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Substance use significantly affects patient outcomes in trauma care, with alcohol and drugs implicated in 50% of motor vehicle collisions and homicides. Roughly half of all adult trauma patients present with impairments related to intoxication, which can include alterations in level of consciousness, pupil responses, vital signs, and pain perception. Understanding these factors is crucial for effective assessment and management in emergency settings, and highlights the need for comprehensive screening and treatment strategies for affected patients.
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