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Scientific Papers Session VI: Evaluation of Swallowing Disorders

 Friday, March 8 ,2019

10:30 a.m.-12:00 p.m.

 Moderator:

Heather Bonilha, PhD, CCC-SLP


 

Use of the Penetration-Aspiration Scale in Dysphagia Research: A Historical Review

James Borders

The penetration-aspiration scale (PAS) is an 8-point scale used to characterize depth of airway invasion during videofluoroscopy (VF; Rosenbek et al., 1996). Though widely used and considered an industry-standard in the field of deglutition, statistical treatment of the PAS is not uniform across studies. Recently, Steele and Grace-Martin (2017) discussed common statistical issues and suggested a categorical, physiology-based version of the PAS. To guide education and use of valid PAS analysis, there is a need to first understand how the PAS is currently used. The purpose of this historical review was to examine trends in the statistical use of the PAS since its inception. Secondary aims were to assess variations in categorization methods and geography.

 

Swallowing Biomechanical Analysis Following Lingual Strengthening Therapy in Patients with Post-Stroke Dysphagia

Sarah Daggett

Dysphagia affects up to 76% of acute post-stroke patients. Lingual strengthening therapy is a potential treatment modality, but the effects on the biomechanics of pharyngeal swallowing are not well understood. Using Computational Analysis of Swallowing Mechanics (CASM) with videofluoroscopic swallow study (VFSS) images, our purpose was to assess the biomechanical changes of swallowing-related structures following device-facilitated lingual strengthening as compared to usual care in a group of patients with post-stroke dysphagia.

 

Relationships Between Maternal Stress Indices and Feeding and Growth in Infants Within Infants With and Without Cleft Lip and/or Palate

Lauren Madhoun

Feeding and growth difficulties are common in infants with cleft lip and/or palate (CL/P). Feeding interventions are often needed to ensure adequate nutrition and growth. Maternal stress and postpartum depression may also increase a child’s risk of failure to thrive. This cross-sectional study examined interrelationships between maternal traits (stress, depression) and outcomes (feeding, growth) of infants with and without CL/P.

 

Internal Validation of the Physiologic Risk Index for Swallowing Impairment (PRISIM)

Emily Plowman

This research was intended to identify simple clinical physiologic markers to reliably detect swallowing impairment in ALS as well as develop a clinically feasible and predictive model of dysphagia risk for implementation in ALS clinics (Physiologic Risk Index of Swallowing Impairment, PRISIM)

 

Characterizing the Physiology of Swallowing Following Spinal Cord Injury

Teresa Valenzano

Dysphagia is an expected complication following spinal cord injury (SCI), with one cause being vagal nerve damage during surgical intervention. The purpose of this study was to characterize swallowing physiology in individuals with SCI during subacute rehabilitation. We explored differences in timing and kinematic measures of swallowing.

 

Development of a Tongue-Strength Fatigue-Test: Proof of Concept of a Fatigue Paradigm in Post-Stroke Oropharyngeal Dysphagia (PSOD) Versus Healthy Controls

Jan Vanderwegen

Insufficient tongue strength increases risks of dysphagia, prolonged mealtimes and/or premature ending of meals. Healthy controls (HC) in previous research showed no tongue fatigue using a specific fatigue paradigm (FP). We aimed to compare tongue fatigability in PSOD with HC.

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