What Researchers Did
Researchers reported on a 56-year-old man who suffered severe carbon monoxide poisoning after being exposed to fumes from a heater.
What They Found
The man was found unconscious with a Glasgow Coma Scale score of 5 and elevated cardiac and carboxyhaemoglobin levels. After regaining consciousness, a brain MRI showed damage in his left occipital lobe, which caused a loss of vision in his right temporal field. His vision improved by the follow-up session.
Canadian Relevance
This study covers carbon monoxide poisoning, which is a Health Canada-recognised indication for hyperbaric oxygen therapy. However, the study itself is not Canadian and does not mention HBOT as a treatment for this specific patient.
Study Limitations
As a case report, this study describes the experience of only one patient, so its findings may not apply to all individuals with carbon monoxide poisoning.