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Updated: Jul 8, 2026
Assessment and Communication for People with Disorders of Consciousness
Published on: August 1, 2017
[Behavioural assessment and functional neuro-imaing in vegetative state patients]
A Vanhaudenhuyse1, C Schnakers, M Boly
1Coma Science Group, Centre de Recherches du Cyclotron, ULg, Liège, Belgique.
Accurate diagnosis of vegetative state is crucial. Utilizing sensitive coma scales like the Glasgow Coma Scale and Coma Recovery Scale-Revised aids in detecting consciousness and improving patient outcomes.
Area of Science:
- Neurology
- Neuroscience
- Critical Care Medicine
Context:
- High rates of misdiagnosis in vegetative state patients.
- Need for sensitive tools to detect consciousness in neurocritical care.
Purpose:
- To review current coma scales for assessing consciousness.
- To highlight advanced diagnostic and prognostic methodologies.
Summary:
- Discusses the Glasgow Coma Scale (GCS), Glasgow Liège Scale (GLS), Full Outline of UnResponsiveness (FOUR), and Coma Recovery Scale-Revised (CRS-R).
- Emphasizes methodology, such as using a moving mirror for visual pursuit assessment.
- Mentions cerebral positron emission tomography (PET) for metabolic activity quantification and functional magnetic resonance imaging (fMRI) for prognostic evaluation.
Impact:
- Aims to reduce misdiagnosis rates in vegetative and minimally conscious states.
- Provides clinicians with a comprehensive overview of assessment tools and techniques.
- Enhances the accurate diagnosis and prognostic assessment of patients with disorders of consciousness.
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