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Year : 2022  |  Volume : 28  |  Issue : 1  |  Page : 45-51

Speech recognition, quality of hearing, and data logging statistics over time in adult cochlear implant users

Department of Otolaryngology, Head and Neck Surgery, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy

Correspondence Address:
Dr. Giulia Elvira Malzanni
Department of Otolaryngology, Head and Neck Surgery IRCCS San Raffaele Scientific Institute, Via Olgettina 60, Milan 20132
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/indianjotol.indianjotol_51_22

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Objective: The objective of this study was to examine improvement in speech recognition and “the Speech, Spatial and Qualities of Hearing Scale” (SSQ) scores in monolateral cochlear implant (CI) users and its correlations to data logging statistics. Materials and Methods: A prospective observational, nonrandomized, study was conducted analyzing speech tracking with shielded mouth in noise (SMn), speech audiometry, and SSQ questionnaire (Italian version) at 1, 3, and 6 months postactivation of CI of 31 patients. The overall data of average daily use and acoustic scene analyses were extracted from data logging system. Data of 6-month cumulative speech in quiet-, speech-in-noise-, and noise-listening time of 19 patients were correlated to speech perception scores and SSQ scores. Results: An improvement was observed in all outcomes (speech tracking with SMn, speech audiometry, and SSQ scores). Listeners used their device on for a mean time of 13.45 h per day. Quiet scene was the most represented listening environment. A significant positive correlation was found between noise exposition (in hours) and hearing quality score of SSQ and between exposition to 60–69 dB noise and scores resulted from each part of SSQ. Discussion: The analysis failed to demonstrate a correlation between auditory performances and both exposition to speech scene and total exposition. However, time spent in noise using the device correlated with SSQ scores. Conclusion: Cochlear implantation ensures good results in speech recognition and quality of life, with progressive scores' improvement after activation. A predominant use in quiet was observed together with a correlation between hearing performance and exposition to noise.

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