What Researchers Did
Researchers reported a case of cerebral arterial gas embolism and subsequent vestibular decompression sickness in a 33-year-old professional diver with a persistent foramen ovale.
What They Found
The diver experienced cerebral arterial gas embolism after a dive, which resolved with recompression on a Royal Navy Treatment Table 62. Six weeks later, he developed vestibular decompression sickness after another dive, requiring an extended RN TT62 and five additional hyperbaric oxygen treatments. A 4 mm persistent foramen ovale was subsequently diagnosed and successfully closed, allowing him to return to commercial diving a year later.
What This Means for Canadian Patients
This case highlights the importance of considering persistent foramen ovale in divers experiencing recurrent decompression sickness or arterial gas embolism. Canadian divers with similar symptoms should be evaluated for PFO to prevent future diving-related injuries and ensure safe diving practices.
Canadian Relevance
This study has no direct Canadian connection as it describes a case from Scotland.
Study Limitations
As a single case report, the findings cannot be generalized to a broader population of divers or used to establish prevalence rates.