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Published on: December 6, 2016
The use of bispectral index monitors in paediatric intensive care
1Honorary Clinical Lecturer in Paediatric Intensive Care Medicine, Paediatric Intensive Care Unit, Royal Manchester Children's Hospital, Manchester, UK. Stephen.playfor@cmmc.nhs.uk
Insights
The bispectral index (BIS) may help assess sedation depth in critically ill children. However, current evidence shows only moderate correlation with clinical scores, limiting routine use.
Area of Science:
- Neurophysiology
- Critical Care Medicine
- Pediatrics
Background:
- The bispectral index (BIS) is a processed electroencephalographic parameter used to assess sedation depth.
- Triltsch and colleagues investigated the correlation between BIS scores and clinical sedation scoring systems in critically ill children.
Discussion:
- Good correlation was observed during deep sedation and with optimal electrode impedance.
- Previous studies indicate only moderate correlation between BIS and clinical sedation scales.
- Current evidence is insufficient to support routine BIS monitoring in pediatric critical care.
Key Insights:
- BIS monitoring shows potential for evaluating sedation depth in critically ill children.
- Correlation is strongest under specific conditions (deep sedation, low impedance).
- Variability in correlation limits widespread clinical application.
Outlook:
- Further research is needed to establish the reliability and utility of BIS in pediatric sedation monitoring.
- Investigating factors influencing BIS accuracy in diverse pediatric populations is crucial.
- Developing standardized protocols for BIS use in pediatric critical care may enhance its clinical value.
Abstract:
The bispectral index (BIS) is a processed neurophysiological electroencephalographic parameter that may be used to evaluate the depth of sedation in critically ill children. Triltsch and colleagues attempted to correlate BIS scores with a commonly used clinical sedation scoring system. They were able to demonstrate good correlation during deep sedation and in cases where the electrical impedance of the BIS electrodes was lowest. Studies have shown only moderate degrees of correlation between BIS scores and clinical sedation scoring systems. There is currently insufficient evidence to recommend routine monitoring of BIS scores in critically ill children.
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