Evidence map›Paper›PMID 34498208›Full record

ArticleNeurocritical care2021

Neuronal Swelling: A Non-osmotic Consequence of Spreading Depolarization.

Julia A Hellas, R David Andrew

Open access · hybridAbstract read
In one paragraph

Article in Neurocritical care, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
2.4field-weighted citation impact, top 10% 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

32 citing papers in PubMed, 46 citations in OpenAlex.

  1. Article
  2. Article
  3. Haemorrhage, hypercoagulability and ischaemia: Evolution of brain injury after aneurysmal subarachnoid haemorrhage.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2026
    Review
  4. Article
  5. Article
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  8. The neurobiological regulatory mechanism of brain edema.Frontiers in cellular neuroscience · 2026
    Review
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  11. Review
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  15. Article
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  19. Interdependence of cellular and network properties in respiratory rhythm generation.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  20. Review
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

2 authors at 1 institution in 1 country.

Julia A HellasCenter for Neuroscience Studies, Queen's University, Kingston, ON, K7L 3N6, Canada. 16jah6@queensu.ca.ORCID http://orcid.org/0000-0002-3946-9573
R David AndrewCenter for Neuroscience Studies, Queen's University, Kingston, ON, K7L 3N6, Canada.
Queen's University · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

An acute reduction in plasma osmolality causes rapid uptake of water by astrocytes but not by neurons, whereas both cell types swell as a consequence of lost blood flow (ischemia). Either hypoosmolality or ischemia can displace the brain downwards, potentially causing death. However, these disorders are fundamentally different at the cellular level. Astrocytes osmotically swell or shrink because they express functional water channels (aquaporins), whereas neurons lack functional aquaporins and thus maintain their volume. Yet both neurons and astrocytes immediately swell when blood flow to the brain is compromised (cytotoxic edema) as following stroke onset, sudden cardiac arrest, or traumatic brain injury. In each situation, neuronal swelling is the direct result of spreading depolarization (SD) generated when the ATP-dependent sodium/potassium ATPase (the Na

Indexed as

Brain IschemiaStrokeAnimalsAstrocytesNeuronsOsmosisBrain edemaCytotoxic cerebral edemaInappropriate ADH syndromeIschemiaOsmolalityOsmolar concentrationSIADHSpreading depolarizationStrokeWater intoxication

Identifiers

PMID34498208
PMCPMC8536653
OpenAlexW3197618404

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.