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Related Experiment Videos

Laryngospasm during subarachnoid block.

K Subramani1, A Paul

  • 1Department of Anaesthesia, Christian Medical College Hospital, Vellore, PIN-632004, North Arcot District, Tamilnadu, India. ksubramani9@hotmail.com

British Journal of Anaesthesia
|March 1, 2005
PubMed
Summary
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Central neuraxial block, like spinal anesthesia, can increase vagal tone. This case report details laryngospasm and stridor, a rare complication successfully treated with atropine and fluids, highlighting a novel manifestation of vagal overactivity.

Area of Science:

  • Anesthesiology
  • Cardiology
  • Critical Care Medicine

Background:

  • Central neuraxial blockades, including spinal anesthesia, are known to influence autonomic nervous system activity.
  • Increased vagal tone is a recognized physiological response to neuraxial anesthesia.
  • Potential complications of altered autonomic balance require thorough investigation.

Observation:

  • A patient undergoing spinal anesthesia developed acute laryngospasm and stridor.
  • These symptoms presented as a sudden and severe upper airway obstruction.
  • The event occurred during the surgical procedure under spinal blockade.

Findings:

  • The laryngospasm and stridor were successfully managed with intravenous atropine and fluid administration.
  • The clinical presentation suggests a direct link between spinal anesthesia and the observed airway event.

Related Experiment Videos

  • This case proposes laryngospasm as a previously unreported manifestation of increased vagal tone during spinal anesthesia.

    • Implications:

    • Increased vagal tone under spinal anesthesia may lead to rare but serious complications like laryngospasm.
    • Clinicians should consider autonomic dysregulation when patients exhibit airway symptoms during neuraxial blockade.
    • Further research is needed to elucidate the mechanisms and incidence of such vagal-mediated events.