Evidence map›Paper›PMID 29670568›Full record

ArticleFrontiers in neurology2018

The Dynamics of Concussion: Mapping Pathophysiology, Persistence, and Recovery With Causal-Loop Diagramming.

Erin S Kenzie, Elle L Parks, Erin D Bigler, David W Wright, Miranda M Lim, James C Chesnutt, Gregory W J Hawryluk, Wayne Gordon, Wayne Wakeland

Registry-linked trialAbstract read
In one paragraph

Article in Frontiers in neurology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05425303 (Development of a System Dynamics Model for the Prediction of Acute Non-contact Lower Extremity Injuries in Team Sports), which is not on this map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing 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.

NCT05425303 active not recruitingnot on this mapstarted 2022, after this paper: background citation

Development of a System Dynamics Model for the Prediction of Acute Non-contact Lower Extremity Injuries in Team Sports

TypeobservationalSponsorUniversity of PatrasRan2022 to 2027Enrolled99ConditionsSport Injury, Hamstring Injury, Risk Factors, InteractionArmsExposure to risk for injury
3 · Its place in the literature

Who cites it

41 citing papers in PubMed.

  1. Trial
  2. Article
  3. Article
  4. Article
  5. [Progress on the application of system dynamics model in the field of health management].Zhejiang da xue xue bao. Yi xue ban = Journal of Zhejiang University. Medical sciences · 2025
    Review
  6. Review
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Observational
  14. Mapping complex public health problems with causal loop diagrams.International journal of epidemiology · 2024
    Article
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. 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.

Erin S KenzieSystems Science Program, Portland State University, Portland, OR, United States.
Elle L ParksSystems Science Program, Portland State University, Portland, OR, United States.
Erin D BiglerDepartment of Psychology and Neuroscience Center, Brigham Young University, Provo, UT, United States.
David W WrightDepartment of Emergency Medicine, Emory University School of Medicine, Atlanta, GA, United States.
Miranda M LimSleep Disorders Clinic, Division of Hospital and Specialty Medicine, Research Service, VA Portland Health Care System, Portland, OR, United States.
James C ChesnuttTBI/Concussion Program, Orthopedics & Rehabilitation, Neurology and Family Medicine, Oregon Health & Science University, Portland, OR, United States.
Gregory W J HawrylukDepartment of Neurosurgery, University of Utah, Salt Lake City, UT, United States.
Wayne GordonDepartment of Rehabilitation Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
Wayne WakelandSystems Science Program, Portland State University, Portland, OR, United States.

Funding

BLRD VA IK2 BX002712
6 · The paper itself

Abstract

Despite increasing public awareness and a growing body of literature on the subject of concussion, or mild traumatic brain injury, an urgent need still exists for reliable diagnostic measures, clinical care guidelines, and effective treatments for the condition. Complexity and heterogeneity complicate research efforts and indicate the need for innovative approaches to synthesize current knowledge in order to improve clinical outcomes. Methods from the interdisciplinary field of systems science, including models of complex systems, have been increasingly applied to biomedical applications and show promise for generating insight for traumatic brain injury. The current study uses causal-loop diagramming to visualize relationships between factors influencing the pathophysiology and recovery trajectories of concussive injury, including persistence of symptoms and deficits. The primary output is a series of preliminary systems maps detailing feedback loops, intrinsic dynamics, exogenous drivers, and hubs across several scales, from micro-level cellular processes to social influences. Key system features, such as the role of specific restorative feedback processes and cross-scale connections, are examined and discussed in the context of recovery trajectories. This systems approach integrates research findings across disciplines and allows components to be considered in relation to larger system influences, which enables the identification of research gaps, supports classification efforts, and provides a framework for interdisciplinary collaboration and communication-all strides that would benefit diagnosis, prognosis, and treatment in the clinic.

Indexed as

causal-loop diagramcomplexityconcussionmodels of injuryrecoverysystems medicinesystems sciencetraumatic brain injury

Identifiers

PMID29670568
PMCPMC5893805

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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.