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Scientific Papers Session I: Pediatrics & Geriatrics

 Thursday, March 7 ,2019

8:00-9:30 a.m.

 Moderators:

Joan Arvedson, PhD, CCC-SLP, BCS-S


 

Light Video as a Means of Swallow Identification in Pre-Term and Term Infants

Emily Catchpole

Video fluoroscopy is the best way to evaluate swallowing, however, it is contraindicated in pre-term infants because of associated health risks. Identifying swallows from light videos has been proposed as a safer alternative, but poor swallowing coordination of pre-term infants relative to term infants may compromise this. We tested the validity of swallow identification from light camera data compared to video fluoroscopy in pre-term and term infant pigs.

 

Physiological Compensation for Advanced Bolus Location at Swallow Onset in Healthy Seniors

Erica Herzberg

Delayed initiation of the pharyngeal swallow has been repeatedly reported in aging populations. While a lower bolus location at swallow onset (BLSO) raises concern for the possibility of bolus being adjacent to an open airway, and is often cited clinically as a cause of aspiration, advanced BLSO alone is not correlated with increased safety risk (Stephen et al, 2005; Martin-Harris et al, 2007). Our primary goal was to examine whether healthy seniors systematically alter their laryngeal vestibule closure reaction time (LVCrt) to maintain a safe swallow in the context of advanced BLSO. The secondary goal was to determine if longer LVCrt distinguished penetration-aspiration scale (PAS) scores of 1 versus 2.

 

A Systematic Review of Physiological Changes in Swallowing in the Oldest Old

Marie Jardine

Age-related swallowing changes are well-researched in deglutology, usually distinguishing those over 60yr old as aged. Further research into normal swallowing changes in the ‘oldest old’ is needed. This systematic review was conducted to collate and critically appraise studies that have investigated swallowing changes in adults 85+yrs old using instrumental assessment.

 

The Impact of Neurologic Injury on Gastroesophageal Reflux Phenotypes Via pH-multichannel Intraluminal Impedance in Premature Infants

Preceous Jensen

Esophageal manometry studies have shown that the lower esophageal sphincter of infants with neurological injury (NI) have negative pressure, prolonged nadir pressure, and relaxes sooner compared to neurologically normal (NN) infants. The impact of NI on pH-multichannel intraluminal impedance (pH-MII) characteristics of premature infants is unknown.

 

The Maturation of Coordination of Respiration and Swallowing in Preterm Infants

Christopher Mayerl

The ability to coordinate feeding and breathing is critical to survival, yet preterm infant mammals typically struggle to coordinate these behaviors, in part due to an immature nervous system. Increased neuroplasticity in these infants suggests that they may overcome problems coordinating breathing and swallowing as they mature. We hypothesize that preterm infants will follow an accelerated maturation of aerodigestive coordination relative to term infants.

 

 

Changes in Infant Suck Function Throughout a Suck Sample

Emily Zimmerman

The goal of this study was to compare how infants’ suck changes throughout a suck sample.

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