Processed EEG from depth of anaesthesia monitors and seizures: A scoping review

Gimson, Amy; Smith, Matthew D

doi:10.1016/j.seizure.2021.06.011

Cited by 5 publications

(3 citation statements)

References 56 publications

(90 reference statements)

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“…this is beyond the scope of this article but has been discussed in a recent review [41]. shows promise in this regard [43]. The BIS-derived suppression ratio correlates well with the degree of burstsuppression on formal EEG [43]; targeting a suppression ratio of 60-80 is typical when burst suppression is required [44], with the caveat that the efficacy of this on neurological outcome remains uncertain [41].…”

Section: Seizure Controlmentioning

confidence: 95%

“…At present, BIS is insufficiently sensitive to reliably detect seizure activity, although the incorporation of colour density spectral array, which provides a power spectrum representation of the summated EEG activity, shows promise in this regard [43]. The BIS‐derived suppression ratio correlates well with the degree of burst‐suppression on formal EEG [43]; targeting a suppression ratio of 60–80 is typical when burst suppression is required [44], with the caveat that the efficacy of this on neurological outcome remains uncertain [41]. BIS also has some limitations when used for burst suppression including the inability to identify spikes and periodic patterns within bursts and an inability to guide therapy as sedation is weaned.…”

Section: Processed Electroencephalogram Monitoringmentioning

confidence: 99%

“…The most common indications for formal EEG measurement in patients with TBI are the diagnosis of seizures (especially non‐convulsive status epilepticus) and monitoring of burst suppression. At present, BIS is insufficiently sensitive to reliably detect seizure activity, although the incorporation of colour density spectral array, which provides a power spectrum representation of the summated EEG activity, shows promise in this regard [43]. The BIS‐derived suppression ratio correlates well with the degree of burst‐suppression on formal EEG [43]; targeting a suppression ratio of 60–80 is typical when burst suppression is required [44], with the caveat that the efficacy of this on neurological outcome remains uncertain [41].…”

Section: Processed Electroencephalogram Monitoringmentioning

confidence: 99%

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Management of traumatic brain injury in the non‐neurosurgical intensive care unit: a narrative review of current evidence

et al. 2023

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Each year, approximately 70 million people suffer traumatic brain injury, which has a significant physical, psychosocial and economic impact for patients and their families. It is recommended in the UK that all patients with traumatic brain injury and a Glasgow coma scale ≤ 8 should be transferred to a neurosurgical centre. However, many patients, especially those in whom neurosurgery is not required, are not treated in, nor transferred to, a neurosurgical centre. This review aims to provide clinicians who work in non-neurosurgical centres with a summary of contemporary studies relevant to the critical care management of patients with traumatic brain injury. A targeted literature review was undertaken that included guidelines, systematic reviews, meta-analyses, clinical trials and randomised controlled trials (published in English between 1 January 2017 and 1 July 2022). Studies involving key clinical management strategies published before this time, but which have not been updated or repeated, were also eligible for inclusion. Analysis of the topics identified during the review was then summarised. These included: fundamental critical care management approaches (including ventilation strategies, fluid management, seizure control and osmotherapy); use of processed electroencephalogram monitoring; non-invasive assessment of intracranial pressure; prognostication; and rehabilitation techniques. Through this process, we have formulated practical recommendations to guide clinical practice in non-specialist centres.

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