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Related Experiment Videos

Ropivacaine-induced seizure after extradural anaesthesia

E I Abouleish1, M Elias, C Nelson

  • 1Department of Anesthesiology, Medical School, University of Texas Health Science Center-Houston, USA.

British Journal of Anaesthesia
|October 15, 1998
PubMed
Summary

Ropivacaine, a local anesthetic, can cause systemic toxicity, including seizures, even when administered at recommended doses. This case highlights that ropivacaine is not entirely free from adverse effects, contrary to some expectations.

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Area of Science:

  • Anesthesiology
  • Pharmacology
  • Clinical Toxicology

Background:

  • Ropivacaine is frequently considered a safer alternative to bupivacaine due to its lower systemic toxicity profile based on preclinical and clinical evidence.
  • The established safety profile suggests a reduced risk of severe adverse events, particularly central nervous system (CNS) and cardiovascular toxicity.

Observation:

  • A single seizure occurred following intravenous administration of 120 mg ropivacaine.
  • The patient was undergoing a postpartum tubal ligation procedure.
  • The only preceding symptom was nervousness, and the only cardiovascular sign was sinus tachycardia.

Findings:

  • This case demonstrates that ropivacaine, despite its favorable safety profile compared to bupivacaine, can still induce systemic toxicity.

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  • Central nervous system toxicity, manifesting as a seizure, was observed.
  • Cardiovascular effects were limited to sinus tachycardia, suggesting a potentially less severe systemic impact than with other local anesthetics.

    • Implications:

    • Clinicians should remain vigilant for potential systemic toxicity even when using ropivacaine.
    • The findings underscore the importance of careful patient monitoring during and after administration of local anesthetics.
    • Further research may be warranted to fully elucidate the dose-response relationship and risk factors for ropivacaine-induced toxicity.