Dergiler / Dicle Tıp Dergisi / 2026 / Cilt: 47 Sayı: 3

Investigation of the Association between Bispectral index and Body Temperature during Abdominal Surgery; An Observational Study

Cigdem Akyol Beyoglu(ISTANBUL UNIVERSITY)
Ceylan Saygili(ISTANBUL UNIVERSITY)
Mustafa Dilek(ISTANBUL UNIVERSITY)
Guniz Meyanci Koksal(ISTANBUL UNIVERSITY)
Sayfa
603–608
Yayın Tarihi
2020-09-25
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Conclusions: As a result of our study, we can say that temperature decrease up to 35°C may not have an effect on BIS scores, and BIS maybe used safely to indicate hypnosis level at temperatures 35°C and above during abdominal surgery.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Objective: Bispectral index (BIS) is mainly used for drug titration and is well correlated with drug concentration and hypnosis.
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Temel Bulgular & Veri:Methods: The study was conducted in patients with American Society of Anesthesiologists (ASA) score I-III, aged between 18-60 y, who had undergone abdominal operation in general surgery theatre.
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Sonuç & Katkı:Conclusions: As a result of our study, we can say that temperature decrease up to 35°C may not have an effect on BIS scores, and BIS maybe used safely to indicate hypnosis level at temperatures 35°C and above during abdominal surgery.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Abdominal surgery · Body temperature · Bispectral index

Abstract

Objective: Bispectral index (BIS) is mainly used for drug titration and is well correlated with drug concentration and hypnosis. Our aim was to present the correlation between hypothermia and BIS during abdominal surgery. Methods: The study was conducted in patients with American Society of Anesthesiologists (ASA) score I-III, aged between 18-60 y, who had undergone abdominal operation in general surgery theatre. Body temperature and BIS scores whenawake, after anesthesia induction, after tracheal intubation and every 5 minutes during the operation, and afterextubation were measured and recorded. Results: Three hundred patients were included to the study. Repeated measure regression analysis of BIS scores with the body temperature at distinct time points did not show a significant relationship. None of the patients had a body temperature lower than 35°C. Conclusions: As a result of our study, we can say that temperature decrease up to 35°C may not have an effect on BIS scores, and BIS maybe used safely to indicate hypnosis level at temperatures 35°C and above during abdominal surgery.

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Bu Makaleye Atıf Yap

Beyoglu, C. A., Saygili, C., Dilek, M., Koksal, G. M. (2020). Investigation of the Association between Bispectral index and Body Temperature during Abdominal Surgery; An Observational Study. Dicle Tıp Dergisi, Cilt: 47 Sayı: 3, 603–608. https://doi.org/10.5798/dicletip.799935

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Kaynakça (2)

  1. Honan D, Doherty D, Frizelle H. A comparison of theeffects on bispectral index of mild vs. moderatehypothermia during cardiopulmonary bypass. Eur JAnaesthesiol 2006; 23: 385–90.
  2. Bashein G, Nessly ML, Bledsoe SW, et al.Electroencephalography during surgery with cardiopulmonary bypass and hypothermia. Anesthesiology 1992; 76: 878–91.