33-36, 4p
Abstrakt: Background: A prospective randomized controlled trial was performed to test the hypotheses that music decreases the dose of sedative medication required for colonoscopy and that the combination of music and patient-controlled sedation improves patient acceptance of colonoscopy. Methods: One hundred sixty-five patients scheduled to undergo elective colonoscopy were randomized to receive 1 of 3 different modes of sedation: Group 1, a combination of music and patient-controlled sedation with a mixture of propofol and alfentanil; Group 2, patient-controlled sedation alone; Group 3, music alone with diazemuls and meperidine administered intravenously if requested by the patient. Each bolus of patient-controlled sedation delivered 4.8 mg propofol and 12 @mg alfentenil. Music was provided by means of a portable compact disc machine with headphones. Outcome measures assessed immediately after colonoscopy and 24 hours later included dose of patient-controlled sedation used, complications, recovery time, pain score, satisfaction score, and willingness to repeat the procedure with the same mode of sedation. Results: The mean (SD) dose of propofol used in Group 1 was significantly less than Group 2 (0.84 mg/kg [0.69 mg/kg] vs. 1.15 mg/kg [0.83 mg/kg]; p = 0.02, t test). The mean (SD) satisfaction score was higher in Group 1 (7.8 [2.1]) compared with Group 2 (6.8 [2.3]) and Group 3 (7.4 [2.3]) (p = 0.05, 1-way analysis of variance). The majority of patients in Group 1 were willing to repeat the same mode of sedation when queried immediately after colonoscopy (87%) and 24 hours later (75%), which was significantly different from the corresponding results in the other 2 groups; p = 0.04 and p < 0.01 respectively, chi-square test. Conclusions: Music can decrease the dose of sedative medication required for colonoscopy. The combination of music and patient-controlled sedation was the best-accepted mode of sedation among 3 groups. (Gastrointest Endosc 2002;55:33-6.)
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