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2023, Number 2

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Rev Mex Anest 2023; 46 (2)

Basic electroencephalography for anesthesia depth monitors

Hernández-González S, Perdomo-Perdomo MB, Sánchez-Gamarro R, Ávila-Fuentes S, Hernández-Rodríguez L, Fernández-García J

Language: Spanish
References: 47
Page: 125-132
PDF size: 446.85 Kb.


ABSTRACT

Anesthesia depth monitors allow to guide the patient's hypnotic state during general anesthesia. Traditionally, anesthetic depth indices have been used due to their simplicity to guide the monitoring of the level of consciousness. They have been obtained by processing the electroencephalogram using mathematical algorithms and their benefits have been widely reported in the scientific literature. However, they are not exempt from important limitations. Neither all anesthetics act on the same molecular targets, nor these mentioned indices take into account the patient's own characteristics (comorbidities, extreme ages, etc.). These limitations could be far reduced if we are able to understand all the information provided by the monitors. We present a review describing the basic concepts necessary for its direct assessment, as well as their correlation with the patient's anesthetic depth states.


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