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Partial seizure provoked by hyperbaric oxygen therapy: possible mechanisms and implications
Michael J Doherty1, Neil B Hampson
1Swedish Epilepsy Center, Virginia Mason Medical Center, Seattle, Washington 98122, USA. michael.doherty@swedish.org
Epilepsia
|June 11, 2005
Summary
Hyperbaric oxygen therapy (HBO2) may treat brain radiation necrosis but carries seizure risks. A patient with brain radiation necrosis experienced a partial seizure during HBO2 treatment, highlighting potential complications.
Area of Science:
- Neurology
- Oncology
- Hyperbaric Medicine
Background:
- Radiation necrosis is a common complication after brain irradiation.
- Hyperbaric oxygen therapy (HBO2) is a recognized treatment for soft-tissue and bone radiation necrosis.
- The efficacy and safety of HBO2 for brain radiation necrosis remain under investigation.
Observation:
- A patient with anaplastic astrocytoma underwent surgical resection and received 5,580 cGy of external-beam radiation.
- Following radiation, the patient developed brain radiation necrosis.
- The patient then underwent hyperbaric oxygen (HBO2) therapy for the condition.
Findings:
- During HBO2 therapy, the patient experienced a partial seizure.
- This is a known, albeit rare, risk associated with hyperbaric oxygen treatment.
- The seizure occurred in the context of treating brain radiation necrosis.
Implications:
- This case highlights a potential adverse event of HBO2 in brain radiation necrosis patients.
- Further research is needed to understand the mechanisms and risk factors for seizures during HBO2 for CNS radiation injury.
- Careful patient selection and monitoring are crucial when considering HBO2 for brain radiation necrosis.