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Cognitive and Neurophysiological Recovery Following Electroconvulsive Therapy: A Study Protocol

Overview of attention for article published in Frontiers in Psychiatry, May 2018
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Title
Cognitive and Neurophysiological Recovery Following Electroconvulsive Therapy: A Study Protocol
Published in
Frontiers in Psychiatry, May 2018
DOI 10.3389/fpsyt.2018.00171
Pubmed ID
Authors

Ben J. A. Palanca, Hannah R. Maybrier, Angela M. Mickle, Nuri B. Farber, R. Edward Hogan, Emma R. Trammel, J. Wylie Spencer, Donald D. Bohnenkamp, Troy S. Wildes, ShiNung Ching, Eric Lenze, Mathias Basner, Max B. Kelz, Michael S. Avidan

Abstract

Electroconvulsive therapy (ECT) employs the elective induction of generalizes seizures as a potent treatment for severe psychiatric illness. As such, ECT provides an opportunity to rigorously study the recovery of consciousness, reconstitution of cognition, and electroencephalographic (EEG) activity following seizures. Fifteen patients with major depressive disorder refractory to pharmacologic therapy will be enrolled (Clinicaltrials.gov, NCT02761330). Adequate seizure duration will be confirmed following right unilateral ECT under etomidate anesthesia. Patients will then undergo randomization for the order in which they will receive three sequential treatments: etomidate + ECT, ketamine + ECT, and ketamine + sham ECT. Sessions will be repeated in the same sequence for a total of six treatments. Before each session, sensorimotor speed, working memory, and executive function will be assessed through a standardized cognitive test battery. After each treatment, the return of purposeful responsiveness to verbal command will be determined. At this point, serial cognitive assessments will begin using the same standardized test battery. The presence of delirium and changes in depression severity will also be ascertained. Sixty-four channel EEG will be acquired throughout baseline, ictal, and postictal epochs. Mixed-effects models will correlate the trajectories of cognitive recovery, clinical outcomes, and EEG metrics over time. This innovative research design will answer whether: (1) time to return of responsiveness will be prolonged with ketamine + ECT compared with ketamine + sham ECT; (2) time of restoration to baseline function in each cognitive domain will take longer after ketamine + ECT than after ketamine + sham ECT; (3) postictal delirium is associated with delayed restoration of baseline function in all cognitive domains; and (4) the sequence of reconstitution of cognitive domains following the three treatments in this study is similar to that occurring after an isoflurane general anesthetic (NCT01911195). Sub-studies will assess the relationships of cognitive recovery to the EEG preceding, concurrent, and following individual ECT sessions. Overall, this study will lead the development of biomarkers for tailoring the cogno-affective recovery of patients undergoing ECT.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 84 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 84 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 13 15%
Student > Master 10 12%
Researcher 9 11%
Other 7 8%
Student > Ph. D. Student 7 8%
Other 10 12%
Unknown 28 33%
Readers by discipline Count As %
Medicine and Dentistry 13 15%
Psychology 13 15%
Neuroscience 12 14%
Agricultural and Biological Sciences 4 5%
Biochemistry, Genetics and Molecular Biology 4 5%
Other 10 12%
Unknown 28 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 14 May 2018.
All research outputs
#20,489,895
of 23,052,509 outputs
Outputs from Frontiers in Psychiatry
#7,826
of 10,173 outputs
Outputs of similar age
#287,346
of 326,851 outputs
Outputs of similar age from Frontiers in Psychiatry
#167
of 172 outputs
Altmetric has tracked 23,052,509 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 10,173 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.5. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 172 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.