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Moderate Traumatic Brain Injury: The Grey Zone of Neurotrauma

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Abstract

Moderate traumatic brain injury (MTBI) is poorly defined in the literature and the nomenclature “moderate” is misleading, because up to 15 % of such patients may die. MTBI is a heterogeneous entity that shares many aspects of its pathophysiology and management with severe traumatic brain injury. Many patients who ‘’talk and died’’ are MTBI. The role of neuroimaging is essential for the proper management of these patients. To analyze all aspects of the pathophysiology and management of MTBI, proposing a new way to categorize it considering the clinical picture and neuroimaging findings. We proposed a different approach to the group of patients with Glasgow Coma Scale (GCS) ranging from 9 through 13 and we discuss the rationale for this proposal. Patients with lower GCS scores (9–10), especially those with significant space-occupying lesions on the CT scan, should be managed following the guidelines for severe traumatic brain injury, with ICU observation, frequent serial computed tomography (CT) scanning and ICP monitoring. On the other hand, those with higher range GCS (11–13) can be managed more conservatively with serial neurological examination and CT scans. Given the available evidence, MTBI is an entity that needs reclassification. Large-scale and well-designed studies are urgently needed.

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Authors and Affiliations

  1. Neurointensive Care Unit, Sanatorio Pasteur, Intensive Care Unit, Hospital San Juan Bautista, Chacabuco 675, 4700, Catamarca, Argentina

    Daniel Agustín Godoy

  2. Department of Neurosurgery, Neuroscience Institute, El Bosque University, Bogotà, Colombia

    Andrés Rubiano

  3. Neuroscience Intensive Care Unit, Department of Neurology, Mayo Clinic, Rochester, MN, USA

    Alejandro A. Rabinstein

  4. Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, USA

    Ross Bullock

  5. Department of Neurosurgery, Vall d´Hebrón University Hospital, Universidad Autonoma de Barcelona, Barcelona, Spain

    Juan Sahuquillo

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Godoy, D.A., Rubiano, A., Rabinstein, A.A. et al. Moderate Traumatic Brain Injury: The Grey Zone of Neurotrauma. Neurocrit Care 25, 306–319 (2016). https://doi.org/10.1007/s12028-016-0253-y

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