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Audiology - Communication Research

versão On-line ISSN 2317-6431

Resumo

SALES, André Vinicius Marcondes Natel et al. Quantitative analysis of oral and pharyngeal transit time in genetic syndromes. Audiol., Commun. Res. [online]. 2015, vol.20, n.2, pp.146-151. ISSN 2317-6431.  https://doi.org/10.1590/S2317-64312015000200001562.

Purpose

To measure the oral and pharyngeal transit time (OTT and PTT) in genetic syndromes.

Methods

Fourteen subjects, ranging in age from 4 months to 7 years, with different genetic diagnoses confirmed by clinical or laboratory examinations participated in this study. Real-time videofluoroscopic swallow study, and oral and pharyngeal transit times were analyzed using a specialized software. Descriptive and inferential statistical analyses were used.

Results

In the OTT analysis performed with liquid, of the 11 individuals evaluated, seven had normal OTT with an average of 0.75 s and four had altered OTT averaging 5.42 s. When swallowing a puree, four subjects showed normal OTT averaging 1.12 s and eight had altered OTT averaging 9.54 s. From the analysis of the PTT with liquid, seven had normal values averaging 0.68 s and four had altered PTT averaging 3.74 s. When swallowing a puree, four subjects had normal PTT averaging 0.75 s and eight had abnormal values averaging 3.98 s.

Conclusion

The oral and pharyngeal transit times may be normal or altered in the studied genetic syndromes. In this study, we found significant differences in transit times only in liquid consistency.

Palavras-chave : Deglutition disorders; Quantitative analysis; Genetics; Deglutition; Evaluation.

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