Evidence map›Paper›PMID 30629699›Full record

ArticlePloS one2019

Failure of bumetanide to improve outcome after intracerebral hemorrhage in rat.

Cassandra M Wilkinson, Brittany A Fedor, Jasmine R Aziz, Colby A Nadeau, Paul S Brar, Julia J A Clark, Frederick Colbourne

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.8field-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

18 citing papers in PubMed, 24 citations in OpenAlex.

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  15. The Medical Management of Cerebral Edema: Past, Present, and Future Therapies.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2019
    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 1 institution in 1 country.

Cassandra M WilkinsonDepartment of Psychology, University of Alberta, Edmonton, Alberta, Canada.
Brittany A FedorNeuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta, Canada.
Jasmine R AzizDepartment of Psychology, University of Alberta, Edmonton, Alberta, Canada.
Colby A NadeauDepartment of Psychology, University of Alberta, Edmonton, Alberta, Canada.
Paul S BrarDepartment of Psychology, University of Alberta, Edmonton, Alberta, Canada.
Julia J A ClarkDepartment of Psychology, University of Alberta, Edmonton, Alberta, Canada.
Frederick ColbourneDepartment of Psychology, University of Alberta, Edmonton, Alberta, Canada.ORCID 0000-0002-9567-2082
University of Alberta · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

After intracerebral hemorrhage (ICH), brain edema commonly occurs and can cause death. Along with edema, there are significant alterations in the concentrations of key ions such as sodium, potassium, and chloride, which are essential to brain function. NKCC1, a cation-chloride cotransporter, is upregulated after brain damage, such as traumatic injury and ischemic stroke. NKCC1 brings sodium and chloride into the cell, possibly worsening ion dyshomeostasis. Bumetanide, a specific NKCC1 antagonist, blocks the transport of chloride into cells, and thus should attenuate the increases in chloride, which should lessen brain edema and improve neuronal functioning post-ICH, as with other injuries. We used the collagenase model of ICH to test whether bumetanide treatment for three days (vs. vehicle) would improve outcome. We gave bumetanide beginning at two hours or seven days post-ICH and measured behavioural outcome, edema, and brain ion content after treatment. There was some evidence for a minor reduction in edema after early dosing, but this did not improve behaviour or lessen injury. Contrary to our hypothesis, bumetanide did not normalize ion concentrations after late dosing. Bumetanide did not improve behavioural outcome or affect lesion volume. After ICH, bumetanide is safe to use in rats but does not improve functional outcome in the majority of animals.

Indexed as

AnimalsBumetanideCerebral HemorrhageChloridesCollagenasesDisease Models, AnimalMaleMass SpectrometryRatsRats, Sprague-DawleySodiumSolute Carrier Family 12, Member 2Treatment OutcomeBumetanideChloridesCollagenasesSodiumSolute Carrier Family 12, Member 2

Identifiers

PMID30629699
PMCPMC6328169
OpenAlexW2909951994

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.