Evidence map›Paper›PMID 30658408›Full record

ArticleInternational journal of environmental research and public health2019

Dangers of Mixed Martial Arts in the Development of Chronic Traumatic Encephalopathy.

Lucas J H Lim, Roger C M Ho, Cyrus S H Ho

Open access · goldAbstract readCase Reports
In one paragraph

Article in International journal of environmental research and public health, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
3.4field-weighted citation impact, top 8% 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

7 citing papers in PubMed, 28 citations in OpenAlex.

  1. Bioenergetics of the combat sports brain: Between risk and resilience.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2026
    Review
  2. A thing about karate in physical culture.Frontiers in sports and active living · 2024
    Article
  3. Approach considerations for the management of strangulation in the emergency department.Journal of the American College of Emergency Physicians open · 2022
    Article
  4. A multi-staged neuropeptide response to traumatic brain injury.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2022
    Article
  5. Article
  6. Article
  7. Bibliometric Analysis of Chronic Traumatic Encephalopathy Research from 1999 to 2019.International journal of environmental research and public health · 2020
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 3 countries.

Lucas J H LimDepartment of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119074, Singapore. lucas.lim@mohh.com.sg.
Roger C M HoDepartment of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119074, Singapore. pcmrhcm@nus.edu.sg.ORCID 0000-0001-9629-4493
Cyrus S H HoDepartment of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119074, Singapore. su_hui_ho@nuhs.edu.sg.ORCID 0000-0002-7092-9566
National University of Singapore · SGHuaibei Normal University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Chronic traumatic encephalopathy (CTE) was first discovered in professional boxers after they exhibited memory impairments, mood and behavioral changes after years of boxing. However, there is now a growing acceptance that CTE can develop in athletes of other sports due to the repetitive head trauma they receive. We present a case of a middle-aged male who presented with worsening memory, poor concentration, and behavioral changes for a year. On further cognitive testing, it was revealed that he had difficulties with short-term memory and processing speed as well as difficulties in organizing and multitasking. He had been practicing mixed martial arts (MMA) for 10 years, and later was an instructor of the sport. Through a detailed examination of his history, it was discovered that he sustained recurrent minor head concussions due to his line of work. To date, there has been limited large-scale research on head trauma in MMA. There is thus an urgent need for more studies in this area as CTE can be a chronic and debilitating illness with incapacitating neuropsychiatric sequelae. This case highlights the importance of public awareness of the risks of MMA and the dangers it poses to the brain, especially with more young people being attracted to this sport.

Indexed as

Martial ArtsAdultBrain ConcussionChronic Traumatic EncephalopathyHumansMalechronic traumatic encephalopathymixed martial artsneuropsychiatric sequelae

Identifiers

PMID30658408
PMCPMC6352039
OpenAlexW2908611189

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.