Combat-related traumatic brain injury (cTBI), particularly blast-related injury, is frequently associated with the development of persistent and disabling chronic pain. This prospective observational cohort study aims to determine the incidence, phenotypes, and early predictors of chronic pain following mild to moderate combat-related TBI. Adults will be enrolled within 14 days of injury and followed for 6 months. The primary endpoint is clinically significant chronic pain at 3 months, defined by pain intensity and functional interference. The study will evaluate clinical, psychological, and physiological factors to develop and internally validate a prognostic model for chronic pain risk after cTBI.
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Clinically significant chronic pain at 3 months after injury.
Timeframe: From injury to 3 months (±2 weeks) post-injury.