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Aim Measure dose-response of barium materials used for dysphagia diagnosis and treatment planning.

Comparison of standardized bariums with varying rheological parameters on swallowing kinematics in males.

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Aim Measure dose-response of barium materials used for dysphagia diagnosis and treatment planning.

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  1. Comparison of standardized bariums with varying rheologicalparameters on swallowing kinematics in males Jacqueline Hind, MS, CCC-SLP, BRS-S; Elizabeth Divyak, MS, CCC-SLP; Jill Zielinski, MS, CCC-SLP; Andrew Taylor, MD; Michael Hartman, MD; Ronald Gangnon, PhD; JoAnne Robbins, PhD, CCC-SLP, BRS-S

  2. Aim • Measure dose-response of barium materials used for dysphagia diagnosis and treatment planning. • Help radiologists, speech-language pathologists, and other medical professionals make informed decisions regarding safest barium materials to use during videofluoroscopic swallow studies (VFSSs). • Relevance • While modifying textures is common to prevent aspiration of food and liquids, debate surrounds unified terminology and standardized rheological properties.

  3. Method • 16 adult males representing various medical diagnoses qualified to complete VFSSs. • Tested with liquid barium of three viscosities: • Nectar: 300 cP. • Thin honey: 1,500 cP. • Thick honey: 3,000 cP. • Outcome measures included: • Airway invasion (Penetration-Aspiration Scale). • Postswallow residue. • Patient preference.

  4. Results • Penetration-Aspiration and residue: • No significant difference observed between thin and thick honey. • Significantly more severe airway invasion with nectar than with thin or thick honey. • Significantly more residue in oral cavity and valleculae with thin and thick honey than with nectar. • Patient preference: • 67% rated thin honey as “easy” or “average” to drink (vs 54% for thick honey).

  5. Mean Penetration/Aspiration Scale (Pen/Asp) scores for liquid bariums of different viscosities. Higher scores represent more severe airway invasion.

  6. Conclusion • This study supports use of thin honey barium over thick honey barium during VFSSs. • The 2 honey bariums were comparable in airway protection and postswallow residue in oropharynx. • Thin honey was preferred by patients.

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