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Anaesthesia for the achondroplastic dwarf.

J F Mayhew, J Katz, M Miner

    Canadian Anaesthetists' Society Journal
    |March 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

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    Anesthesia in achondroplastic dwarfism patients undergoing craniectomy poses risks, especially in the sitting position. Venous air embolism (VAE) and other serious complications were noted, necessitating careful precautions.

    Area of Science:

    • Anesthesiology
    • Neurosurgery
    • Pediatric Orthopedics

    Background:

    • Achondroplastic dwarfism presents unique challenges for anesthesia and surgery.
    • Craniectomy for foramen magnum stenosis is a common procedure in these patients.

    Purpose of the Study:

    • To analyze anesthetic complications in achondroplastic dwarfism patients undergoing craniectomy.
    • To identify risk factors and provide recommendations for safer anesthetic management.

    Main Methods:

    • Retrospective review of 36 anesthetics in 27 patients with achondroplastic dwarfism.
    • Analysis of complications related to surgical position, patient age, and anesthetic techniques.

    Main Results:

    • Nine incidents of venous air embolism (VAE) occurred in 16 surgeries in the sitting position, exclusively in patients under 12.

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  • Six major complications included spinal cord infarctions and brachial plexus palsies.
  • Endotracheal tube size was best predicted by weight, not age.
  • Blood loss was higher in the prone position compared to the sitting position.

    • Conclusions:

    • The sitting position during craniectomy increases the risk of serious complications like VAE in pediatric achondroplastic dwarfism patients.
    • Careful anesthetic planning and precautions are crucial to mitigate these risks.