Evidence map›Paper›PMID 25972119›Full record

ArticleBrain imaging and behavior2016

Alterations in default-mode network connectivity may be influenced by cerebrovascular changes within 1 week of sports related concussion in college varsity athletes: a pilot study.

Adam R Militana, Manus J Donahue, Allen K Sills, Gary S Solomon, Andrew J Gregory, Megan K Strother, Victoria L Morgan

Abstract read
In one paragraph

Article in Brain imaging and behavior, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed, 4 pooled it
5.5field-weighted citation impact, top 4% 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

43 citing papers in PubMed, 4 syntheses or guidelines pooled it, 82 citations in OpenAlex.

  1. Pooled it
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  9. Alterations of cerebrovascular reactivity following pediatric mild traumatic brain injury are independent of neurodevelopmental changes.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2025
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  10. Review
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  12. Multifaceted neural and vascular pathologies after pediatric mild traumatic brain injury.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2024
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  13. Article
  14. Arterial spin labeling magnetic resonance evaluates changes of cerebral blood flow in patients with mild traumatic brain injury.Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2022
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  15. Review
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  17. Persistent COJournal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2021
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  18. Review
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  20. Imaging biomarkers of vascular and axonal injury are spatially distinct in chronic traumatic brain injury.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2021
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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.

Adam R MilitanaDepartment of Radiology and Radiological Sciences, Vanderbilt University School of Medicine, Nashville, TN, USA.
Manus J DonahueDepartment of Radiology and Radiological Sciences, Vanderbilt University School of Medicine, Nashville, TN, USA.
Allen K SillsDepartment of Neurosurgery, Vanderbilt University School of Medicine, Nashville, TN, USA.
Gary S SolomonDepartment of Neurosurgery, Vanderbilt University School of Medicine, Nashville, TN, USA.
Andrew J GregoryDepartment of Orthopedics, Vanderbilt University School of Medicine, Nashville, TN, USA.
Megan K StrotherDepartment of Radiology and Radiological Sciences, Vanderbilt University School of Medicine, Nashville, TN, USA.
Victoria L MorganDepartment of Radiology and Radiological Sciences, Vanderbilt University School of Medicine, Nashville, TN, USA. victoria.morgan@vanderbilt.edu.
Vanderbilt University · US

Funding

The Vanderbilt Institute for Clinical and Translational Research (VICTR)UL1TR000445 · NCATS · VANDERBILT UNIVERSITY MEDICAL CENTER · PI BERNARD, GORDON RAPHAEL · 2012 to 2016
$41.4M
Research Project: Sensory and Multisensory Contributions to AutismU54HD083211 · NICHD · VANDERBILT UNIVERSITY MEDICAL CENTER · PI DYKENS, ELISABETH MAY · 2015 to 2019
$7.1M
NCATS NIH HHS UL1 TR000445NICHD NIH HHS U54 HD083211
6 · The paper itself

Abstract

The goal of this pilot study is to use complementary MRI strategies to quantify and relate cerebrovascular reactivity, resting cerebral blood flow and functional connectivity alterations in the first week following sports concussion in college varsity athletes. Seven college athletes (3F/4M, age = 19.7 ± 1.2 years) were imaged 3-6 days following a diagnosed sports related concussion and compared to eleven healthy controls with no history of concussion (5M/6F, 18-23 years, 7 athletes). Cerebrovascular reactivity and functional connectivity were measured using functional MRI during a hypercapnia challenge and via resting-state regional partial correlations, respectively. Resting cerebral blood flow was quantified using arterial spin labeling MRI methods. Group comparisons were made within and between 18 regions of interest. Cerebrovascular reactivity was increased after concussion when averaged across all regions of interest (p = 0.04), and within some default-mode network regions, the anterior cingulate and the right thalamus (p < 0.05) independently. The FC was increased in the concussed athletes within the default-mode network including the left and right hippocampus, precuneus and ventromedial prefrontal cortex (p < 0.01), with measures being linearly related to cerebrovascular reactivity in the hippocampus in the concussed athletes. Significant resting cerebral blood flow changes were not detected between the two groups. This study provides evidence for increased cerebrovascular reactivity and functional connectivity in the medial regions of the default-mode network within days of a single sports related concussion in college athletes. Our findings emphasize the utility of complementary cerebrovascular measures in the interpretation of alterations in functional connectivity following concussion.

Indexed as

AdolescentAthletesAthletic InjuriesBrainBrain ConcussionBrain MappingCerebrovascular CirculationConnectomeFemaleGyrus CinguliHumansMagnetic Resonance ImagingMaleParietal LobePilot ProjectsSportsCerebral blood flowCerebrovascular reactivityConcussionFunctional connectivityFunctional MRI

Identifiers

PMID25972119
PMCPMC4644725
OpenAlexW338840253

What OpenQuestion holds

Textmetadata
LicenceTDM
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.