Evidence map›Paper›PMID 27306753›Full record

ArticleJournal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism2017

Paravascular channels, cisterns, and the subarachnoid space in the rat brain: A single compartment with preferential pathways.

Beatrice Bedussi, Nicole N van der Wel, Judith de Vos, Henk van Veen, Maria Siebes, Ed VanBavel, Erik Ntp Bakker

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In one paragraph

Article in Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 87 papers.

0numbers the graph read from it
0cells of the map it votes in
87citing papers in PubMed
8.5field-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

87 citing papers in PubMed, 154 citations in OpenAlex.

  1. Review
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  9. Perivascular brain clearance as a therapeutic target in cerebral amyloid angiopathy and Alzheimer's disease.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025
    Review
  10. Review
  11. Glymphatic system: a self-purification circulation in brain.Frontiers in cellular neuroscience · 2025
    Review
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  15. Review
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27 more citing papers are in PubMed but not listed here.

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 1 country.

Beatrice Bedussi1 Department of Biomedical Engineering and Physics, Academic Medical Center, Amsterdam, The Netherlands.
Nicole N van der Wel2 Department of Cell Biology and Histology, Electron Microscopy Centre Amsterdam, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
Judith de Vos1 Department of Biomedical Engineering and Physics, Academic Medical Center, Amsterdam, The Netherlands.
Henk van Veen2 Department of Cell Biology and Histology, Electron Microscopy Centre Amsterdam, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
Maria Siebes1 Department of Biomedical Engineering and Physics, Academic Medical Center, Amsterdam, The Netherlands.
Ed VanBavel1 Department of Biomedical Engineering and Physics, Academic Medical Center, Amsterdam, The Netherlands.
Erik Ntp Bakker1 Department of Biomedical Engineering and Physics, Academic Medical Center, Amsterdam, The Netherlands.
Academic Medical Center · NLUniversity of Amsterdam · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Recent evidence suggests an extensive exchange of fluid and solutes between the subarachnoid space and the brain interstitium, involving preferential pathways along blood vessels. We studied the anatomical relations between brain vasculature, cerebrospinal fluid compartments, and paravascular spaces in male Wistar rats. A fluorescent tracer was infused into the cisterna magna, without affecting intracranial pressure. Tracer distribution was analyzed using a 3D imaging cryomicrotome, confocal microscopy, and correlative light and electron microscopy. We found a strong 3D colocalization of tracer with major arteries and veins in the subarachnoid space and large cisterns, attributed to relatively large subarachnoid space volumes around the vessels. Confocal imaging confirmed this colocalization and also revealed novel cisternal connections between the subarachnoid space and ventricles. Unlike the vessels in the subarachnoid space, penetrating arteries but not veins were surrounded by tracer. Correlative light and electron microscopy images indicated that this paravascular space was located outside of the endothelial layer in capillaries and just outside of the smooth muscle cells in arteries. In conclusion, the cerebrospinal fluid compartment, consisting of the subarachnoid space, cisterns, ventricles, and para-arteriolar spaces, forms a continuous and extensive network that surrounds and penetrates the rat brain, in which mixing may facilitate exchange between interstitial fluid and cerebrospinal fluid.

Indexed as

BrainCisterna MagnaAnimalsBlood VesselsCerebral VentriclesCerebrospinal FluidDextransEndothelium, VascularExtracellular FluidImaging, Three-DimensionalMaleMicroscopy, ConfocalMicroscopy, ElectronRats, Inbred WKYSubarachnoid SpaceDextransCerebrospinal fluidglymphatic pathwayinterstitial fluidparavascular spacesubarachnoid space

Identifiers

PMID27306753
PMCPMC5453458
OpenAlexW2437502300

What OpenQuestion holds

Textmetadata
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.