Evidence map›Paper›PMID 33743046›Full record

ArticleJournal of neurology2021

Blood neurofilament light concentration at admittance: a potential prognostic marker in COVID-19.

Anne Hege Aamodt, Einar August Høgestøl, Trine Haug Popperud, Jan Cato Holter, Anne Ma Dyrhol-Riise, Kristian Tonby, Birgitte Stiksrud, Else Quist-Paulsen, Tone Berge, Andreas Barratt-Due and 5 more

Open access · hybridAbstract read
In one paragraph

Article in Journal of neurology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed, 3 pooled it
7.0field-weighted citation impact, top 2% 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

44 citing papers in PubMed, 3 syntheses or guidelines pooled it, 67 citations in OpenAlex.

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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

15 authors at 3 institutions in 3 countries.

Anne Hege AamodtDepartment of Neurology, Oslo University Hospital, Oslo, Norway. a.h.aamodt@medisin.uio.no.ORCID http://orcid.org/0000-0002-2824-2760
Einar August HøgestølDepartment of Neurology, Oslo University Hospital, Oslo, Norway.
Trine Haug PopperudDepartment of Neurology, Oslo University Hospital, Oslo, Norway.
Jan Cato HolterInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.
Anne Ma Dyrhol-RiiseInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.
Kristian TonbyInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.
Birgitte StiksrudDepartment of Infectious Diseases, Oslo University Hospital, Oslo, Norway.
Else Quist-PaulsenDepartment of Microbiology, Oslo University Hospital, Oslo, Norway.
Tone BergeDepartment of Mechanical, Electronic and Chemical Engineering, Oslo Metropolitan University, Oslo, Norway.
Andreas Barratt-DueDivision of Emergencies and Critical Care, Oslo University HospitalRikshospitalet, Oslo, Norway.
Pål AukrustInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.
Lars HeggelundDepartment of Internal Medicine, Drammen Hospital, Vestre Viken Hospital Trust, Drammen, Norway.
Kaj BlennowDepartment of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.
Henrik ZetterbergClinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden.
Hanne Flinstad HarboDepartment of Neurology, Oslo University Hospital, Oslo, Norway.
Oslo University Hospital · NOSahlgrenska University Hospital · SEDrammen Hospital · NO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo test the hypotheses that blood biomarkers for nervous system injury, serum concentrations of neurofilament light chain protein (NfL) and glial fibrillary acidic protein (GFAp) can serve as biomarkers for disease severity in COVID-19 patients.

methodsForty-seven inpatients with confirmed COVID-19 had blood samples drawn on admission for assessing serum biomarkers of CNS injury by Single molecule array (Simoa), NfL and GFAp. Concentrations of NfL and GFAp were analyzed in relation to symptoms, clinical signs, inflammatory biomarkers and clinical outcomes. We used multivariate linear models to test for differences in biomarker concentrations in the subgroups, accounting for confounding effects.

resultsIn total, 21% (n = 10) of the patients were admitted to an intensive care unit, and the overall mortality rate was 13% (n = 6). Non-survivors had higher serum concentrations of NfL (p < 0.001) upon admission than patients who were discharged alive both in adjusted analyses (p = 2.6 × 10

conclusionIncreased concentrations of NfL and GFAp in COVID-19 patients on admission may indicate increased mortality risk. Measurement of blood biomarkers for nervous system injury can be useful to detect and monitor CNS injury in COVID-19.

Indexed as

COVID-19BiomarkersGlial Fibrillary Acidic ProteinHumansIntermediate FilamentsNeurofilament ProteinsPrognosisSARS-CoV-2BiomarkersGlial Fibrillary Acidic ProteinNeurofilament ProteinsCOVID-19Glial fibrillary acidic proteinMortalityNeurofilament lightSARS-CoV-2

Identifiers

PMID33743046
PMCPMC7980743
OpenAlexW3139348872

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.