• Critical care medicine · Sep 2020

    Multicenter Study Observational Study

    Evaluating the Clinical Impact of Rapid Response Electroencephalography: The DECIDE Multicenter Prospective Observational Clinical Study.

    • Paul M Vespa, DaiWai M Olson, Sayona John, Kyle S Hobbs, Kapil Gururangan, Kun Nie, Masoom J Desai, Matthew Markert, Josef Parvizi, Thomas P Bleck, Lawrence J Hirsch, and M Brandon Westover.
    • Departments of Neurology and Neurosurgery, University of California Los Angeles David Geffen School of Medicine, Los Angeles, CA.
    • Crit. Care Med. 2020 Sep 1; 48 (9): 1249-1257.

    ObjectivesTo measure the diagnostic accuracy, timeliness, and ease of use of Ceribell rapid response electroencephalography. We assessed physicians' diagnostic assessments and treatment plans before and after rapid response electroencephalography assessment. Primary outcomes were changes in physicians' diagnostic and therapeutic decision making and their confidence in these decisions based on the use of the rapid response electroencephalography system. Secondary outcomes were time to electroencephalography, setup time, ease of use, and quality of electroencephalography data.DesignProspective multicenter nonrandomized observational study.SettingICUs in five academic hospitals in the United States.SubjectsPatients with encephalopathy suspected of having nonconvulsive seizures and physicians evaluating these patients.InterventionsPhysician bedside assessment of sonified electroencephalography (30 s from each hemisphere) and visual electroencephalography (60 s) using rapid response electroencephalography.Measurements And Main ResultsPhysicians (29 fellows or residents, eight attending neurologists) evaluated 181 ICU patients; complete clinical and electroencephalography data were available in 164 patients (average 58.6 ± 18.7 yr old, 45% females). Relying on rapid response electroencephalography information at the bedside improved the sensitivity (95% CI) of physicians' seizure diagnosis from 77.8% (40.0%, 97.2%) to 100% (66.4%, 100%) and the specificity (95% CI) of their diagnosis from 63.9% (55.8%, 71.4%) to 89% (83.0%, 93.5%). Physicians' confidence in their own diagnosis and treatment plan were also improved. Time to electroencephalography (median [interquartile range]) was 5 minutes (4-10 min) with rapid response electroencephalography while the conventional electroencephalography was delayed by several hours (median [interquartile range] delay = 239 minutes [134-471 min] [p < 0.0001 using Wilcoxon signed rank test]). The device was rated as easy to use (mean ± SD: 4.7 ± 0.6 [1 = difficult, 5 = easy]) and was without serious adverse effects.ConclusionsRapid response electroencephalography enabled timely and more accurate assessment of patients in the critical care setting. The use of rapid response electroencephalography may be clinically beneficial in the assessment of patients with high suspicion for nonconvulsive seizures and status epilepticus.

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