Single-Sided Deafness and Cochlear Implant Utilization: Are Traditional Speech Performance Factors Associated With...

Area of Science:

• Audiology
• Otorhinolaryngology
• Biomedical Engineering

Background:

• Single-sided deafness (SSD) presents unique challenges for auditory rehabilitation.
• Cochlear implantation (CI) is an established treatment for SSD, but utilization patterns require characterization.
• Understanding predictors of CI use is crucial for optimizing patient outcomes.

Purpose of the Study:

• To characterize cochlear implant (CI) utilization in adults with single-sided deafness (SSD).
• To identify clinical predictors associated with CI device usage in this population.

Main Methods:

• Retrospective cohort study involving adults with SSD undergoing cochlear implantation.
• Datalogging was used to quantify CI usage (hours/day) and categorize users (full-time, partial, limited, nonuse).
• Analysis included traditional CI factors and patient demographics to identify usage predictors.

Main Results:

• Of 70 patients with follow-up, 47.1% were full-time CI users, 38.5% partial, 11.4% limited, and 2.8% nonusers.
• Early CI usage patterns (1 month) strongly predicted final 12-month usage.
• Younger age was associated with partial/limited CI use, while traditional factors showed no association.

Conclusions:

• Cochlear implantation is a meaningful treatment for SSD, with over 80% demonstrating regular device use.
• Device utilization is established early and sustained, independent of traditional audiometric or speech metrics.
• Younger patients may require targeted support to optimize long-term CI engagement.