OBJECTIVES: To evaluate the long-term audiometric outcomes, sound localization abilities, binaural benefits, and tinnitus assessment of subjects with cochlear implant (CI) after a diagnosis of unilateral severe-to-profound hearing loss. METHOD: The study group consisted of 60 (mean age 52 years, range 19-84) subjects with profound hearing loss in one ear and normal to near-normal hearing in the other ear who underwent CI. Data analysis included pre- and postoperative Consonant-Nucleus-Consonant (CNC) Word scores, AzBio Sentence scores, pure tone thresholds, sound localization, and Iowa Tinnitus Handicap Questionnaire scores. RESULTS: Preoperative average duration of deafness was 3.69 years (standard deviation 4.31), with an average follow-up time of 37.9 months (range 1-87). CNC and AzBio scores significantly improved (both P < 0.001) postoperatively among the entire cohort, and there was much heterogeneity in outcomes with respect to deafness etiology subgroup analysis. Sound localization abilities tended to improve longitudinally in the entire cohort. Binaural benefits using an adaptive Hearing in Noise Test test showed a significant (P < 0.001) improvement with head shadow effect. Utilizing the Iowa Tinnitus Handicap Questionnaire, there was significant improvement in social, physical, and emotional well-being (P = 0.011), along with hearing abilities (P = 0.001). CONCLUSIONS: This case series is the largest cohort of CI SSD subjects to date and systematically analyzes their functional outcomes. Subjects have meaningful improvement in word understanding, and sound localization tends to gradually improve over time. Binaural benefit analysis showed significant improvement with head shadow effect, which likely provides ease of listening. LEVEL OF EVIDENCE: 4 Laryngoscope, 130:1805-1811, 2020.
OBJECTIVES: To evaluate the long-term audiometric outcomes, sound localization abilities, binaural benefits, and tinnitus assessment of subjects with cochlear implant (CI) after a diagnosis of unilateral severe-to-profound hearing loss. METHOD: The study group consisted of 60 (mean age 52 years, range 19-84) subjects with profound hearing loss in one ear and normal to near-normal hearing in the other ear who underwent CI. Data analysis included pre- and postoperative Consonant-Nucleus-Consonant (CNC) Word scores, AzBio Sentence scores, pure tone thresholds, sound localization, and Iowa Tinnitus Handicap Questionnaire scores. RESULTS: Preoperative average duration of deafness was 3.69 years (standard deviation 4.31), with an average follow-up time of 37.9 months (range 1-87). CNC and AzBio scores significantly improved (both P < 0.001) postoperatively among the entire cohort, and there was much heterogeneity in outcomes with respect to deafness etiology subgroup analysis. Sound localization abilities tended to improve longitudinally in the entire cohort. Binaural benefits using an adaptive Hearing in Noise Test test showed a significant (P < 0.001) improvement with head shadow effect. Utilizing the Iowa Tinnitus Handicap Questionnaire, there was significant improvement in social, physical, and emotional well-being (P = 0.011), along with hearing abilities (P = 0.001). CONCLUSIONS: This case series is the largest cohort of CI SSD subjects to date and systematically analyzes their functional outcomes. Subjects have meaningful improvement in word understanding, and sound localization tends to gradually improve over time. Binaural benefit analysis showed significant improvement with head shadow effect, which likely provides ease of listening. LEVEL OF EVIDENCE: 4 Laryngoscope, 130:1805-1811, 2020.
Authors: Tobias Rader; Oliver Julian Waleka; Sebastian Strieth; Klaus Wolfgang Georg Eichhorn; Andrea Bohnert; Dimitrios Koutsimpelas; Christoph Matthias; Benjamin Philipp Ernst Journal: Eur Arch Otorhinolaryngol Date: 2022-07-06 Impact factor: 2.503
Authors: Tine Arras; An Boudewyns; Freya Swinnen; Andrzej Zarowski; Birgit Philips; Christian Desloovere; Jan Wouters; Astrid van Wieringen Journal: Sci Rep Date: 2022-06-07 Impact factor: 4.996
Authors: Alexander T Murr; Michael W Canfarotta; Brendan P O'Connell; Emily Buss; English R King; Andrea L Bucker; Sarah A Dillon; Meredith A Rooth; Matthew M Dedmon; Kevin D Brown; Margaret T Dillon Journal: Laryngoscope Date: 2021-05-27 Impact factor: 2.970
Authors: Anais Rameau; Robert Stephen Hong; Hamid Djalilian; Isaac David Erbele; Katie M Phillips; Robson Capasso; Austin S Rose; Michael Joel Brenner; Peter Luke Santa Maria Journal: OTO Open Date: 2020-06-02