Evidence map›Paper›PMID 30146766›Full record

ArticleEpilepsia2018

Phase-amplitude coupling between interictal high-frequency activity and slow waves in epilepsy surgery.

Hirotaka Motoi, Makoto Miyakoshi, Taylor J Abel, Jeong-Won Jeong, Yasuo Nakai, Ayaka Sugiura, Aimee F Luat, Rajkumar Agarwal, Sandeep Sood, Eishi Asano

Abstract read
In one paragraph

Article in Epilepsia, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed
–field-weighted citation impact
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

41 citing papers in PubMed.

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  9. Normative atlases of high-frequency oscillation and spike rates under Sevoflurane anesthesia.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2024
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  13. Networks through the lens of high-frequency oscillations.Frontiers in network physiology · 2024
    Review
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  16. Sevoflurane-induced high-frequency oscillations, effective connectivity and intraoperative classification of epileptic brain areas.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2023
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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.

Hirotaka MotoiDepartment of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit Medical Center, Detroit, Michigan.
Makoto MiyakoshiSwartz Center for Computational Neuroscience, Institute for Neural Computation, University of California San Diego, La Jolla, California.
Taylor J AbelDivision of Neurosurgery, Hospital for Sick Children, Toronto, Ontario, Canada.
Jeong-Won JeongDepartment of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit Medical Center, Detroit, Michigan.
Yasuo NakaiDepartment of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit Medical Center, Detroit, Michigan.
Ayaka SugiuraDepartment of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit Medical Center, Detroit, Michigan.
Aimee F LuatDepartment of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit Medical Center, Detroit, Michigan.
Rajkumar AgarwalDepartment of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit Medical Center, Detroit, Michigan.
Sandeep SoodDepartment of Neurosurgery, Children's Hospital of Michigan, Wayne State University, Detroit Medical Center, Detroit, Michigan.
Eishi AsanoDepartment of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit Medical Center, Detroit, Michigan.ORCID 0000-0001-8391-4067

Funding

Functional brain mapping in pediatric neurosurgeryR01NS064033 · NINDS · WAYNE STATE UNIVERSITY · PI EISHI ASANO · 2009 to 2026
$5.7M
Novel DWI Methods to Minimize Postoperative Deficits in Pediatric Epilepsy Surgery.R01NS089659 · NINDS · WAYNE STATE UNIVERSITY · PI JEONG, JEONG-WON · 2015 to 2025
$3.7M
Quantitative multimodal analyses in pediatric epilepsy surgeryK23NS047550 · NINDS · WAYNE STATE UNIVERSITY · PI ASANO, EISHI · 2004 to 2008
$768k
NINDS NIH HHS K23 NS047550NINDS NIH HHS NS047550NINDS NIH HHS NS064033NINDS NIH HHS NS089659NINDS NIH HHS R01 NS064033NINDS NIH HHS R01 NS089659
6 · The paper itself

Abstract

objectiveWe hypothesized that the modulation index (MI), a summary measure of the strength of phase-amplitude coupling between high-frequency activity (>150 Hz) and the phase of slow waves (3-4 Hz), would serve as a useful interictal biomarker for epilepsy presurgical evaluation.

methodsWe investigated 123 patients who underwent focal cortical resection following extraoperative electrocorticography recording and had at least 1 year of postoperative follow-up. We examined whether consideration of MI would improve the prediction of postoperative seizure outcome. MI was measured at each intracranial electrode site during interictal slow-wave sleep. We compared the accuracy of prediction of patients achieving International League Against Epilepsy class 1 outcome between the full multivariate logistic regression model incorporating MI in addition to conventional clinical, seizure onset zone (SOZ), and neuroimaging variables, and the reduced logistic regression model incorporating all variables other than MI.

resultsNinety patients had class 1 outcome at the time of most recent follow-up (mean follow-up = 5.7 years). The full model had a noteworthy outcome predictive ability, as reflected by regression model fit R SIGNIFICANCE: MI during interictal recording may provide useful information for the prediction of postoperative seizure outcome.

Indexed as

Brain MappingAdolescentAdultBrain WavesChildChild, PreschoolElectroencephalographyEpilepsyFemaleHumansImage Processing, Computer-AssistedLogistic ModelsMagnetic Resonance ImagingMaleRetrospective StudiesROC Curveepileptogenic zonehigh-frequency oscillationsinvasive recordingirritative zonevideo-EEG monitoring

Identifiers

PMID30146766
PMCPMC6204289

What OpenQuestion holds

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Registered trials

None linked

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.