Variability of duration of action of neuromuscular‐blocking drugs in elderly patients

Background:  Steroid‐based, non‐depolarizing neuromuscular‐blocking (NMB) drugs (e.g. rocuronium, vecuronium) are characterized by organ‐dependent elimination and significantly longer durations of action in elderly compared to young patients. Cisatracurium is a benzylisoquinolinium NMB drug with a duration of action not altered by ageing. The objective of the study was to determine if elderly patients had less variability in duration of action with 2 × ED95 of cisatracurium compared to equipotent doses of rocuronium or vecuronium.

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