Evidence map›Paper›PMID 35638376›Full record

ArticleEuropean journal of neurology2022

Neurofilament light chain and total tau in the differential diagnosis and prognostic evaluation of acute and chronic inflammatory polyneuropathies.

Ivan Kmezic, Kristin Samuelsson, Anja Finn, Zane Upate, Kaj Blennow, Henrik Zetterberg, Rayomand Press

Open access · hybridAbstract read
In one paragraph

Article in European journal of neurology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 1 pooled it
7.5field-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

31 citing papers in PubMed, 1 synthesis or guideline pooled it, 60 citations in OpenAlex.

  1. Pooled it
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  17. Guillain-Barré syndrome: a comprehensive review.European journal of neurology · 2024
    Review
  18. Revised criteria for diagnosis and staging of Alzheimer's disease: Alzheimer's Association Workgroup.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2024
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  19. Review
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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

7 authors at 2 institutions in 2 countries.

Ivan KmezicDepartment of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.ORCID 0000-0001-8764-1940
Kristin SamuelssonDepartment of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Anja FinnDepartment of Neurology, Karolinska University Hospital, Stockholm, Sweden.
Zane UpateDepartment of Neurophysiology, Karolinska University Hospital, Stockholm, Sweden.
Kaj BlennowClinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden.
Henrik ZetterbergClinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden.
Rayomand PressDepartment of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Karolinska University Hospital · SESahlgrenska University Hospital · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeTo investigate the diagnostic and prognostic value of axonal injury biomarkers in patients with inflammatory polyneuropathies.

methodsNeurofilament light chain (NfL) and total tau (T-tau) were measured in the cerebrospinal fluid (CSF) and plasma in 41 patients with Guillain-Barré syndrome (GBS), 32 patients with chronic inflammatory demyelinating polyneuropathy (CIDP), 10 with paraproteinemia-related demyelinating polyneuropathy (PDN), and 8 with multifocal motor neuropathy (MMN), in comparison with 39 disease-free controls and 59 other controls. Outcome was measured with the GBS-disability score (GBS-ds) or Inflammatory Neuropathy Cause and Treatment (INCAT) disability score.

resultsNeurofilament light chain levels in CSF and plasma were higher in GBS, CIDP, and PDN vs. disease-free controls. Patients with MMN had higher NfL levels in plasma vs. disease-free controls, but lower levels in CSF and plasma vs. patients with amyotrophic lateral sclerosis (ALS). T-tau levels in plasma were higher in GBS, CIDP, PDN, and MMN vs. all control groups. Neurofilament light chain levels in CSF and plasma in patients with GBS correlated with GBS-ds, as higher levels were associated with inability to run after 6 and 12 months. NfL levels in CSF and plasma in CIDP did not correlate significantly with outcome.

conclusionsAcute and chronic inflammatory neuropathies are associated with an increase in levels of NfL in CSF and plasma, but NfL is validated as a prognostic biomarker only in GBS. NfL could be used in differentiating patients with MMN from ALS. T-tau in plasma is a novel biomarker that could be used in a diagnostic assessment of patients with acute and chronic inflammatory polyneuropathies.

Indexed as

Amyotrophic Lateral SclerosisGuillain-Barre SyndromePolyneuropathiesPolyradiculoneuropathy, Chronic Inflammatory DemyelinatingBiomarkersDiagnosis, DifferentialHumansIntermediate FilamentsNeurofilament ProteinsPrognosisBiomarkersNeurofilament Proteinschronic inflammatory demyelinating polyneuropathy (CIDP)CSF and plasmadiagnosis and prognosisGuillain-Barré syndrome (GBS)multifocal motor neuropathy (MMN)NfLparaproteinemia-related demyelinating polyneuropathy (PDN)T-tau

Identifiers

PMID35638376
PMCPMC9542418
OpenAlexW4281706339

What Socratic 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 Socratic graph.