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Canadian Journal of Anesthesia, Vol 47, 1220-1223, Copyright © 2000 by Canadian Anesthesiologists' Society

ARTICLES

Chiari type I malformation and postoperative respiratory failure

DL Williams, H Umedaly, IL Martin and A Boulton
Department of Anesthesia, University of British Columbia, Vancouver, Canada.

PURPOSE: To present a case of respiratory failure following suboccipital craniectomy for Chiari type I malformation. CLINICAL FEATURES: A 22-yr-old man presented with a two year history of symptoms and signs suggestive of brainstem compression at the level of the foramen magnum. This was confirmed with magnetic resonance imaging. The procedure of suboccipital craniectomy, upper cervical laminectomy and fourth ventricle exploration was performed. Three hours postoperatively the patient experienced episodes of apnea and subsequently became drowsy. Blood gas analysis revealed hypercapnic respiratory failure. Chest X-ray revealed evidence of pulmonary aspiration. The trachea was re-intubated and the lungs ventilated in intensive care for 72 hr. He was discharged home two weeks postoperatively. CONCLUSION: Chiari type I malformation is associated with a number of associated anomalies. These patients are at considerable risk of respiratory depression and bulbar dysfunction in the perioperative period. The anesthetic issues are reviewed and discussed.


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G. R. Sellery
Intraoperative problem during surgery for Chiari malformation
Can J Anesth, July 1, 2001; 48(7): 718 - 718.
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