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KMID : 0853020080110010010
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Journal of Korean Burn Society
2008 Volume.11 No. 1 p.10 ~ p.15
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Comparision of Burned Patients with Nonburned Patients in Spectral Entropy with Change in End Tidal Concentration of Desflurane
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Bae Ji-Young
Moon Sung-Ha
Woo Chul-Ho
Kim Kwang-Min
Park Jae-Young
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Abstract
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Purpose: Spectral entropy is known as a good measurement of the depth of anesthesia depending on end tidal concentration of inhaled anesthetics. This study is aimed at the comparison of response entropy (RE) and state entropy (SE) with the change of end tidal concentration of desflurane and intraoperative awareness in burned patients and non-burned patients
Methods: Twenty-three burned patients and twenty-three non-burned patients were examined for spectral entropy during desflurane anesthesia. At the end of operation, all surgical stimulations and any noxious stimuli were ceased and inhalation of desflurane was terminated. After termination of inhaled desflurane, vital signs (systolic blood pressure, diastolic blood pressure, heart rate), RE and SE, and end tidal concentration of desflurane were recorded every 1 minute.
Results: The patterns of the decrease in RE and SE in response to the increase in end tidal concentration of desflurane are not different between two groups except at 2.5 vol%, 3.1 vol%, and 4.3 vol%. It was not clinically significant, because RE, SE of two groups were below 60, the clinical anesthetic state.
Conclusion: Depth of anesthesia of burned patients can be maintained using the same end tidal concentration as non-burned patients. (Journal of Korean Burn Society 2008;11:10-15)
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KEYWORD
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Burnedpatients, Depthofanesthesia, Desflurane
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