Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/14/2025

Anesthetic Management for Syringomyelia

Preoperative Assessment and Optimization

  • The American Thoracic Society recommends obtaining pulmonary function tests, including FVC, MIP, MEP, and PCF, if there is cervical or high thoracic syrinx involvement that could compromise respiratory muscle function 1, 2.
  • The American College of Chest Physicians suggests performing cardiac evaluation to assess for any autonomic dysfunction-related cardiac abnormalities, as syringomyelia can affect autonomic pathways 1, 2.

Intraoperative Anesthetic Management

  • The American Society of Anesthesiologists recommends using total intravenous anesthesia (TIVA) with propofol and remifentanil as the primary anesthetic technique 4, 1, 2.
  • The American Heart Association advises against using succinylcholine due to risk of hyperkalemic cardiac arrest and rhabdomyolysis in patients with neuromuscular conditions 5, 1, 2, 4.

Hemodynamic and Physiologic Monitoring

  • The American College of Cardiology recommends monitoring SpO2 continuously with a target of ≥95% to prevent hypoxemia-related spinal cord ischemia 1, 2, 4, 3.
  • The American Heart Association suggests maintaining mean arterial pressure within 10-20% of baseline to ensure adequate spinal cord perfusion 3.

Postoperative Management

  • The American Thoracic Society recommends monitoring SpO2 continuously in the recovery room and for at least 24 hours postoperatively 10, 8, 4, 7.
  • The American Society of Anesthesiologists advises using supplemental oxygen cautiously, as excessive oxygen can mask hypoventilation 10, 8.

Level of Care

  • The American College of Critical Care Medicine recommends admitting to ICU or high-dependency unit for continuous monitoring, especially if the patient has significant baseline neurological deficits or underwent a high-risk procedure 1, 2, 4, 3.
  • The American Academy of Otolaryngology-Head and Neck Surgery suggests continuing monitoring for at least 24-48 hours as delayed respiratory or neurological complications can occur 10, 7.

REFERENCES

8

clinical practice guideline: polysomnography for sleep-disordered breathing prior to tonsillectomy in children. [LINK]

Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 2011