Evidence map›Paper›PMID 25274845›Full record

ReviewNeurology2014

Cerebrovascular regulation, exercise, and mild traumatic brain injury.

Can Ozan Tan, William P Meehan, Grant L Iverson, J Andrew Taylor

Abstract readReview
In one paragraph

Review in Neurology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
73citing papers in PubMed, 4 pooled it
–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

73 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Pooled it
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  8. Influence of Aerobic Exercise Volume on Postconcussion Symptoms.The American journal of sports medicine · 2021
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  15. Persistent dysmorphology and dysfunction of the brain microvasculature following repeated trauma.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2026
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  16. Review
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13 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

4 authors.

Can Ozan TanFrom the Cardiovascular Research Laboratory, Spaulding Rehabilitation Hospital, Department of Physical Medicine and Rehabilitation, Harvard Medical School (C.O.T., J.A.T.); The Micheli Center for Sports Injury Prevention, Division of Sports Medicine, Boston Children's Hospital, Department of Pediatrics and Orthopedics, Harvard Medical School (W.P.M.); and Department of Physical Medicine and Rehabilitation, Harvard Medical School, Spaulding Rehabilitation Hospital, Massachusetts General Hospital Sport Concussion Clinic, Red Sox Foundation and Massachusetts General Hospital Home Base Program (G.L.I.). cotan@partners.org.
William P MeehanFrom the Cardiovascular Research Laboratory, Spaulding Rehabilitation Hospital, Department of Physical Medicine and Rehabilitation, Harvard Medical School (C.O.T., J.A.T.); The Micheli Center for Sports Injury Prevention, Division of Sports Medicine, Boston Children's Hospital, Department of Pediatrics and Orthopedics, Harvard Medical School (W.P.M.); and Department of Physical Medicine and Rehabilitation, Harvard Medical School, Spaulding Rehabilitation Hospital, Massachusetts General Hospital Sport Concussion Clinic, Red Sox Foundation and Massachusetts General Hospital Home Base Program (G.L.I.).
Grant L IversonFrom the Cardiovascular Research Laboratory, Spaulding Rehabilitation Hospital, Department of Physical Medicine and Rehabilitation, Harvard Medical School (C.O.T., J.A.T.); The Micheli Center for Sports Injury Prevention, Division of Sports Medicine, Boston Children's Hospital, Department of Pediatrics and Orthopedics, Harvard Medical School (W.P.M.); and Department of Physical Medicine and Rehabilitation, Harvard Medical School, Spaulding Rehabilitation Hospital, Massachusetts General Hospital Sport Concussion Clinic, Red Sox Foundation and Massachusetts General Hospital Home Base Program (G.L.I.).
J Andrew TaylorFrom the Cardiovascular Research Laboratory, Spaulding Rehabilitation Hospital, Department of Physical Medicine and Rehabilitation, Harvard Medical School (C.O.T., J.A.T.); The Micheli Center for Sports Injury Prevention, Division of Sports Medicine, Boston Children's Hospital, Department of Pediatrics and Orthopedics, Harvard Medical School (W.P.M.); and Department of Physical Medicine and Rehabilitation, Harvard Medical School, Spaulding Rehabilitation Hospital, Massachusetts General Hospital Sport Concussion Clinic, Red Sox Foundation and Massachusetts General Hospital Home Base Program (G.L.I.).

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A substantial number of people who sustain a mild traumatic brain injury report persistent symptoms. Most common among these symptoms are headache, dizziness, and cognitive difficulties. One possible contributor to sustained symptoms may be compromised cerebrovascular regulation. In addition to injury-related cerebrovascular dysfunction, it is possible that prolonged rest after mild traumatic brain injury leads to deconditioning that may induce physiologic changes in cerebral blood flow control that contributes to persistent symptoms in some people. There is some evidence that exercise training may reduce symptoms perhaps because it engages an array of cerebrovascular regulatory mechanisms. Unfortunately, there is very little work on the degree of impairment in cerebrovascular control that may exist in patients with mild traumatic brain injury, and there are no published studies on the subacute phase of recovery from this injury. This review aims to integrate the current knowledge of cerebrovascular mechanisms that might underlie persistent symptoms and seeks to synthesize these data in the context of exploring aerobic exercise as a feasible intervention to treat the underlying pathophysiology.

Indexed as

Brain InjuriesCerebrovascular CirculationExercise TherapyHumans

Identifiers

PMID25274845
PMCPMC4223082

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.