What Researchers Did
Researchers retrospectively analyzed the medical records of 44 divers (46 cases) treated for inner ear decompression illness or barotrauma between January 2002 and November 2005 to investigate symptoms and residual damage.
What They Found
Among 44 divers with acute inner ear disorders, 18 had decompression illness and 26 had barotrauma. For those with decompression illness, 17 out of 18 (94%) reported vertigo, and 15 out of 18 (83%) had a large right-to-left shunt, with 14 out of 18 (78%) showing residual cochleovestibular damage.
What This Means for Canadian Patients
Canadian divers experiencing inner ear symptoms like vertigo after diving should seek prompt medical evaluation, as residual damage is common and a right-to-left shunt may be present. Early diagnosis and appropriate treatment, such as hyperbaric oxygen therapy, are crucial for managing these diving-related injuries.
Canadian Relevance
This study has no direct Canadian connection, but its findings on inner ear diving accidents are relevant to divers and medical professionals in Canada.
Study Limitations
The retrospective nature of this case analysis limits the ability to establish causality and control for all variables.