ArticleOtolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery2026
How do Patient Comorbidities Influence Adult Cochlear Implant Outcomes?
Article in Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo evaluate the relationship between weighted comorbidity indices and post-cochlear implant (CI) speech recognition and patient-reported outcome measures (PROMs). STUDY
designRetrospective cohort.
settingTertiary Neurotology Center.
methodsAdults with bilateral hearing loss who received CIs from 2017 to 2022 were included. Comorbidities were extracted via chart review of anesthesia notes, medication lists, and clinical encounters. Three comorbidity scores were calculated: the Charlson Index (10-year mortality), Elixhauser Index (30-day hospital readmission), and a basic sum index assigning equal weight to 31 conditions. Spearman correlations evaluated bivariate associations. Multivariable linear regression was used to evaluate independent contributions of each index to CI outcomes, adjusting for clinical covariates. Early (1- or 3-month post-CI) and long-term (6- or 12-month post-CI) outcomes included Consonant-Nucleus-Consonant word recognition (CNC) and AzBio sentence recognition in quiet (AzBioQ), and PROMs.
results346 patients were included. The Charlson Index was negatively associated with both early and long-term speech recognition outcomes (CNC and AzBioQ; r
conclusionOur findings highlight the influence of cumulative comorbid disease burden on speech recognition performance and suggests a differential impact of individual comorbidities on CI outcomes.
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