Abstract
Background
Aspiration of liquids is a serious complication of neurological impairments such as traumatic brain injury or stroke. Carbonated liquids have been examined as a possible alternative to thickened liquids to help reduce aspiration in cases of dysphagia in adults, but no published literature to the best of our knowledge has evaluated this technique in children. If carbonated liquids result in safer swallowing in children, they could provide a preferred alternative to thickened liquids.
Objective
This pilot study examined whether carbonated thin liquids (CARB) improved swallowing compared to non-carbonated thin liquids (NOCARB) for children with neurogenic dysphagia.
Materials and methods
Twenty-four children admitted to a level I trauma center for acute neurological injury/disease were evaluated via videofluoroscopic swallow studies. Four descriptive outcome measures were contrasted.
Results
CARB significantly decreased pooling (P = 0.0006), laryngeal penetration/aspiration (P = 0.0044) and Penetration-Aspiration Scale scores (P = 0.0127) when compared to NOCARB. On average, CARB improved scores on the Penetration-Aspiration Scale by 3.7 points for participants who aspirated NOCARB. There was no significant difference in pharyngeal residue noted between CARB and NOCARB (P = 0.0625).
Conclusion
These findings support the hypothesis that carbonated thin liquids may provide an alternative to thickened liquids for children with neurogenic dysphagia. Implications for future research and clinical practice are discussed.
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Acknowledgments
This project was funded in part by the Maternal and Child Health Bureau Grant T73MC00049 and CTSA grant UL1TR001070.
Jennifer P. Lundine would like to thank the following people for their support with the organization and analysis of this study: Kelsey Egelhoff, PhD, Michael Trudeau, PhD, Linda Lowes, PhD, Adriane Baylis, PhD, Tamela Thompson, MA, Stephanie Oswald, MA, and Caitlin Sirois, MS. Much gratitude to Brad Hoehne in the Department of Radiology for his assistance with the video edits required for this study.
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ESM 1
NOCARB via spoon, slowed by 50%. Vallecular/pyriform pooling prior to swallow. Aspiration on last swallow. (MP4 21102 kb)
ESM 2
CARB via spoon, slowed by 50%. Residue from aspiration with NOCARB present on surface of vocal folds prior to first swallow. No pyriform pooling prior to swallow. No new laryngeal penetration or aspiration observed. (MP4 14505 kb)
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Lundine, J.P., Bates, D.G. & Yin, H. Analysis of carbonated thin liquids in pediatric neurogenic dysphagia. Pediatr Radiol 45, 1323–1332 (2015). https://doi.org/10.1007/s00247-015-3314-z
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DOI: https://doi.org/10.1007/s00247-015-3314-z