Concussions in Ontario: New Findings

by Colleen Fleiss on  July 4, 2019 at 9:26 AM Research News
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New study revealed that 150,000 of Ontarians (1.2% of province's population) are diagnosed with a concussion each year. That's almost twice as high as previously recorded, and may represent a closer estimate of the true picture of concussion in Ontario. Their findings were published the Journal of Head Trauma Rehabilitation.
Concussions in Ontario: New Findings
Concussions in Ontario: New Findings

"Past research has looked at the incidence of concussion by examining a particular population; cause of injury; or use a single reporting source, such as records from the Emergency Department. This can under-represent estimates of the real incidence of concussion," says lead author, Laura Langer.

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"Our study revealed concussion rates that are almost double what has been previously reported, and highlights the critical importance of looking at everyone who sought medical attention for their concussion."

These more accurate estimates support the importance ongoing awareness around concussion symptoms and management, and the need for more specialized concussion clinics near populations that need them the most.

Concussions in Ontario - who is at risk?

By leveraging the ICES Data Repository - a province-wide archive that integrates multiple clinical and administrative health databases - the team captured an unprecedented, comprehensive, view of concussion rates in Ontario between 2008 and 2016.

Here is what they found:

About 150,000 Ontarians experience a concussion each year

Children under 5 years old experience the highest rate of concussion among all Ontarians

Adults over 65 - especially women - experience a higher rate of concussion than younger adults

26% all of concussions are diagnosed in the summer

Rural communities experience a higher rate of concussion than non-rural communities

Though most concussions are diagnosed in the Emergency Department, more and more patients with concussion symptoms are visiting their own doctors

Epidemic or better recognition?

Future directions

Access to the ICES Data Repository presents a unique opportunity for Ontario to be a world leader in concussion care and research.

As patients increasingly look to their own doctors for a diagnosis, the researchers identify a need to continue raising awareness about causes and symptoms, and a growing obligation to educate doctors on concussion care.

Furthermore, since about 1 in 7 Ontarians with a concussion will experience persistent, post-concussive symptoms, it's critical to develop tools to identify who will face long-term problems, so we can individualize early treatments to prevent long-term complications.

The study was funded by, and conducted in collaboration with, Ontario Neurotrauma Foundation. Toronto Rehabilitation Institute is also financially supported by the Toronto Rehab Foundation.

This study made use of de-identified data from the ICES Data Repository, which is managed by ICES, a non-profit research institute that uses population-based health information to produce knowledge on a broad range of health care issues.

Source: Eurekalert

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