Research Brief: Long Term Dangers of Concussions
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Research Brief: Long Term Dangers of Concussions

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Researchers at Nationwide Children’s Hospital say classifying level of concussion may lead to better long-term outcomes.

Researchers at Nationwide Children’s Hospital say classifying level of concussion may lead to better long-term outcomes.

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Research Brief: Long Term Dangers of Concussions Document Transcript

  • 1. Longitudinal Trajectories of Postconcussive Symptoms in Children with Mild Traumatic Brain Injuries and Their Relationships to Acute Clinical Status *Research published in 2009 (123) Pediatrics. Introduction • Children with MTBI were more likely to demonstrate Mild traumatic brain injuries (MTBIs), also commonly high acute/resolved and high acute/persistent referred to as concussions, are a very common medi- trajectories compared to children with orthopedic cal problem for children and adolescents. MTBIs often injury. result in postconcussive symptoms. Postconcussive • The two trajectories with high acute levels of post symptoms include somatic, emotional, and cognitive concussive symptoms were likely among children complaints, such as headaches, fatigue, irritability, and with MTBIs whose acute clinical presentation difficulties with memory and attention. reflected more severe injury. This is the first prospective, longitudinal study of post- • Physicians should monitor children with MTBIs, concussive symptoms in children that defined MTBIs to identify those who display acute and persistent across a range of injury severity, including “compli- increases in postconcussive symptoms. Appropriate cated” MTBIs (i.e., those with acute indications of more interventions may alleviate postconcussive symptoms severe brain injury). The study examined trajectories of when they do occur. postconcussive symptoms across the first year follow- ing injury in 8-15 year-old children with MTBIs and Research Method children with orthopedic injuries. Results indicate that • Sample consisted of 8- to 15-year-old children acute increases in postconcussive symptoms and persis- (186 with MTBIs; 99 with mild orthopedic injuries). tent postconcussive symptoms are more likely to occur Children were recruited from consecutive after MTBIs than orthopedic injuries, and especially so admissions to emergency departments at two large after complicated MTBIs. children’s hospitals. Children with MTBI were more likely than children • Parents rated current postconcussive symptoms with orthopedic injury to belong to trajectories involv- within 3 weeks of injury and at 1, 3 and 12 months ing high acute/persistent symptoms and high acute/ after injury. Parents also reported retrospective resolved symptoms. Children whose MTBIs were asso- ratings of pre-injury symptoms. ciated with indicators of more severe brain injury were • Children with MTBIs completed an MRI of the brain. especially likely to demonstrate high acute levels of postconcussive symptoms, as well as persistent symp- • Predictors of postconcussive symptoms included: toms over time. – Loss of consciousness – Glasgow Coma Scale score below 15 The study’s findings help to address the ongoing debate on whether and why postconcussive symptoms – Associated injuries continue over time following MTBIs in children and – Acute signs and symptoms of concussion adolescents. (e.g., persistent post-traumatic amnesia) Key Findings from Study – Intracranial abnormalities on MRI • Children with MTBI and those with orthopedic For more information, please contact the injury demonstrated different distributions of Center for Biobehavioral Health in The symptom trajectories. Research Institute at Nationwide Children’s Hospital at 614-722-3182 www.NationwideChildrens.org/Research 2918