Bolus location at the initiation of the pharyngeal stage of swallowing in healthy older adults.

Dysphagia
Jennifer R StephenRuth E Martin

Abstract

This study characterized the vertical position of the bolus head at the onset of the pharyngeal swallow in healthy older adults. Lateral-view videofluoroscopic (VF) images were obtained from ten healthy volunteers (age-71.6 +/- 7.5 years, mean+/- SD) as they swallowed 5-cc thin liquid barium aliquots. For each swallow, the bolus head and several anatomic landmarks were digitally recorded from the image in which pharyngeal swallow-related hyoid bone elevation began. Vertical distance between the bolus head and the intersection of the tongue base and mandibular ramus (TMI) was computed. Bolus head position at swallow onset ranged from 47.4-mm above to 34.9-mm below the TMI (2.2 +/- 14.4-mm, mean +/- SD). Although the bolus head was below the level of the TMI for the majority of swallows, neither penetration nor aspiration occurred. For individual subjects, mean bolus head position ranged from 25.8 +/- 5.0-mm above to 15.5 +/- 6.5-mm below the TMI. Whereas five of ten subjects initiated the pharyngeal swallow with the bolus head consistently above or consistently below the TMI, five subjects initiated swallowing with the bolus head either above or below the TMI across trials. Older adults commonly initiate thin-liquid swallows wit...Continue Reading

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Citations

Mar 1, 2012·Dysphagia·Sonja M Molfenter, Catriona M Steele
Jan 10, 2014·Dysphagia·Helena Perrut VeigaEsther Mandelbaum Gonçalves Bianchini
Mar 5, 2013·Dysphagia·Ahmed NagyCatriona M Steele
Oct 23, 2008·Physical Medicine and Rehabilitation Clinics of North America·Koichiro Matsuo, Jeffrey B Palmer
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Feb 24, 2015·International Journal of Otolaryngology·Lara FerrisNathalie Rommel
Jul 28, 2012·Annals of Rehabilitation Medicine·Kwang Lae LeeSo Yeon Ahn
Feb 10, 2017·Head & Neck·Irene CalvoIanessa A Humbert
Mar 23, 2017·CoDAS·Maralice ZancanAna Maria Furkim
Jun 4, 2010·Arquivos De Gastroenterologia·Paula Cristina ColaMaria Aparecida Coelho de Arruda Henry
Sep 25, 2018·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·Isaac SiaTimothy McCulloch
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Nov 6, 2015·Journal of Speech, Language, and Hearing Research : JSLHR·Samantha E ShuneShawn S Goodman
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Oct 24, 2015·Dysphagia·Natalie ArgoloAna Caline Nóbrega
Aug 9, 2020·American Journal of Speech-language Pathology·Ankita M BhutadaKendrea L Focht Garand
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Feb 19, 2021·Dysphagia·Mozzanica FrancescoSchindler Antonio
Aug 11, 2021·Dysphagia·Ashwini M Namasivayam-MacDonaldLuis F Riquelme

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