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[Clinical experience with atracurium--a continuous infusion technic].

P J Fourie1, M Versace, P A Lambert

  • 1Departement Anestesiologie, Universiteit van Pretoria.

South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde
|September 19, 1987
PubMed
Summary

Continuous infusion of atracurium provides stable neuromuscular blockade for surgery. Individual patient response varies, necessitating adjustments to the infusion rate, ideally guided by a peripheral nerve stimulator.

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Area of Science:

  • Anesthesiology
  • Pharmacology

Background:

  • Atracurium is a non-depolarizing neuromuscular blocking agent.
  • Maintaining stable neuromuscular blockade during lengthy surgeries can be challenging with intermittent dosing.

Purpose of the Study:

  • To investigate the efficacy and safety of a continuous infusion technique for atracurium.
  • To establish a starting infusion rate for atracurium and determine the need for individualized adjustments.

Main Methods:

  • Administered an initial bolus of atracurium (0.5 mg/kg).
  • Initiated a continuous infusion of atracurium at a mean rate of 0.008 mg/kg/min.
  • Monitored neuromuscular block, with recommendations for peripheral nerve stimulator use for titration.

Main Results:

Related Experiment Videos

  • The continuous infusion technique achieved a stable neuromuscular block.
  • Significant individual variability in patient response to atracurium was observed.
  • An arbitrary infusion rate based solely on patient mass is not feasible.

Conclusions:

  • Continuous atracurium infusion offers a viable alternative to repeated boluses for prolonged surgical procedures.
  • Individualized titration, preferably using a peripheral nerve stimulator, is crucial for optimizing atracurium infusion therapy.
  • The mean infusion rate of 0.008 mg/kg/min serves as a potential starting point for atracurium continuous infusion.