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  • Title: [The impact of cochlear implant (CI) on the process of phonation and quality of life of patients with pre- and postlingual deafness].
    Author: Kosztyła-Hojna B, Moskal D.
    Journal: Pol Merkur Lekarski; 2012 Aug; 33(194):70-9. PubMed ID: 23009003.
    Abstract:
    UNLABELLED: Cochlear Implant (CI) is the most advanced method of treatment in receptive type of deafness and profound hearing loss. Good functioning auditory organ plays a significant role not only in auditory perception but also in the process of phonation, giving the possibility of good realization of the process of verbal communication. The aim of the study is to assess the quality of voice and life in adults with pre- and postlingual deafness treated using cochlear implant. MATERIAL AND METHODS: Twenty six patients with pre- (group I) and postlingual (group II) deafness deriving no benefit from hearing aids were included into the study. Voice quality was assessed using subjective and objective methods. The endoscopic (VLS) and stroboscopic (VLSS) examination of the larynx and the acoustic voice analysis were carried out. The quality of life was assessed using the Nijmegen Cochlear Implant Questionnaire (NCIQ). Examinations were conducted before implantation and 6 months after activation of speech processor. RESULTS: In the subjective and objective assessment of voice quality the improvement was registered in both groups. The effects were less spectacular in prelingual patients. In this group of patients the subjective assessment of voice quality and stroboscopic examination confirmed the hypofunctional type of dysphonia. In postlingual patients the hyperfunctional type of dysphonia was registered what was confirmed by the analysis of acoustic parameters of voice. The improvement of quality of life was observed in both groups of patients after implantation. CONCLUSIONS: The voice quality was improved after implantation in both analyzed groups. In patients with postlingual deafness values of parameters of voice quality assessment were closed to physiological. Results of the subjective assessment of voice quality were confirmed by objective examinations and the acoustic voice analysis. Rehabilitation with cochlear implant gave the opportunity for active participation in private and social life, improving the quality of life in patients with pre- and postlingual deafness.
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