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Concussion is a prevalent brain injury in the community that is currently drawing much attention from the medical, legal, and media communities [1][2][3][4] . In 2000, there were 11,068 reported head injuries in public schools in Ontario, of which 1861 were concussions 5 . The Center for Disease Control and Prevention estimates that up to 75% of the 1.5 million traumatic brain injuries in the United States each year are concussions 6 . Brain injuries including concussions often occur in children and young adults -such as athletes -and therefore have the potential to cause substantial quality of life years lost [7][8][9] . With the high prevalence of concussion, every physician is likely to be called upon to manage a concussion at least once in ABSTRACT: Background and Objectives: Concussion is a prevalent brain injury in the community. While primary prevention strategies need to be enhanced, it is also important to diagnose and treat concussions expertly and expeditiously to prevent serious complications that may be life-threatening or long lasting. Therefore, physicians should be knowledgeable about the diagnosis and management of concussions. The present study assesses Ontario medical students' and residents' knowledge of concussion management. Methods: A survey to assess the knowledge and awareness of the diagnosis and treatment of concussions was developed and administered to graduating medical students (n= 222) and neurology and neurosurgery residents (n = 80) at the University of Toronto. Results: Residents answered correctly significantly more of the questions regarding the diagnosis and management of concussions than the medical students (mean = 5.8 vs 4.1, t= 4.48, p<0.01). Gender, participation in sports, and personal concussion history were not predictive of the number of questions answered correctly. Several knowledge gaps were identified in the sample population as a whole. Approximately half of the medical students and residents did not recognize chronic traumatic encephalopathy (n = 36) or the second impact syndrome (n = 44) as possible consequences of repetitive concussions. Twenty-four percent of the medical students (n = 18) did not think that "every concussed individual should see a physician" as part of management. Conclusions: A significant number of medical students and residents have incomplete knowledge about concussion diagnosis and management. This should be addressed by targeting this population during undergraduate medical education.RÉSUMÉ: Les connaissances sur la commotion cérébrale chez les étudiants en médecine et les résidents en neurologie/neurochirurgie. Contexte et objectifs : La commotion cérébrale est un traumatisme cérébral relativement fréquent. Non seulement les stratégies de prévention doivent-elles être renforcées, mais encore il est important de diagnostiquer et de traiter rapidement et adéquatement la commotion cérébrale afin de prévenir les complications sérieuses qui peuvent mettre la vie en danger ou avoir des répercussions à long terme. Les médecins doivent donc s...
Concussion is a prevalent brain injury in the community that is currently drawing much attention from the medical, legal, and media communities [1][2][3][4] . In 2000, there were 11,068 reported head injuries in public schools in Ontario, of which 1861 were concussions 5 . The Center for Disease Control and Prevention estimates that up to 75% of the 1.5 million traumatic brain injuries in the United States each year are concussions 6 . Brain injuries including concussions often occur in children and young adults -such as athletes -and therefore have the potential to cause substantial quality of life years lost [7][8][9] . With the high prevalence of concussion, every physician is likely to be called upon to manage a concussion at least once in ABSTRACT: Background and Objectives: Concussion is a prevalent brain injury in the community. While primary prevention strategies need to be enhanced, it is also important to diagnose and treat concussions expertly and expeditiously to prevent serious complications that may be life-threatening or long lasting. Therefore, physicians should be knowledgeable about the diagnosis and management of concussions. The present study assesses Ontario medical students' and residents' knowledge of concussion management. Methods: A survey to assess the knowledge and awareness of the diagnosis and treatment of concussions was developed and administered to graduating medical students (n= 222) and neurology and neurosurgery residents (n = 80) at the University of Toronto. Results: Residents answered correctly significantly more of the questions regarding the diagnosis and management of concussions than the medical students (mean = 5.8 vs 4.1, t= 4.48, p<0.01). Gender, participation in sports, and personal concussion history were not predictive of the number of questions answered correctly. Several knowledge gaps were identified in the sample population as a whole. Approximately half of the medical students and residents did not recognize chronic traumatic encephalopathy (n = 36) or the second impact syndrome (n = 44) as possible consequences of repetitive concussions. Twenty-four percent of the medical students (n = 18) did not think that "every concussed individual should see a physician" as part of management. Conclusions: A significant number of medical students and residents have incomplete knowledge about concussion diagnosis and management. This should be addressed by targeting this population during undergraduate medical education.RÉSUMÉ: Les connaissances sur la commotion cérébrale chez les étudiants en médecine et les résidents en neurologie/neurochirurgie. Contexte et objectifs : La commotion cérébrale est un traumatisme cérébral relativement fréquent. Non seulement les stratégies de prévention doivent-elles être renforcées, mais encore il est important de diagnostiquer et de traiter rapidement et adéquatement la commotion cérébrale afin de prévenir les complications sérieuses qui peuvent mettre la vie en danger ou avoir des répercussions à long terme. Les médecins doivent donc s...
Objective To investigate the association between helmet legislation and admissions to hospital for cycling related head injuries among young people and adults in Canada.Design Interrupted time series analysis using data from the National Trauma Registry Minimum Data Set. Main outcome measure Rate of admissions to hospital for cycling related head injuries before and after the implementation of provincial helmet legislation. SettingResults Between 1994 and 2008, 66 716 hospital admissions were for cycling related injuries in Canada. Between 1994 and 2003, the rate of head injuries among young people decreased by 54.0% (95% confidence interval 48.2% to 59.8%) in provinces with helmet legislation compared with 33.1% (23.3% to 42.9%) in provinces and territories without legislation. Among adults, the rate of head injuries decreased by 26.0% (16.0% to 36.3%) in provinces with legislation but remained constant in provinces and territories without legislation. After taking baseline trends into consideration, however, we were unable to detect an independent effect of legislation on the rate of hospital admissions for cycling related head injuries.Conclusions Reductions in the rates of admissions to hospital for cycling related head injuries were greater in provinces with helmet legislation, but injury rates were already decreasing before the implementation of legislation and the rate of decline was not appreciably altered on introduction of legislation. While helmets reduce the risk of head injuries and we encourage their use, in the Canadian context of existing safety campaigns, improvements to the cycling infrastructure, and the passive uptake of helmets, the incremental contribution of provincial helmet legislation to reduce hospital admissions for head injuries seems to have been minimal.
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