Changes in Hearing Threshold and Tinnitus Severity after Stapes Surgery: Which Is More Important to the Patient's Quality of Life?

Changes in Hearing Threshold and Tinnitus Severity after Stapes Surgery: Which Is More Important to the Patient’s Quality of Life?

ORL J Otorhinolaryngol Relat Spec. 2019 Jul 17;:1-10

Authors: Dziendziel B, Skarzynski H, Gos E, Skarzynski PH

BACKGROUND: Stapes surgery is a common method of treatment of otosclerosis, and its effectiveness is reported based on audiometric hearing thresholds. Audiometric tests do not gauge the impact of tinnitus severity and auditory function on quality of life (QOL) after stapes surgery.
OBJECTIVE: To measure self-assessed QOL in otosclerosis patients after stapedotomy in terms of three major factors: change in audiometric hearing threshold, subjective hearing benefit, and tinnitus severity.
METHOD: This prospective clinical study included 191 patients who underwent stapedotomy between April and October 2017 due to otosclerosis. All patients were tested by pure tone audiometry and filled in a questionnaire before surgery and 6 months afterwards. Subjective hearing was assessed with the Abbreviated Profile for Hearing Aid Benefit (APHAB); tinnitus severity was established using the Tinnitus Functional Index (TFI), and the QOL was measured by the Glasgow Benefit Inventory (GBI).
RESULTS: Statistical analysis showed that the average GBI total score (mean = 33.7; SD = 23.7) was statistically significantly higher than zero (t = 19.7; p < 0.001). Based on a regression model, all the three variables studied – audiometric hearing thresholds change, APHAB change, and TFI change – had a significant effect on QOL after stapedotomy. Interestingly, the highest beta value (b = 0.040; p < 0.001) was for TFI change, implying that TFI change had the greatest effect on QOL.
CONCLUSION: Although the improvement of QOL after stapes surgery undoubtedly depended on improvement in both audiometric and self-reported hearing, the reduction of tinnitus severity had the greatest impact on increase in QOL.

PMID: 31315120 [PubMed – as supplied by publisher]

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