Tuning consciousness: Anesthetic-sparing effect of varying sound on sedative anesthesia.

Journal of the Formosan Medical Association = Taiwan Yi Zhi
Ching Hao HuangChih Kai Shih

Abstract

This study aimed to identify the anesthetic-sparing effect of different intraoperative sound on sedated patients under propofol target controlled infusion anesthesia (TCI). 90 patients scheduled for transvaginal oocyte retrieval surgery (TVOR) were available and randomized into three groups: patients isolated from background noise(S), patients listened to a voice calling their names (CN), or patients listened to the classical music (CM). The main outcome was the value of total propofol consumption/surgical time. In the result, the value of total propofol consumption/surgical time for the CM group was 22.48% lower than CN group. The value of ΔEntropy and ΔCE for the CM group were also lower than that for the CN group (-2.17 ± 4.13 vs. 1.33 ± 3.43, P-value<0.001) (-0.17 ± 0.28 vs. 0.07 ± 0.25, P-value<0.001). We concluded that participants under propofol TCI who were listening to classical music had lower CE value, Entropy level and reduced 22.48% total propofol consumption/surgical time compared to those called by their names.

References

Jan 27, 2004·Anesthesia and Analgesia·Ariane K LewisRam Roth
Nov 17, 2007·Aging Clinical and Experimental Research·Nicola MammarellaCesare Cornoldi
Mar 19, 2008·Journal of Clinical Anesthesia·Jin Gu KangByung Dal Lee
Mar 22, 2008·Ambulatory Pediatrics : the Official Journal of the Ambulatory Pediatric Association·Jeffrey A KlassenLisa Hartling

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