What Researchers Did
Researchers retrospectively analyzed medical records of 99 divers with inner ear decompression sickness (IEDCS) to identify factors predicting poor clinical recovery and develop a prognostic score.
What They Found
Of 99 divers with IEDCS, 24% experienced residual symptoms at 3 months. A high initial clinical score (OR=1.39) and a delay in hyperbaric recompression exceeding 6 hours (OR=1.001) were independently linked to incomplete recovery. The clinical score demonstrated 92% specificity for predicting poor outcomes.
What This Means for Canadian Patients
Canadian divers experiencing inner ear decompression sickness should seek immediate medical attention, as delays in recompression treatment beyond 6 hours can significantly worsen recovery outcomes. An initial clinical severity score can help predict the likelihood of residual symptoms, guiding early management and patient expectations.
Canadian Relevance
This study has no direct Canadian connection as it was conducted in a single facility outside of Canada.
Study Limitations
A limitation of this study is its retrospective design and reliance on data from a single treatment facility.