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Bispectral index and their relation with consciousness of the patients who receive desflurane or sevoflurane anesthesia during wak-up test for spinal surgery for correction

Title
Bispectral index and their relation with consciousness of the patients who receive desflurane or sevoflurane anesthesia during wak-up test for spinal surgery for correction
Author
정미애
Keywords
Bispectral index; Spinal surgery; Wake-up test.
Issue Date
2012-01
Publisher
대한마취통증의학회(구 대한마취과학회)
Citation
Korean Journal of Anesthesiology, 권: 62, 호: 1, 페이지: 13-18
Abstract
Background: Wake-up tests may be necessary during surgery for kypho-scoliosis to ensure that spinal function remains intact. It is difficult to predict the time when patients can respond to a verbal command. We evaluated the effectiveness of the bispectral index (BIS) and its relation to patients’ levels of consciousness in wake-up tests during desflurane and sevoflurane anesthesia.Methods: Eighteen patients each were enrolled in the desflurane and sevoflurane groups for spinal correction surgery. We measured BIS values, blood pressure, heart rate, and consciousness state and time, at the points when patients responded during the wake-up test.Results: The BIS values when patients made fists upon a verbal command (T3) were 86.7 ± 7.5 for desflurane and 90.3 ± 5.4 for sevoflurane. Patients in the desflurane group had significantly shorter wake up delays than those in the sevoflurane group (6.9 ± 1.8 min vs. 11.8 ± 3.6 min). However, there was no difference between the groups in the time between the response to a verbal command and the time when a patient moved their toes in response to verbal commands. No recall of the wake-up tests occurred in either group.Conclusions: The values obtained using the BIS index could to some extent predict the time of a patient’s and would be informative during desflurane and sevoflurane anesthesia. Moreover, desflurane permitted faster responses to verbal commands than sevoflurane, and allowed the wake-up test to be performed sooner.
URI
http://kiss.kstudy.com/thesis/thesis-view.asp?key=2979503http://hdl.handle.net/20.500.11754/36920
ISSN
2005-6419
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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