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Wheeless' Textbook of Orthopaedics

Anesthesic Considerations for Spine Patients



- Pre-anesthetic Considerations:
    - in spine injured patients, anesthesia is necessary even if the extremity is
          insensate inorder to prevent spasm and automatic dysreflexia;
          - need to monitor for automatic dysreflexia (spinal anesthesia preferred);
    - be aware that acture high paraplegics, because of generalized venous dilation,
          may require larger than usual volumes of fluids to maintain adequate blood pressure;
          - consider Swan Ganz monitoring;
    - be aware that chronic SCI pts have low intravascular volumes and are
          usually sensitive to further losses of volume;
    - wrap the lower extremity to prevent blood loss;
    - protect pts in the prone position with bilateral rolls from increased

- Technical Pearls:
    - carry out awake, fiberoptic intubation w/o moving neck;
    - No Sellick Maneuver !
    - although use of succinylcholine is contraindicated several days after
          denervation injury, there is no evidence of muscle membrane
          instability in the first few hours;

- Post Op Considerations:
    - 5% of myelopathic patients who undergo anterior C-spine surgery will require
          re-intubation;
          - risk is increased by surgery on multiple levels;
          - risk is decreased by fibro-optic intubation and by keeping the head
                  of the bed elevated to 30-40 deg postoperative (to reduce edema);






Original Text by Clifford R. Wheeless, III, MD.