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The Effect of Propofol Injection Pain on Auditory Evoked Potential Index and Bispectral Index

Title
The Effect of Propofol Injection Pain on Auditory Evoked Potential Index and Bispectral Index
Author
조상윤
Keywords
Anesthesia; Propofol injection pain; Consciousness monitors; Auditory evoked potential; Bispectral index monitor
Issue Date
2019-12
Publisher
sci technol
Citation
Analgesia & Resuscitation : current research, v. 8, issue. 1, page. 1-3
Abstract
Abstract Background: The electroencephalogram (EEG) methods are being used widely, to monitor of the depth of awareness. Among them, auditory evoked potential (AEP index) and the bispectral index (BIS) were adopted as specific EEG methods in many clinics. We evaluated the effect of propofol injection pain on AEP index and BIS in mildly sedated patients with midazolam who undergo general anesthesia. Methods: 38 patients (18 to 65 age, ASA I or II grade) were separated in two groups randomly (group AEP and group BIS). Atropine 0.5 mg and midazolam 0.05 mg/kg were intramuscular injected as a premedication before going to operating room. Anesthesia was induced with propofol by target-controlled infusion. We had checked AEP index and BIS every 10 s till 90 s after propofol injection began. Results: With propofol injection pain, BIS was not increased, but decreased at 70, 80 and 90 s. Whereas AEP index was increased significantly at 30, 40 and 50 s, and decreased significantly after that. Conclusions: AEP index is more sensitive and reliable method to monitor depth of awareness during anesthesia induction phase in real time.
URI
https://www.scitechnol.com/peer-review/the-effect-of-propofol-injection-pain-on-auditory-evoked-potential-index-and-bispectral-index-EGWU.php?article_id=7882https://repository.hanyang.ac.kr/handle/20.500.11754/157923
ISSN
2324-903X
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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