What Researchers Did
This case report described the varied outcomes of three young patients who experienced carbon monoxide poisoning and received hyperbaric oxygen therapy.
What They Found
The three patients, despite similar carboxyhemoglobin levels, had different initial serum lactate levels: 75.1 mg/dL, 41.9 mg/dL, and 26.3 mg/dL. All received 10 days of hyperbaric oxygen therapy. The patient with the highest lactate level (75.1 mg/dL) died, while the patient with moderate lactate (41.9 mg/dL) developed delayed encephalopathy but recovered after an additional 10-day HBOT. The patient with the lowest lactate (26.3 mg/dL) recovered completely without issues.
Canadian Relevance
This study was not conducted by Canadian authors or in Canada. However, it covers carbon monoxide poisoning, which is a Health Canada-recognised indication for hyperbaric oxygen therapy.
Study Limitations
As a case report involving only three patients, the findings may not be generalizable to all individuals with carbon monoxide poisoning.