AI Article Synopsis
- Bone-anchored implantable hearing devices are popular for treating certain hearing loss types, but traditional systems have over 20% complication rates due to their abutments.
- A recent study reviewed five patients who received the new Sophono Alpha 1, an abutment-free bone conduction hearing system, focusing on their audiometric outcomes before and after surgery.
- Results show significant improvements in hearing, with average enhancements of 32 dB in pure-tone averages and 28 dB in speech response thresholds, indicating that patients moved into the normal to mild hearing loss range post-activation.
Article Abstract
Objectives: Bone-anchored implantable hearing devices are widely accepted as a surgical option for certain types of hearing loss in both adults and children. Most commercially available devices involve a percutaneous abutment to which a sound processor attaches. The rate of complications with such bone conduction systems is greater than 20%. Most complications arise from the abutment. Recently, the Sophono (Boulder, CO) Alpha 1, an abutment-free system, has been introduced.
Study Design And Methods: We conducted a retrospective chart review of the first five patients who underwent implantation with the Sophono abutment-free bone conduction hearing system with the Alpha 1 processor at our institution and report here on these patients' pre- and postoperative audiometric data and clinical courses.
Results: Average improvement in pure-tone average was 32dB hearing loss and average improvement in speech response threshold was 28dB hearing loss. All patients were responding in the normal to mild hearing loss range in the operated ear after device activation. Average improvement across individual frequencies was between 17 and 37dB (SD 5.5-11dB).
Conclusion: Our audiometric results to date are promising and have been consistent with published data on other bone-anchored hearing devices.
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| http://dx.doi.org/10.1016/j.ijporl.2014.02.004 | DOI Listing |
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