Activity-Related Symptom Exacerbations After Pediatric Concussion

Area of Science:

• Pediatric neurology
• Sports medicine
• Neuroscience

Background:

• Concussion recovery typically involves gradual improvement, but symptoms can worsen with exertion.
• The phenomenon of symptom exacerbations (spikes) after concussion is not well understood.
• Understanding symptom spikes is crucial for guiding recovery and return-to-activity protocols in adolescents.

Purpose of the Study:

• To investigate the incidence, course, and clinical significance of symptom spikes in children following a concussion.
• To characterize the factors associated with symptom spikes.
• To determine if symptom spikes impact cognitive and balance outcomes.

Main Methods:

• Secondary analysis of clinical trial data from 63 children (aged 11-18) with concussion.
• Participants completed daily symptom scales and activity logs for 10 days post-injury.
• Standardized assessments of symptoms, cognition, and balance were performed 10 days post-injury.

Main Results:

• Symptom spikes occurred in 31.7% of participants and typically resolved within 24 hours.
• Increased mental activity was associated with a higher risk of symptom spikes, though most spikes were not preceded by increased activity.
• Patients with symptom spikes were initially more symptomatic but showed no significant differences in cognition or balance at 10 days post-injury.

Conclusions:

• Symptom spikes in children after concussion may not be detrimental to overall recovery.
• Certain individuals may be prone to reporting variable symptoms.
• Findings support gradual return-to-school and activity guidelines for adolescents post-concussion.