What Researchers Did
This prospective observational study compared the development of delayed neuropsychiatric sequelae in carbon monoxide poisoning patients receiving 3 versus more than 3 sessions of hyperbaric oxygen therapy.
What They Found
Among 183 analyzed patients with acute CO poisoning, the overall rate of delayed neuropsychiatric sequelae (DNS) development was 17.5%. Initially, the group receiving more than 3 HBO sessions showed a higher incidence of DNS (36.3%) compared to the 3 HBO session group (16.3%). However, after propensity score-matching, the incidences of DNS were similar between the groups (31.3% vs. 28.1%, respectively).
What This Means for Canadian Patients
Canadian patients with carbon monoxide poisoning may not benefit from more than three hyperbaric oxygen therapy sessions in terms of preventing delayed neuropsychiatric sequelae. This suggests that current treatment protocols should be reviewed to optimize the number of sessions, potentially reducing treatment burden without compromising outcomes.
Canadian Relevance
This study has no direct Canadian connection as it was not conducted in Canada or by Canadian researchers.
Study Limitations
This observational study's findings are limited by its design, which may not fully account for all confounding factors influencing treatment outcomes and patient selection.