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Effect of Adenotonsillectomy on Spectral and Acoustic Characteristics

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Indian Journal of Otolaryngology and Head & Neck Surgery Aims and scope Submit manuscript

Abstract

Acoustic analysis and perceptual analysis has been extensively used to assess the speech and voice among individual with voice disorders. These methods provide objective, quantitative and precise information on the speech and voice characteristics in any given disorder and help in monitoring any recovery, deterioration, or improvement in an individual’s speech and also differentiate between normal and abnormal speech and voice characteristics. The present study was carried out to investigate the spectral characteristics (formant frequency parameters and formant centralization ratios) and voice characteristics (Acoustic parameters of voice) changes in individuals following adenotonsillectomy. A total of 34 participants participated in the study with a history of adenotonsillar hypertrophy. Spectral and acoustic voice parameters were analyzed across the three-time domains, before surgery (T0), 30 days (T1), and 90 days (T2) after surgery. Data was analyzed statistically using the SPSS software version-28.0.0.0. Descriptive statistics were used to find the mean and standard deviation. Repeated measures of ANOVA were used to compare the pre and post-experimental measures for spectral and acoustic, voice parameters. The derived parameter of acoustic vowel space (formant centralization ratio 3) was compared across three conditions timelines. The results revealed that acoustic vowel space measure and formant frequency measures were significantly increased in pre and post-operative conditions across the three timelines. A significant difference was obtained across the acoustic parameters across the time domains. Adenotonsillectomy has been proved to be an efficient surgical procedure in treating children with chronic adenotonsillitis. The results obtained have indicated an overall improvement in the spectral and acoustic voice parameters thereby highlighting the need for adenotonsillectomy at the right time and at the right age.

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Data Availability Statement

The data used to support the findings of this study are available from the corresponding author upon request.

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Acknowledgements

We thank our study participants for their immense cooperation during the entire process.

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This Manuscript did not receive any funding.

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Authors and Affiliations

  1. Department Otorhinolaryngologyogy, Yenepoya Medical College Hospital, Yenepoya Deemed to be University, Deralakatte, Mangalore, Karnataka, 575018, India

    Mohammed Jasim & V. G. Nayana

  2. Department of Audiology and Speech-Language Pathology, Yenepoya Medical College Hospital (YMCH), Yenepoya Deemed to be University, Deralakatte, Mangalore, Karnataka, 575018, India

    Hemaraja Nayaka & Priyanka Suresh Nayak

Authors
  1. Mohammed Jasim
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  2. V. G. Nayana
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  3. Hemaraja Nayaka
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  4. Priyanka Suresh Nayak
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Contributions

All the authors have equally contributed in this study fulfilling the Criteria for authorship (Data collection, analysis, interpretation, writing the article and peer reviewing it before the submission process).

Corresponding author

Correspondence to Priyanka Suresh Nayak.

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The authors declare that they have no conflicts of interest to declare.

Ethical approval

This study protocol was reviewed and approved by the Institutional Ethics Committee under tenets of the Declaration of Helsinki Asper National Ethical Guidelines for Biomedical Research involving human participants of the Indian Council of Medical Research (ICMR), 2017.

Consent to Participate Statement

The participants and their parents were informed about the goal, procedure and the post therapy outcome along with disclosure of the results and an informed assent form was signed by the parents.

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Jasim, M., Nayana, V.G., Nayaka, H. et al. Effect of Adenotonsillectomy on Spectral and Acoustic Characteristics. Indian J Otolaryngol Head Neck Surg 75, 3467–3475 (2023). https://doi.org/10.1007/s12070-023-03967-z

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