Francisco A Lobo1, Stefan Schraag. 1. Anaesthesiology Department, Hospital Geral de Santo António - Centro Hospitalar do Porto, Porto, Portugal. xlanesth@gmail.com
Abstract
PURPOSE OF REVIEW: We critically review brain function monitors based on the processed electroencephalogram with regards to signal quality, artefacts and other limitations in clinical performance. RECENT FINDINGS: Several studies have been showing that depth of anaesthesia monitors based on processed electroencephalogram has limitations that can lead to a wrong interpretation of the level of anaesthesia. Processed electroencephalogram indices can be altered by nonanaesthetic influences ranging from artefacts that affect signal quality and signal processing, adverse effects of some anaesthetic and nonanaesthetic drugs, neuromuscular blocking agents to conditions inherent to the patient such as cerebral tumours, brain ischemia and temperature. SUMMARY: Clinicians should be aware of the several limitations of the commercial devices intending to monitor the depth of anaesthesia, which may not reflect the real underlying level of unconsciousness.
PURPOSE OF REVIEW: We critically review brain function monitors based on the processed electroencephalogram with regards to signal quality, artefacts and other limitations in clinical performance. RECENT FINDINGS: Several studies have been showing that depth of anaesthesia monitors based on processed electroencephalogram has limitations that can lead to a wrong interpretation of the level of anaesthesia. Processed electroencephalogram indices can be altered by nonanaesthetic influences ranging from artefacts that affect signal quality and signal processing, adverse effects of some anaesthetic and nonanaesthetic drugs, neuromuscular blocking agents to conditions inherent to the patient such as cerebral tumours, brain ischemia and temperature. SUMMARY: Clinicians should be aware of the several limitations of the commercial devices intending to monitor the depth of anaesthesia, which may not reflect the real underlying level of unconsciousness.
Authors: Frank A Rasulo; Philip Hopkins; Francisco A Lobo; Pierre Pandin; Basil Matta; Carla Carozzi; Stefano Romagnoli; Anthony Absalom; Rafael Badenes; Thomas Bleck; Anselmo Caricato; Jan Claassen; André Denault; Cristina Honorato; Saba Motta; Geert Meyfroidt; Finn Michael Radtke; Zaccaria Ricci; Chiara Robba; Fabio S Taccone; Paul Vespa; Ida Nardiello; Massimo Lamperti Journal: Neurocrit Care Date: 2022-07-27 Impact factor: 3.532
Authors: Nicola Gitti; Stefania Renzi; Mattia Marchesi; Michele Bertoni; Francisco A Lobo; Frank A Rasulo; Alberto Goffi; Matteo Pozzi; Simone Piva Journal: Front Med (Lausanne) Date: 2022-06-24