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Anaesthetic drugs act at sites within the brain that undergo profound changes during typical ageing. We postulated that anaesthesia-induced brain dynamics observed in the EEG change with age. ⋯ These profound age-related changes in the EEG are consistent with known neurobiological and neuroanatomical changes that occur during typical ageing. Commercial EEG-based depth-of-anaesthesia indices do not account for age and are therefore likely to be inaccurate in elderly patients. In contrast, monitoring the unprocessed EEG and its spectrogram can account for age and individual patient characteristics.
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Anesthesia and analgesia · May 2014
Randomized Controlled Trial Multicenter StudyA pilot study for a prospective, randomized, double-blind trial of the influence of anesthetic depth on long-term outcome.
Greater depth of anaesthesia may be associated with a higher incidence of wound infection, mortality and composite risk of complications.
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Journal of anesthesia · Oct 2011
Randomized Controlled Trial Multicenter StudyAdjuvant dexamethasone with bupivacaine prolongs the duration of interscalene block: a prospective randomized trial.
Dexamethasone added to bupivacaine significantly prolongs the duration of interscalene analgesia and motor blockade.
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