Prolonged disorder of consciousness in children, an update

Area of Science:

• Pediatric Neurology
• Neuroscience
• Clinical Medicine

Background:

• Prolonged disorders of consciousness (PDOC) in children present significant clinical, ethical, and legal complexities.
• PDOC, lasting over 4 weeks post-brain injury, encompasses conditions like the vegetative state/unresponsive wakefulness syndrome (VS/UWS) and minimally conscious state (MCS).
• Patients with PDOC lack decision-making capacity, necessitating surrogate decision-making based on best interests, which can lead to conflicts.

Purpose of the Study:

• To provide an updated review of pediatric PDOC, covering definitions, subcategorization, etiology, prognosis, evaluation, and treatment.
• To enhance clinical practice by synthesizing current evidence on pediatric PDOC.
• To address the diagnostic challenges and variability in PDOC classification.

Main Methods:

• Review of current literature on pediatric prolonged disorders of consciousness.
• Synthesis of evidence regarding definitions, diagnostic criteria, and treatment modalities.
• Analysis of factors influencing diagnosis, including misdiagnosis rates and the role of neuroimaging.

Main Results:

• The diagnosis of PDOC relies on clinical evaluations, which have a notable misdiagnosis rate (up to 45%).
• Standardized clinical guidelines, neuroimaging, and neurophysiological studies are essential to complement clinical evaluations.
• International variations in PDOC definitions and subcategorizations complicate consistent evaluation and management.

Conclusions:

• Accurate and comprehensive evaluation is critical for effective pediatric PDOC management.
• Standardized approaches and advanced diagnostic tools are needed to improve diagnostic accuracy and reduce misdiagnosis.
• Further research and consensus on definitions and treatments are necessary to optimize clinical practice for children with PDOC.