What Researchers Did
Researchers retrospectively reviewed the outcomes of nineteen patients treated with hyperbaric oxygen therapy (HBO2) for iatrogenic cerebral arterial gas embolism (CAGE) between 1987 and 1999.
What They Found
Immediately after hyperbaric oxygen therapy, 5 of 19 patients experienced complete resolution of symptoms, and 11 showed improvement. Within two months, an additional 3 patients fully recovered, and 6 more improved further. Patients with a venous source of CAGE consistently presented with pulmonary symptoms, with 8 out of 9 chest x-rays showing pulmonary edema.
What This Means for Canadian Patients
Canadian patients experiencing iatrogenic cerebral arterial gas embolism may benefit from hyperbaric oxygen therapy, with improvements potentially continuing for several months. Clinical suspicion, rather than imaging studies, should guide the diagnosis of this condition.
Canadian Relevance
This study has no direct Canadian connection.
Study Limitations
This study's retrospective design and small sample size of nineteen patients limit the generalizability of its findings.