Idiopathic sudden sensorineural hearing loss and tinnitus: The role of hyperbaric oxygen therapy
DOI:
https://doi.org/10.34631/sporl.435Keywords:
Hyperbaric Oxygen Therapy, Idiopathic Sudden Sensorineural Hearing Loss, TinnitusAbstract
Introduction: The etiopathogenic mechanism of Idiopathic Sudden Sensorineural Hearing Loss (ISSHL) remain unclear. Vascular event or viral infection theories had been suggested. In any case, HBO provides a better cochlear oxygenation and cellular viability after acute lesion.
Material and methods: The authors present a retrospective study of the patients with ISSHL who started HBO in Pedro Hispano Hospital (2006-2011). The protocol included 20 sessions with 100% oxygen in hyperbaric chamber at 2,5 atm and for 90 minutes. For analysis we used software SPSS 17.0, with a 0,05 level of significance. We reviewed 347 cases.
Results: The average time from complaints until the beginning of HBO was 15,8 days. After failure with corticotherapy and the introduction with HBO we had a hearing recovery of 20 dB, using SRT (Speech Reception Threshold), and the intensity of tinnitus reduced 1,6 points on visual analog scale.
Conclusions: This study indicates a statistically significant improvement on audiometric recovery and intensity of tinnitus with use of HBO as salvage therapy.
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