What is a concussion?

Concussion is a traumatic brain injury, caused by biomechanical forces to the head, or anywhere on the body which transmits a force to the head. For onlookers, a concussion injury can look like a high impact collision, however concussion can also occur on minor innocuous contact.

What are the signs and symptoms of concussions?

Signs and symptoms initially present as neurological presentations, which can be sometimes obvious, and occur immediately on injury, however some symptoms can be delayed and come hours or even days after injury. The SCAT5 assessment tool identifies possible signs and symptoms including:

Dizziness

Headache

Confusion

Nausea/Vommitting

Blurred Vision

sayings like “I don’t feel right”

difficulty concentrating/remembering

feeling anxious/nervous

potential jaw pain

Concussion management and treatment

Once a concussion is diagnosed, a series of steps need to be completed before a person returns to sport or working conditions. Each step needs to have at least 24 hours before progressing as some delayed symptoms can present.

Stage 1 – Initial rest 24 – 48 hours

  • Spend time in a quiet environment with minimal distractions or stimuli.
  • Avoid physical activities that cause you to be out of breath.
  • Limit screen time.
  • If symptoms persist go to A&E for brain scan to ensure no bleed on brain -especially with visual disturbance.

Stage 2 – Gradual Increase in Activity

  • Attempt simple tasks at home, like reading or writing, conversations.
  • Once tolerating home environment, progress to environments like school or work.
  • Light aerobic activity (at an intensity that can easily be maintained while having a conversation)
  • Accommodate changes at work/school – reduce your hours, workload, quiet environment.

Stage 3 – Return to Activity

  • Start introducing sport specific drills, introduce additional components listed below after each 24 hours passed without any symptoms.
    Non-contact sport specific drills – kicking, stationary skills.

    • Non-contact training drills – passing, lane work, full ground drills.
    • Full contact practice – tackling, bumping.
    • Return to competition/sport.
    • Workers/Students should start increasing hours/workload/usual workspace back to normal, remembering to only increase one aspect initially, waiting 24 hours till increasing the next.

Once back to full activities, you must get clearance from your medical doctor to fully return to work/sport. This is due to the increased likelihood of secondary impact syndrome/ secondary concussions if returning too early, risking more serious consequences.

Bottom line is – when in doubt, sit it out.

References

McClain Rance DO, Concussion and Trauma in Young Athletes: Prevention, Treatment, and Return-to-Play, Primary Care: Clinics in Office Practice, Volume 42, Issue 1, 2015, Pages 77-83, ISSN 0095-4543, http://dx.doi.org/10.1016/j.pop.2014.09.005.

Reed, N., Silverberg, N. D., Iaccarino, M. A., McCrea, M., McCulloch, K. L., Panenka, W., Gregory, E., ,Dams-O’Connor, K., Iverson, G. L., Weyer, J. C., Belanger, H., McKinney, G., Cogan, A. M., Provvidenza, C., Returning to Activity After a Concussion, Archives of Physical Medicine and Rehabilitation, Volume 100, Issue 4, 2019, Pages 789-791, ISSN 0003-9993, http://dx.doi.org/10.1016/j.apmr.2018.11.022.

Elkington, L., Manzanero, S., & Hughes, D. (2019) Concussion in Sport Australia – Position Statement. https://concussioninsport.gov.au/__data/assets/pdf_file/0005/683501/February_2019_-_Concussion_Position_Statement_AC.pdf

Sport concussion assessment tool – 5th edition, British Journal of Sports Medicine 2017;51:851-858. https://bjsm.bmj.com/content/51/11/851

Concussion – Sports Medicine Australia. https://sma.org.au/resources-advice/concussion/

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