What Researchers Did
Researchers conducted a retrospective review of 669 carbon monoxide (CO) poisoning patients admitted to a Taiwanese hospital from 2009 to 2014, analyzing factors that predicted poor outcomes.
What They Found
Glasgow Coma Scale score and blood urea nitrogen level were the strongest independent predictors of poor outcome. Patients requiring intubation for more than 1.5 days had significantly worse prognoses. The number of HBOT sessions showed a trend toward improved outcomes.
What This Means for Canadian Patients
CO poisoning is an OHIP-covered indication for HBOT in Ontario. This study reinforces that early HBOT, particularly in patients with altered consciousness or elevated BUN, may improve recovery. Canadian emergency physicians can use GCS and BUN levels to identify high-risk patients who most need HBOT.
Canadian Relevance
Carbon monoxide poisoning is an OHIP-covered indication for HBOT in Ontario.
Study Limitations
This was a retrospective study from a single Taiwanese hospital; healthcare systems and patient demographics differ from Canada.