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1.
Acta Otolaryngol ; 140(2): 122-127, 2020 Feb.
Article in English | MEDLINE | ID: mdl-31855100

ABSTRACT

Background: In clinical experience patients who do not frequently check the cochlear implant (CI) maps have poor auditory performance and poor acceptance of map variations over time.Aims: The aim of the present study was to evaluate the effect of CI map optimization on both speech perception and subjective hearing in a group of CI patients with a long-standing map.Material and methods: 14 patients (6 females and 8 males; age range 16-77, mean age 45.86 ± 23.85 years) fitted with a unilateral CI (Cochlear Ltd, Sydney, Australia) and a map unchanged for at least 12 months were evaluated. All CIs were remapped using mapping method with progressive adaptation. The speech discrimination in noise and subjective hearing perception (SSQ questionnaire) were evaluated with old and new map.Results: The differences in electrode level with old and new map were significantly different both for T and C- Levels (p < .001). Speech discrimination in noise was significantly better (22.9%; p < .0001) after map optimization. The SSQ questionnaire showed no statistically significant difference in the overall scores, except the listening effort sub-scale.Conclusions: Longstanding MAPs are associated with poor speech discrimination. Degradation of electrical stimulation is associated with increased mental effort.


Subject(s)
Algorithms , Cochlear Implants , Speech Perception , Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Young Adult
2.
Audiol Neurootol ; 19 Suppl 1: 10-14, 2014.
Article in English | MEDLINE | ID: mdl-25733360

ABSTRACT

Age-related hearing loss (ARHL) and dementia are two highly prevalent conditions in the adult population. Recent studies have suggested that hearing loss is independently associated with poorer cognitive functioning. The aim of this study was to evaluate the prevalence of ARHL and cognitive impairment in a large sample of subjects older than 65 years and to correlate hearing function with cognitive function. A total of 488 subjects older than 65 years (mean age 72.8 years) participating in the Great Age Study underwent a complete audiological, neurological and neuropsychological evaluation as part of a multidisciplinary assessment. The prevalence of a hearing loss greater than 25 dB HL was 64.1%, of Central Auditory Processing Disorder (CAPD) was 14.3 and 25.3% of the subjects reported a hearing handicap as reported on the Hearing Handicap Inventory for the Elderly Screening Version questionnaire. Multiple logistic regression analysis corrected for gender, age and education duration showed that mild cognitive impairment (MCI) was significantly associated with hearing impairment (CAPD and hearing threshold; odds ratio 1.6, p = 0.05) and that Alzheimer's disease (AD) was significantly associated with CAPD (odds ratio 4.2, p = 0.05). Given that up to 80% of patients affected by MCI convert to AD, adding auditory tests to a screening cognitive battery might have value in the early diagnosis of cognitive decline.


Subject(s)
Cognitive Dysfunction/epidemiology , Hearing Loss, Central/epidemiology , Aged , Cognition , Cognition Disorders/epidemiology , Cognition Disorders/psychology , Cognitive Dysfunction/psychology , Female , Hearing Loss/epidemiology , Hearing Loss/psychology , Hearing Loss, Central/psychology , Hearing Tests , Humans , Italy/epidemiology , Male , Prevalence , Prospective Studies
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