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Factors Influencing Presence or Absence of Laterality During Pharyngeal Bolus Clearance.

Kendrea L GarandTaylor ThomasRajarshi Dey
Published in: Perspectives of the ASHA special interest groups (2020)
Majority of swallows in the current healthy sample demonstrated no laterality preference. If present, males were more likely to demonstrate laterality compared to females. Laterality observed during videofluoroscopy does not imply impairment if there are no other factors present influencing bolus flow into the esophagus (e.g., mass). Study findings further define typical swallowing behaviors, allowing clinicians to better delineate normal variations from true impairment. Further research should include a larger sample of individuals aged 80 years and older, as well as additional swallowing tasks, to further investigate patient- and bolus-related factors on laterality.
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