Stopped: Futility of enrollment.
The optimal treatment strategy with hyperbaric oxygen therapy has been the subject of some debate over the past 3 decades. Initial landmark studies showed a decrease in the incidence of DNS with a single treatment and also with three treatments over the course of 24 hours. These two strategies have continued to be used widely without further evidence comparing them in a direct fashion. Retrospective publications in the years since have been largely conflicting about the benefit of additional hyperbaric treatments. The investigators would seek to randomize patients with carbon monoxide poisoning to receive with 1 or 3 treatments with hyperbaric oxygen and measure their neurologic outcomes.
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Proportion of patients experiencing delayed neurologic sequalae
Timeframe: 6 weeks and 6 months