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Prolonged sedation with sevoflurane in comparison to intravenous sedation in critically ill patients – A randomized controlled trial
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Prolonged sedation with sevoflurane in comparison to intravenous sedation in critically ill patients – A randomized controlled trial
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Journal Article
Prolonged sedation with sevoflurane in comparison to intravenous sedation in critically ill patients – A randomized controlled trial
2023
Overview
Volatile anesthetics are used more commonly for sedation in the intensive-care-unit (ICU). However, evidence for long-term use remains low. We therefore conducted a randomized-controlled trial comparing sevoflurane with intravenous sedation with particular focus on efficacy and safety.
In this prospective, randomized-controlled phase-IIb monocentric clinical-trial ICU patients requiring at least 48 h of sedation were randomized to receive sevoflurane (S) or propofol/midazolam (P). Sedation quality was monitored using the Richmond-Agitation-Sedation-Scale. Following termination of sedation, the time to spontaneous breathing and extubation, opioid consumption, hemodynamics, ICU and hospital length of stay (LOS) and adverse events were recorded.
79 patients were eligible to randomization. Sedation quality was comparable between sevoflurane (n = 39) and propofol (n = 40). However, the use of sevoflurane lead to a reduction in time to spontaneous breathing (26 min vs. 375 min, P < 0.001). Patients sedated with propofol had lower opioid requirements (remifentanil:400 μg/h vs. 500 μg/h, P = 0.007; sufentanil:40 μg/h vs. 30 μg/h, P = 0.007) while hemodynamics, LOS or the occurrence of adverse events did not differ.
ICU patients sedated with sevoflurane >48 h may return to spontaneous breathing faster, while the quality of sedation is comparable to a propofol-based sedation regime. Sevoflurane might be considered to be safe for long-term sedation in this patient population, while being non-inferior compared to propofol.
•Apart from intravenous sedation, volatile anesthetics are becoming more used in ICU.•Long term inhalative sedation of critically ill patients showed shorter weaning times.•Patients sedated with propofol had lower opioid requirements.•Hemodynamics, length of stay or the occurrence of adverse events did not differ.
