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Factors Influencing Oral Bolus Hold Type: Tipper or Dipper.
Perspectives of the ASHA Special Interest Groups 2021 December
PURPOSE: This retrospective study investigated the impact of age, sex, and swallow task on bolus hold location during cued liquid swallows in healthy, community-dwelling adults. Furthermore, we investigated the association between bolus hold location and Modified Barium Swallow Impairment Profile (MBSImP) Components 2 (bolus hold) and 4 (lingual transport) scores.
METHOD: Cued swallows of standardized barium liquids (thin, nectar-thickened, honey-thickened) observed during videofluoroscopy in 195 participants were judged as either tipper or dipper bolus hold type. Logistic regression was used to determine relationships between bolus hold location and age, sex, and swallow task. Fisher's exact test was used to determine associations between MBSImP scores and bolus hold type.
RESULTS: The majority of swallow tasks (95%) were of tipper bolus hold type. A significant relationship was observed between age and bolus hold type for swallows of 5-ml thin liquid and 5-ml honey-thickened liquid, with older individuals more likely to demonstrate a tipper bolus hold type. Sex was observed to be a significant factor for two swallow tasks (cup sip of thin liquid and 5 ml of nectar-thickened liquid), with males being more likely to be dippers. No significant relationships were observed between bolus hold type and MBSImP Component 2 or 4 scores.
CONCLUSIONS: A tipper bolus hold type was the most common type observed in healthy adults, although the dipper bolus hold type was also observed (albeit at a lower frequency). These study findings further contribute to defining typical swallowing behaviors.
METHOD: Cued swallows of standardized barium liquids (thin, nectar-thickened, honey-thickened) observed during videofluoroscopy in 195 participants were judged as either tipper or dipper bolus hold type. Logistic regression was used to determine relationships between bolus hold location and age, sex, and swallow task. Fisher's exact test was used to determine associations between MBSImP scores and bolus hold type.
RESULTS: The majority of swallow tasks (95%) were of tipper bolus hold type. A significant relationship was observed between age and bolus hold type for swallows of 5-ml thin liquid and 5-ml honey-thickened liquid, with older individuals more likely to demonstrate a tipper bolus hold type. Sex was observed to be a significant factor for two swallow tasks (cup sip of thin liquid and 5 ml of nectar-thickened liquid), with males being more likely to be dippers. No significant relationships were observed between bolus hold type and MBSImP Component 2 or 4 scores.
CONCLUSIONS: A tipper bolus hold type was the most common type observed in healthy adults, although the dipper bolus hold type was also observed (albeit at a lower frequency). These study findings further contribute to defining typical swallowing behaviors.
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