Evidence map›Paper›PMID 31155751›Full record

ArticleAnnals of neurology2019

Early electroencephalography for outcome prediction of postanoxic coma: A prospective cohort study.

Barry J Ruijter, Marleen C Tjepkema-Cloostermans, Selma C Tromp, Walter M van den Bergh, Norbert A Foudraine, Francois H M Kornips, Gea Drost, Erik Scholten, Frank H Bosch, Albertus Beishuizen and 2 more

Open access · hybridAbstract readMulticenter Study
In one paragraph

Article in Annals of neurology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 72 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
72citing papers in PubMed, 5 pooled it
24.1field-weighted citation impact, top 1% 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

72 citing papers in PubMed, 5 syntheses or guidelines pooled it, 188 citations in OpenAlex.

  1. Guideline
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  3. Pooled it
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  5. Pooled it
  6. Trial
  7. Trial
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  9. Article
  10. Role of Neurophysiologic Testing in Prognostication of Hypoxic-Ischemic Encephalopathy.Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society · 2026
    Review
  11. Rhythmic and Periodic Patterns and Seizures in Hypoxic-Ischemic Encephalopathy.Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society · 2026
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. [Neurological prognosis after cardiac arrest and resuscitation].Medizinische Klinik, Intensivmedizin und Notfallmedizin · 2026
    Review
  17. Article
  18. Article
  19. Article
  20. Article

12 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 6 institutions in 1 country.

Barry J RuijterDepartment of Clinical Neurophysiology, Technical Medical Center, University of Twente, Enschede.ORCID 0000-0002-4390-8938
Marleen C Tjepkema-CloostermansDepartments of Neurology and Clinical Neurophysiology, Medical Spectrum Twente, Enschede.
Selma C TrompDepartments of Neurology and Clinical Neurophysiology, St Antonius Hospital, Nieuwegein.
Walter M van den BerghDepartment of Critical Care, University Medical Center Groningen, University of Groningen, Groningen.
Norbert A FoudraineDepartment of Intensive Care, VieCuri Medical Center, Venlo.
Francois H M KornipsDepartment of Neurology, VieCuri Medical Center, Venlo.
Gea DrostDepartments of Neurology and Neurosurgery, University Medical Center Groningen, University of Groningen, Groningen.
Erik ScholtenDepartment of Intensive Care, St Antonius Hospital, Nieuwegein.
Frank H BoschDepartment of Intensive Care, Rijnstate Hospital, Arnhem.
Albertus BeishuizenDepartment of Intensive Care, Medical Spectrum Twente, Enschede.
Michel J A M van PuttenDepartment of Clinical Neurophysiology, Technical Medical Center, University of Twente, Enschede.
Jeannette HofmeijerDepartment of Clinical Neurophysiology, Technical Medical Center, University of Twente, Enschede.
Medisch Spectrum Twente · NLRijnstate Hospital · NLSt. Antonius Ziekenhuis · NLUniversity Medical Center Groningen · NLVieCuri Medisch Centrum · NLUniversity of Twente · NL

Funding

Epilepsiefonds NEF 14-18
6 · The paper itself

Abstract

objectiveTo provide evidence that early electroencephalography (EEG) allows for reliable prediction of poor or good outcome after cardiac arrest.

methodsIn a 5-center prospective cohort study, we included consecutive, comatose survivors of cardiac arrest. Continuous EEG recordings were started as soon as possible and continued up to 5 days. Five-minute EEG epochs were assessed by 2 reviewers, independently, at 8 predefined time points from 6 hours to 5 days after cardiac arrest, blinded for patients' actual condition, treatment, and outcome. EEG patterns were categorized as generalized suppression (<10 μV), synchronous patterns with ≥50% suppression, continuous, or other. Outcome at 6 months was categorized as good (Cerebral Performance Category [CPC] = 1-2) or poor (CPC = 3-5).

resultsWe included 850 patients, of whom 46% had a good outcome. Generalized suppression and synchronous patterns with ≥50% suppression predicted poor outcome without false positives at ≥6 hours after cardiac arrest. Their summed sensitivity was 0.47 (95% confidence interval [CI] = 0.42-0.51) at 12 hours and 0.30 (95% CI = 0.26-0.33) at 24 hours after cardiac arrest, with specificity of 1.00 (95% CI = 0.99-1.00) at both time points. At 36 hours or later, sensitivity for poor outcome was ≤0.22. Continuous EEG patterns at 12 hours predicted good outcome, with sensitivity of 0.50 (95% CI = 0.46-0.55) and specificity of 0.91 (95% CI = 0.88-0.93); at 24 hours or later, specificity for the prediction of good outcome was <0.90.

interpretationEEG allows for reliable prediction of poor outcome after cardiac arrest, with maximum sensitivity in the first 24 hours. Continuous EEG patterns at 12 hours after cardiac arrest are associated with good recovery. ANN NEUROL 2019;86:203-214.

Indexed as

AgedCohort StudiesComaElectroencephalographyFemaleHeart ArrestHumansMaleMiddle AgedPredictive Value of TestsProspective StudiesTreatment Outcome

Identifiers

PMID31155751
PMCPMC6771891
OpenAlexW2948560436

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

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.