Abstract
Objective
We aimed to evaluate the subjective satisfaction after incus vibroplasty and to determine predictive factors affecting patient satisfaction in sensorineural hearing loss.
Design
A retrospective review of audiological data and an additional survey about subjective satisfaction after surgery were performed in 14 patients who underwent incus vibroplasty surgery. A numeric rating scale reflecting the degree of satisfaction after incus vibroplasty, compared with experiences using a conventional hearing aid, was used. Patients who showed median or better satisfaction were deemed the highly satisfied (HS) group, and the others were deemed the less satisfied (LS) group. To find the predictive factors correlated with satisfaction for incus vibroplasty, comparative analysis between two groups was performed.
Results
We found that the numeric rating scale for satisfaction was variable, ranged from 0 to 10, and was negatively correlated with age at operation (p < 0.01). The HS group had a younger age (27.6 ± 22.2 years) and better preoperative air conduction threshold at 250 Hz (20.7 ± 7.9 dB) than the LS group (68.0 ± 9.7 years, 32.1 ± 10.7 dB). The LS group (13.6 ± 9.9 dB) showed a larger change of air–bone gap after surgery than the HS group (5.7 ± 6.7 dB) at 250 Hz (p = 0.12).
Conclusions
Age at operation and the preoperative air conduction threshold level at 250 Hz appear to be potential predictive factors for subjective satisfaction with incus vibroplasty. Furthermore, more conservative selection of candidates and caution during surgery, considering inevitable air–bone gap development postoperatively, may be necessary to achieve higher satisfaction for incus vibroplasty.
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