2016
DOI: 10.1016/j.bjorl.2015.11.005
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Abstract: Transient changes in acoustic parameters occur in children with adenotonsillar hypertrophy submitted to adenotonsillectomy, progressing to normalization in the 3rd postoperative month.

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Cited by 12 publications
(17 citation statements)
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References 9 publications
(17 reference statements)
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“…These findings support the hypothesis that adenotonsillectomy procedures are responsible for transient changes in the pattern of vocal emission, creating a temporary phonation instability that disappears throughout the postoperative period. Regarding evaluation of acoustic parameters after adenotonsillectomy, the present study revealed normalization of F0 normalized significantly at 1 st month after surgery, while the significant changes in Jitter and Shimmer were delayed to the 3 rd month with non-significant changes in HNR.In literature, there is a controversy in the dataof acoustic analysis after adenotonsillectomy in children, ranging from no improvement [1,9], minimal improvement [10], to improvement in all the acoustic parameters after adenotonsillectomy [2,11]. We found a significant normalization in F0 after surgery since 1 st month.…”
Section: Discussionmentioning
confidence: 47%
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“…These findings support the hypothesis that adenotonsillectomy procedures are responsible for transient changes in the pattern of vocal emission, creating a temporary phonation instability that disappears throughout the postoperative period. Regarding evaluation of acoustic parameters after adenotonsillectomy, the present study revealed normalization of F0 normalized significantly at 1 st month after surgery, while the significant changes in Jitter and Shimmer were delayed to the 3 rd month with non-significant changes in HNR.In literature, there is a controversy in the dataof acoustic analysis after adenotonsillectomy in children, ranging from no improvement [1,9], minimal improvement [10], to improvement in all the acoustic parameters after adenotonsillectomy [2,11]. We found a significant normalization in F0 after surgery since 1 st month.…”
Section: Discussionmentioning
confidence: 47%
“…The voice is basically a product of three physiological processes: a constant expiratory airflow controlled by chest muscles; production of glottal sound through vibration of the vocal folds, and a change in this sound with amplification and muffling of sound frequencies resulting from the action of pharyngeal, oral and nasal resonant structures (vocal tract) [1].…”
Section: Introductionmentioning
confidence: 99%
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“…After adenotonsillectomy, results indicated an increase in all speech parameters as in our study. Dimatos et al Similar changes in acoustic param-eters were observed in children undergoing postadenotonsillectomy and normalized in the third post-operative month (Dimatos et al, 2016). In a recent study, Hairston et al reported on parental concerns regarding tonsillectomy and about the importance of proper counseling of parents and further engaging them in making a proper decision on tonsillectomy for their child (Hairston et al, 2019).…”
Section: Resultsmentioning
confidence: 70%
“…However, after three months of observation, all parameters used to return to preoperative level. 5 Moreover, Subramaniam and Kumar studied the group of patients aged between 5 and 26 years who had a tonsillectomy and compared preoperative acoustic voice analysis data (F0, jitter, and shimmer) with the data obtained 1 month after surgery. No significant alterations in F0 and jitter postoperatively in patients older than 17 years of age were found; however, shimmer decreased significantly.…”
Section: Discussionmentioning
confidence: 99%