Anest. intenziv. Med. 2025;36(4):296-297 | DOI: 10.36290/aim.2025.049

Letter to the Editor: Transient BIS elevations during caloric testing in brain death: artifactual or physiological?Correspondence

Ceylan Delice M.1, Kavrut Ozturk N.2
1 Department of Anesthesiology and Reanimation, Van Training and Research Hospital, Van, Turkey
2 Department of Anesthesiology and Reanimation, Antalya Training and Research Hospital, Antalya, Turkey

Received: August 24, 2025; Revised: October 14, 2025; Accepted: October 21, 2025; Prepublished online: November 24, 2025; Published: December 10, 2025  Show citation

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Ceylan Delice M, Kavrut Ozturk N. Letter to the Editor: Transient BIS elevations during caloric testing in brain death: artifactual or physiological? Anest. intenziv. Med. 2025;36(4):296-297. doi: 10.36290/aim.2025.049.
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    References

    1. Vivien B, Paqueron X, Le Cosquer P, Langeron O, Coriat P, Riou B. Detection of brain death onset using the bispectral index in severely comatose patients. Intensive Care Med. 2002;28(4):419-425. doi:10.1007/s00134-002-1219-4. Go to original source... Go to PubMed...
    2. Escudero D, Otero J, Muñiz G, Gonzalo JA, Calleja C, González A, et al. The bispectral index scale: its use in the detection of brain death. Transplant Proc. 2005;37(9):3661-3663. doi:10.1016/j.transproceed.2005.08.054. Go to original source... Go to PubMed...
    3. Hamal AQ, Bin Abdul Rehman AW. Artifact processing of epileptic EEG signals: an overview of different types of artifacts. In: 2013 International Conference on Advanced Computer Science Applications and Technologies. Piscataway (NJ): IEEE; 2013: 358-361. Go to original source...
    4. Myles PS, Cairo S. Artifact in the bispectral index in a patient with severe ischemic brain injury. Anesth Analg. 2004;98:706-707. doi:10.1213/01.ANE.0000100780.04935.99. Go to original source...
    5. Greer DM, Shemie SD, Lewis A, Torrance S, Varelas P, Goldenberg FD, et al. Determination of brain death/death by neurologic criteria: the World Brain Death Project. JAMA. 2020;324(11):1078-97. doi:10.1001/jama.2020.11586. Go to original source... Go to PubMed...
    6. Saposnik G, Basile VS, Young GB. Movements in brain death: a systematic review. Can J Neurol Sci. 2009;36(2):154-60. doi:10.1017/S0317167100006516. Go to original source...
    7. Myles PS, Leslie K, McNeil J, Forbes A, Chan MTV. Bispectral index monitoring to prevent awareness during anaesthesia: the B-Aware randomised controlled trial. Lancet. 2004;363(9423):1757-1763. doi:10.1016/S0140-6736(04)16287-9. Go to original source... Go to PubMed...
    8. Bruhn J, Bouillon TW, Shafer SL. Bispectral index (BIS) and electromyographic activity. Anesthesiology. 2000;92(3):713-714. Go to original source... Go to PubMed...

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