Evidence map›Paper›PMID 33604799›Full record

ArticleAnnals of biomedical engineering2021

Early EEG Alterations Correlate with CTP Hypoperfused Volumes and Neurological Deficit: A Wireless EEG Study in Hyper-Acute Ischemic Stroke.

Miloš Ajčević, Giovanni Furlanis, Aleksandar Miladinović, Alex Buoite Stella, Paola Caruso, Maja Ukmar, Maria Assunta Cova, Marcello Naccarato, Agostino Accardo, Paolo Manganotti

Open access · hybridAbstract read
In one paragraph

Article in Annals of biomedical engineering, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
4.0field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 39 citations in OpenAlex.

  1. Quantitative measures of the resting EEG in stroke: a systematic review on clinical correlation and prognostic value.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2023
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  11. Cognitive deficit in post-acute COVID-19: an opportunity for EEG evaluation?Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2023
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  18. Rapid Response EEG: Current State and Future Directions.Current neurology and neuroscience reports · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 1 institution in 1 country.

Miloš AjčevićDepartment of Engineering and Architecture, University of Trieste, Via A. Valerio 10, 34127, Trieste, Italy. majcevic@units.it.ORCID http://orcid.org/0000-0001-8307-4360
Giovanni FurlanisClinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Trieste University Hospital ASUGI, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.
Aleksandar MiladinovićDepartment of Engineering and Architecture, University of Trieste, Via A. Valerio 10, 34127, Trieste, Italy.
Alex Buoite StellaClinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Trieste University Hospital ASUGI, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.
Paola CarusoClinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Trieste University Hospital ASUGI, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.
Maja UkmarRadiology Unit, Department of Medicine, Surgery and Health Sciences, Trieste University Hospital ASUGI, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.
Maria Assunta CovaRadiology Unit, Department of Medicine, Surgery and Health Sciences, Trieste University Hospital ASUGI, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.
Marcello NaccaratoClinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Trieste University Hospital ASUGI, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.
Agostino AccardoDepartment of Engineering and Architecture, University of Trieste, Via A. Valerio 10, 34127, Trieste, Italy.
Paolo ManganottiClinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Trieste University Hospital ASUGI, University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.
University of Trieste · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Brain electrical activity in acute ischemic stroke is related to the hypoperfusion of cerebral tissue as manifestation of neurovascular coupling. EEG could be applicable for bedside functional monitoring in emergency settings. We aimed to investigate the relation between hyper-acute ischemic stroke EEG changes, measured with bedside wireless-EEG, and hypoperfused core-penumbra CT-perfusion (CTP) volumes. In addition, we investigated the association of EEG and CTP parameters with neurological deficit measured by NIHSS. We analyzed and processed EEG, CTP and clinical data of 31 anterior acute ischemic stroke patients registered within 4.5 h from symptom onset. Delta/alpha ratio (DAR), (delta + theta)/(alpha + beta) ratio (DTABR) and relative delta power correlated directly (ρ = 0.72; 0.63; 0.65, respectively), while alpha correlated inversely (ρ = - 0.66) with total hypoperfused volume. DAR, DTBAR and relative delta and alpha parameters also correlated with ischemic core volume (ρ = 0.55; 0.50; 0.59; - 0.51, respectively). The same EEG parameters and CTP volumes showed significant relation with NIHSS at admission. The multivariate stepwise regression showed that DAR was the strongest predictor of NIHSS at admission (p < 0.001). The results of this study showed that hyper-acute alterations of EEG parameters are highly related to the extent of hypoperfused tissue highlighting the value of quantitative EEG as a possible complementary tool in the evaluation of stroke severity and its potential role in acute ischemic stroke monitoring.

Indexed as

AgedAged, 80 and overBrain IschemiaElectroencephalographyFemaleHumansIschemic StrokeMaleNeuroimagingPerfusionPerfusion ImagingWireless TechnologyBiomedical signal processingCT perfusionEEGHyperacute ischemic strokeNIHSS

Identifiers

PMID33604799
PMCPMC8455382
OpenAlexW3129920905

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.