What Researchers Did
Researchers applied a previously published scoring system to a database of UK diving accidents to see if it could predict the outcome for people with neurological decompression illness after recompression therapy.
What They Found
The median score for UK cases with severe lasting problems was 13, compared to 6 for cases with mild or no problems. A score above 7 had a 94% sensitivity for severe problems and a 99% negative predictive value for a successful outcome. However, its positive predictive value for severe problems was only 18%.
What This Means for Canadian Patients
This study suggests that a clinical scoring system could help predict the likelihood of severe lasting issues after treatment for neurological decompression illness. For Canadian divers, this could potentially help doctors identify patients who might need more intensive follow-up or different treatment strategies based on their initial score, though the system's predictive value for severe outcomes is low.
Canadian Relevance
This study covers decompression sickness, which is a Health Canada-recognized indication for hyperbaric oxygen therapy.
Study Limitations
This was a retrospective study, meaning it looked back at past data, and the scoring system needs to be tested in new patients in multiple centers to confirm its usefulness.