Impact of Prior Brain Injury on Concussion Recovery in Military Personnel: Evaluation of Timing Between Concussions

Objective: To evaluate the potential impact of timing between the current and the most recent previous concussions on symptom severity among acutely concussed active duty military Service members (SMs). Setting: Three military installations. Participants: Eighty-four SMs aged 18 to 44 years who sustained a concussion within 72 hours of enrollment. No previous concussion within 1 year preenrollment. Design: Longitudinal study with enrollment within 72 hours of injury, and follow-up at 1 week and 1 month postinjury. Main Measures: Lifetime concussion history (yes/no) and recency of the latest concussion (no history, relatively more recent [1 to
Source: The Journal of Head Trauma Rehabilitation - Category: Neurology Tags: Original Articles Source Type: research