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Vol. 37. Issue 2.
Pages 70-74 (April - June 2017)
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Vol. 37. Issue 2.
Pages 70-74 (April - June 2017)
Original article
Neck auscultation using acoustic analysis to determine the time and the sounds of swallowing mechanics
Auscultación cervical a través del análisis acústico para determinar el tiempo y los sonidos de la mecánica deglutoria
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William Armando Álvarez Anaya
Docente Investigador, Universidad Manuela Beltrán, Bucaramanga, Santander, Colombia
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Tables (2)
Table 1. General characteristics of the study population and sociodemographic characteristics.
Table 2. Average time swallowing by age and gender (standard deviation).
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Abstract
Introduction

Although neck auscultation is a subjective diagnostic method that can identify the sounds and mechanical disruptions of swallowing, the acoustic analysis provides greater objectivity as it makes these sounds visible and the physiology of swallowing can clearly be seen.

Objective

To determine the time and the sounds of swallowing in people 20–50 years of age in the city of Bucaramanga, Colombia.

Materials and methods

A quantitative descriptive study that included the swallowing process of 306 participants. These were recorded by acoustic analysis using a computer application and neck auscultation to determine the sounds and time whilst food passed from the mouth to the esophagus.

Results

Of the 306 participants, 50.9% were between 20 and 31 years, and 57.5% were women between 20 and 50 years. The mean swallowing time in this study was .387s (compared to a mean of .5s in studies in other countries), with 16.3% taking between 0225 and 0281s.

Conclusions

Identifying the sounds of swallowing using acoustic analysis improves the therapeutic processes performed by audiologists in patients with dysphagia.

Keywords:
Acoustics
Dysphagia
Intervention
Physiology
Software
Speech therapy
Swallowing
Resumen
Introducción

La auscultación cervical es un método subjetivo para el diagnóstico que permite identificar los sonidos y las rupturas de la mecánica deglutoria, pero el análisis acústico brinda mayor objetividad, dado que hace visibles estos sonidos y permite apreciar con mayor claridad la fisiología de la deglución.

Objetivo

Determinar el tiempo y los sonidos propios de la deglución en personas de 20 a 50años de edad de la ciudad de Bucaramanga.

Materiales y métodos

Se realizó un estudio descriptivo cuantitativo en donde se grabó el proceso deglutorio de 306 participantes a través de un software de análisis acústico y la auscultación cervical para determinar los sonidos y el tiempo que tarda el alimento en pasar de la boca al esófago.

Resultados

De los 306 participantes, el 57.5% son mujeres de entre 20 y 50años, el 50.9% están entre los 20 y 31años y el 16.3% tarda entre 0.225-0.281segundos en deglutir, siendo el promedio deglutorio de 0.387 segundos según esta investigación. Investigaciones realizadas en otros países habrían determinado el promedio en 0.5 segundos.

Conclusiones

La identificación de los sonidos propios de la deglución a través del análisis acústico permite mejorar los procesos terapéuticos realizados por los fonoaudiólogos en pacientes con disfagia.

Palabras clave:
Acústica
Disfagia
Intervención
Fisiología
Software
Fonoaudiología
Deglución

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