Variation in temporal measures of swallowing

Sex and volume effects

Sonja Molfenter, Catriona M. Steele

Research output: Contribution to journalArticle

Abstract

Temporal measures of healthy swallowing appear to be variably sensitive to bolus and participant factors based on a recent meta-analysis of studies in the deglutition literature. In this carefully controlled study of healthy young volunteers, balanced for sex and height, we sought to understand the influence of bolus volume and participant sex on the three durations and three intervals most frequently reported in the deglutition literature. Three boluses per target volume (5, 10, and 20 ml) were repeated for each participant (n = 20, 10 male) using a spontaneous swallow paradigm in lateral view videofluoroscopy. None of the temporal durations or intervals was found to be correlated with participant height above an a priori cutoff point of r ≥ 0.3. Further, none of the temporal durations or intervals varied significantly by participant sex. Bolus volume significantly impacted upper esophageal sphincter (UES) opening duration, laryngeal closure duration, the laryngeal closure-to-UES opening interval, and the pharyngeal transit time interval, but not hyoid movement duration or the stage transition duration interval. When participants are sampled in such a manner as to represent the range of height reported to be typical for both sexes in the population, sex does not significantly influence temporal measures of swallowing.

Original languageEnglish (US)
Pages (from-to)226-233
Number of pages8
JournalDysphagia
Volume28
Issue number2
DOIs
StatePublished - Jun 2013

Fingerprint

Deglutition
Upper Esophageal Sphincter
Meta-Analysis
Healthy Volunteers
Population

Keywords

  • Deglutition
  • Deglutition disorders
  • Duration
  • Dysphagia
  • Height
  • Interval
  • Sex
  • Swallowing
  • Temporal
  • Volume

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Gastroenterology
  • Speech and Hearing

Cite this

Variation in temporal measures of swallowing : Sex and volume effects. / Molfenter, Sonja; Steele, Catriona M.

In: Dysphagia, Vol. 28, No. 2, 06.2013, p. 226-233.

Research output: Contribution to journalArticle

Molfenter, Sonja ; Steele, Catriona M. / Variation in temporal measures of swallowing : Sex and volume effects. In: Dysphagia. 2013 ; Vol. 28, No. 2. pp. 226-233.
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