The multiple metabolic alterations following neurologic injuries create several unique challenges for clinicians providing nutrition support. The hypermetabolic and hypercatabolic state following traumatic brain injury (TBI) has been well studied over the past three decades. This review discusses several unique issues to incorporate into the nutrition support plan for both acute traumatic and nontraumatic brain injuries. The initial energy expenditure assessment varies drastically among the different neurologic injuries, from the lowest with anoxic brain injury and spinal cord injury to the highest with traumatic subdural hemorrhagic injury. Measuring energy expenditure with indirect calorimetry becomes a critical component of the assessment due to wide-ranging metabolic needs and effects from various drug therapies. An excess or a lack of adequate nutrition support clearly results in worse neurologic and nutrition status outcomes. The nutrition status and preexisting comorbidities of the neurologically injured patient further compound the complexity of the nutrition plan. Anticipating and correcting for refeeding syndrome in the malnourished stroke patient or alcoholic hypermetabo
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