The present study provides evidence that tinnitus and psychological comorbidity may play an important role in the rehabilitation of CI patients, and that there is a correlation between HRQoL and these parameters. In addition to hearing tests, tinnitus, stress, and psychological comorbidity should be assessed using validated questionnaires before and after CI. This will help to improve the rehabilitation process.
The present study provides evidence that cochlear implantation constitutes a very successful procedure of auditory rehabilitation, even for patients aged ≥70 years. In addition, elderly patients benefit from implantation, with increased quality of life and reduced tinnitus and stress.
Tinnitus is a common complaint in the candidates for cochlear implantation (CI). Tinnitus-related distress has often been measured in these patients using categorical ratings, which lack information about tinnitus severity, stress and health-related quality of life or their correlation. Here, using 4 validated questionnaires, we evaluated psychometric parameters and the quality of life of 32 postlingually deafened patients before and after CI. The data regarding pre-CI were collected retrospectively. Of all patients included in this study, 28 (87.5%) suffered from tinnitus before implantation. Following a mean of 24 months after surgery, these patients reported a significant decrease (39.2%) of tinnitus impairment, as measured by the Tinnitus Questionnaire. In none of the 28 patients has tinnitus worsened. Moreover, the 4 tinnitus-free patients remained so after the CI surgery. In addition, the implant supply resulted in 36.7% reduction in perceived stress and in 15.4% reduction in evasive coping. In addition, the focus on positive coping has improved by 12.3%, whereas the health-related quality of life improved by 53.4% in all patients. Tinnitus impairment and stress were reduced more strongly in patients who had initially higher scores. Interestingly, a significant correlation between the psychometric scores was found mainly after CI. Our results indicate that patients with higher tinnitus-related distress have a lower quality of life, lesser coping abilities and perceive more stress, but before implantation it is masked by deafness. We conclude that tinnitus-related screening of patients before and after CI is an important step in the identification of individuals who would benefit from specific fitting and/or tinnitus therapy after implantation.
Besides collecting medical and social history, special psychometric instruments should be used for the diagnosis of tinnitus patients. Based on relative high frequency of psychological comorbidity, we recommend interdisciplinary cooperation between otorhinolaryngologists and other specialists (psychosomatic medicine, psychology or psychiatry) during the treatment of tinnitus patients, especially when high degree of tinnitus annoyance is involved.
In the present study, we have detected a high rate (almost half of the cases) of psychological disorders occurring in patients with chronic tinnitus. The patients diagnosed with psychological disorders were predominantly affected by affective and anxiety disorders. Psychological disorders were associated with severity of tinnitus distress. Our findings imply a need for routine comprehensive screening of mental disorders in patients with chronic tinnitus.
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