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Objectives
It is generally assumed that mouth opening decreases the hypopharyngeal cross‐sectional area (HA) and that tongue protrusion (TP) increases the HA. We hypothesize that a substantial number of patients do not exhibit this expected pattern.
Study Design
Prospective cohort conducted at a tertiary academic center.
Methods
With a flexible fiberoptic scope in position, the hypopharyngeal...
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