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Published on: January 17, 2011
Chiari type I malformation and postoperative respiratory failure
D L Williams1, H Umedaly, I L Martin
1Department of Anesthesia, University of British Columbia, Vancouver, Canada.
Canadian Journal of Anaesthesia = Journal Canadien D'Anesthesie
|January 2, 2001
Summary
Respiratory failure can occur after surgery for Chiari type I malformation. Patients undergoing suboccipital craniectomy require careful perioperative monitoring for potential breathing complications.
Area of Science:
- Neurosurgery
- Anesthesiology
- Critical Care Medicine
Background:
- Chiari type I malformation involves cerebellar tonsil herniation, potentially causing brainstem compression.
- Surgical decompression via suboccipital craniectomy is a standard treatment.
- Associated anomalies are common in patients with Chiari type I malformation.
Observation:
- A 22-year-old male presented with symptoms of brainstem compression.
- Magnetic resonance imaging confirmed Chiari type I malformation.
- Post-suboccipital craniectomy, the patient developed apnea and hypercapnic respiratory failure.
Findings:
- The patient experienced respiratory failure and pulmonary aspiration three hours postoperatively.
- Intensive care unit management with mechanical ventilation was required for 72 hours.
- The patient recovered and was discharged two weeks after surgery.
Implications:
- Patients with Chiari type I malformation are at significant risk for perioperative respiratory depression.
- Bulbar dysfunction is a potential complication requiring vigilant anesthetic management.
- This case highlights the importance of recognizing and managing respiratory complications after posterior fossa decompression.
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