Evidence map›Paper›PMID 25586145›Full record

ArticleJournal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism2015

Hyperperfusion counteracted by transient rapid vasoconstriction followed by long-lasting oligemia induced by cortical spreading depression in anesthetized mice.

Miyuki Unekawa, Yutaka Tomita, Haruki Toriumi, Takashi Osada, Kazuto Masamoto, Hiroshi Kawaguchi, Yoshiaki Itoh, Iwao Kanno, Norihiro Suzuki

Abstract read
In one paragraph

Article in Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
–field-weighted citation impact
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

13 citing papers in PubMed.

  1. Article
  2. Observational
  3. Article
  4. Article
  5. Review
  6. Article
  7. Optical imaging and modulation of neurovascular responses.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2018
    Review
  8. Article
  9. Ketamine modulation of the haemodynamic response to spreading depolarization in the gyrencephalic swine brain.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2017
    Article
  10. Cortical Spreading Depression Closes Paravascular Space and Impairs Glymphatic Flow: Implications for Migraine Headache.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2017
    Article
  11. High-mobility group box 1 is an important mediator of microglial activation induced by cortical spreading depression.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2017
    Article
  12. Dynamic diameter response of intraparenchymal penetrating arteries during cortical spreading depression and elimination of vasoreactivity to hypercapnia in anesthetized mice.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2017
    Article
  13. 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

9 authors.

Miyuki UnekawaDepartment of Neurology, School of Medicine, Keio University, Tokyo, Japan.
Yutaka TomitaDepartment of Neurology, School of Medicine, Keio University, Tokyo, Japan.
Haruki ToriumiDepartment of Neurology, School of Medicine, Keio University, Tokyo, Japan.
Takashi OsadaDepartment of Neurology, School of Medicine, Keio University, Tokyo, Japan.
Kazuto Masamoto1] Brain Science Inspired Life Support Research Center, University of Electro-Communications, Tokyo, Japan [2] Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Japan.
Hiroshi KawaguchiMolecular Imaging Center, National Institute of Radiological Sciences, Chiba, Japan.
Yoshiaki ItohDepartment of Neurology, School of Medicine, Keio University, Tokyo, Japan.
Iwao KannoMolecular Imaging Center, National Institute of Radiological Sciences, Chiba, Japan.
Norihiro SuzukiDepartment of Neurology, School of Medicine, Keio University, Tokyo, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cortical spreading depression (CSD) involves mass depolarization of neurons and glial cells accompanied with changes in regional cerebral blood flow (rCBF) and energy metabolism. To further understand the mechanisms of CBF response, we examined the temporal diametric changes in pial arteries, pial veins, and cortical capillaries. In urethane-anesthetized mice, the diameters of these vessels were measured while simultaneously recording rCBF with a laser Doppler flowmeter. We observed a considerable increase in rCBF during depolarization in CSD induced by application of KCl, accompanied by a transient dip of rCBF with marked vasoconstriction of pial arteries, which resembled the response to pin-prick-induced CSD. Arterial constriction diminished or disappeared during the second and third passages of CSD, whereas the rCBF increase was maintained without a transient dip. Long-lasting oligemia with a decrease in the reciprocal of mean transit time of injected dye and mild constriction of pial arteries was observed after several passages of the CSD wave. These results indicate that CSD-induced rCBF changes consist of initial hyperemia with a transient dip and followed by a long-lasting oligemia, partially corresponding to the diametric changes of pial arteries, and further suggest that vessels other than pial arteries, such as intracortical vessels, are involved.

Indexed as

Cerebrovascular CirculationCortical Spreading DepressionMicrocirculationVasoconstrictionAnimalsCapillariesCerebral ArteriesCerebral VeinsCerebrumHemodynamicsLaser-Doppler FlowmetryMice

Identifiers

PMID25586145
PMCPMC4420891

What OpenQuestion holds

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Registered trials

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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.