Awareness of the preventability of surfer's ear was associated with greater use of water precautions. Further research should explore reasons for the low uptake of such precautions. Most surfers not already using ear plugs would consider doing so in the future.
This study was designed to determine the acceptance and effectiveness of a hearing aid in the management of children with persistent hearing loss due to glue ear (otitis media with effusion [OME]). Forty-eight children with OME, in whom the main symptom was deafness, were treated with a hearing aid instead of surgery and reviewed at 3-monthly intervals over 6-12 months. Seventy-one per cent reported unequivocal satisfaction with the aid. Sixty-five per cent used the aid continuously throughout the day whilst 35% used it only at specific times of need. Ninety-eight per cent noticed a definite improvement in their hearing whilst using the aid and this was confirmed audiometrically in 100%. Disability was considered in terms of speech development and educational achievement. In 66% there had been a subjective decline in these parameters prior to aid prescription. In all but one child significant improvement was made sufficient to alleviate parental and teachers' concern. No children reported significant symptoms due to OME other than deafness and there were no complications of hearing aid usage. At follow-up, however, 13% of children continued to use a hearing aid in an ear in which the OME had resolved. This study has shown that in this preselected group of children with persistent OME and the predominant symptom of deafness, a hearing aid was an effective treatment for their deafness with high acceptance and compliance.
External auditory canal exostoses may be a preventable disease, so it is surprising that the regular use of water precautions is not greater among surfers. One reason for this is the impairment of hearing whilst wearing earplugs. The objective of this study is to establish the hearing impairment of commonly available earplugs used by surfers. Staff and patients with normal hearing were recruited to have pure tone audiometry performed multiple times, initially with no earplugs, and subsequently with earplugs. Three earplug types were tested which differed in their nature and material (prefabricated elastomer, custom-fitted silicone, and custom-fitted acrylic). Vented and non-vented forms of the earplugs were tested. 30 normal hearing ears were included. Two-tailed paired t-tests comparing hearing thresholds between different earplugs identified that the elastomer earplugs caused the least hearing impairment (p < 0.001). There was no significant difference in hearing thresholds between vented and non-vented elastomer earplugs (p = 0.148), but the difference between vented and non-vented forms of other earplugs was statistically significant (silicone p = 0.010, acrylic p = 0.018). Prefabricated ear plugs produce less hearing impairment than other commonly available earplugs. A customised earplug made of hard material causes the greatest impairment of hearing. We therefore recommend that for aquatic sports where hearing is important, a soft prefabricated earplug is preferable.
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