Diagnostic and Therapeutic Approaches in Neurorehabilitation after Traumatic Brain Injury and Disorders of Consciousness

Author:

Lippert Julian1,Guggisberg Adrian G.1ORCID

Affiliation:

1. Department of Neurology, University Neurorehabilitation, University Hospital Bern, Inselspital, University of Bern, 3012 Bern, Switzerland

Abstract

Severe traumatic brain injury (TBI) may cause disorders of consciousness (DoC) in the form of coma, unresponsive wakefulness syndrome (UWS), or minimally conscious state (MCS). Despite significant advancements made over the last two decades in detecting, predicting, and promoting the recovery of consciousness in TBI patients with DoC, the available diagnostic and treatment choices remain limited. In cases of severe TBI, the dissolution of consciousness both in the acute and post-acute phases constitutes one of the major clinical findings and challenges. In clinical settings, neurologists and neurorehabilitation specialists are called on to discern the level of consciousness in patients who are unable to communicate, and to project outcomes and recommend approaches to treatment. Standards of care are not available to guide clinical decision-making for this population, often leading to inconsistent, inaccurate, and inappropriate care. Recent studies refer to network-based mechanisms of consciousness as a more promising method to predict outcomes and functional recovery. A further goal is the modulation of neural networks underlying awareness and arousal as the main components of consciousness. This review centers on the difficulties in characterizing individuals experiencing post-traumatic DoC and on the recent advancements made in the identification and prognostication of consciousness recovery through the utilization of advanced neuroimaging and electrophysiological techniques as well as biomarkers. Moreover, we discuss new treatment approaches and summarize recent therapeutic recommendations.

Publisher

MDPI AG

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