What Researchers Did
Researchers presented a case report of a 78-year-old female with radiation-induced optic neuropathy (RON) who received two courses of hyperbaric oxygen (HBO2) therapy without corticosteroids.
What They Found
The patient's visual acuity subjectively and functionally improved during her first course of 30 HBO2 treatments and again during a second course of 40 treatments, but symptoms subsequently deteriorated after each course. Post-treatment MRI showed resolution of previously visible optic nerve contrast enhancement, marking this as the 27th reported case of RON treated with HBO2 and the first with radiologic and transient symptomatic improvement without concomitant steroid use.
What This Means for Canadian Patients
This case suggests that hyperbaric oxygen therapy might offer transient symptomatic and radiologic improvement for radiation-induced optic neuropathy. However, patients should be aware that any benefits observed may not be sustained, and more robust studies are needed to confirm efficacy.
Canadian Relevance
This study has no direct Canadian connection.
Study Limitations
As a single case report, the findings are anecdotal and cannot be generalized to a broader patient population or establish definitive treatment efficacy.