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Related Experiment Videos

Hyperbaric articaine for day-case spinal anaesthesia.

H Kallio1, E-V T Snäll, T Luode

  • 1Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Central Hospital Helsinki, Finland. helena.kallio@hus.fi

British Journal of Anaesthesia
|August 8, 2006
PubMed
Summary

Articaine at 60 and 84 mg provides effective spinal anesthesia for lower extremity surgery, with rapid recovery. Higher doses (108 mg) are not recommended due to adverse effects like hypotension and nausea.

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Area of Science:

  • Anesthesiology
  • Pharmacology

Background:

  • Articaine and lidocaine share clinical similarities, suggesting articaine's potential for ambulatory spinal anesthesia.
  • A dose-response study was conducted to evaluate articaine in day-case spinal anesthesia.

Purpose of the Study:

  • To determine the optimal dose of hyperbaric articaine hydrochloride for ambulatory spinal anesthesia.
  • To assess the efficacy and safety of different articaine doses for day-case surgery.

Main Methods:

  • A randomized, double-blind study involving 90 patients undergoing day-case surgery.
  • Patients received spinal anesthesia with 60 mg (A60), 84 mg (A84), or 108 mg (A108) of hyperbaric articaine hydrochloride.
  • Sensory and motor block levels were assessed, and patients were interviewed postoperatively.

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Main Results:

  • Articaine doses of 60 mg and 84 mg provided approximately 1 hour of surgical anesthesia for lower extremities.
  • The 108 mg dose resulted in more frequent and extensive cephalad spread, leading to hypotension, nausea, and delayed recovery.
  • Rapid recovery was observed with lower articaine doses, with discharge criteria met around 4.5 hours post-injection.

Conclusions:

  • Hyperbaric articaine at 60 mg and 84 mg is suitable for ambulatory spinal anesthesia, offering rapid recovery.
  • The 108 mg dose of articaine is not recommended due to significant adverse effects and prolonged block.
  • No drug-related sequelae were observed in any treatment group.