Restricted accessResearch articleFirst published online 1992-3
Comparison of Velopharyngeal Gap Size in Patients with Hypernasality,Hypernasality and Nasal Emission,or Nasal Turbulence (Rustle) as the Primary Speech Characteristic
Velopharyngeal insufficiency was assessed using multiview videofluoroscopy on eight patients with hypernasality, 10 patients with hypernasality and audible nasal emission, and 10 patients with nasal turbulence (rustle). Patients demonstrating hypernasality, with or without audible nasal emission, were found to have a significantly larger velopharyngeal gap than those with nasal rustle. This finding suggests that the degree of the velopharyngeal insufficiency can be predicted to some extent based on perceptual assessment. If the presence of a nasal rustle suggests a small velopharyngeal gap, despite the severe distortion of speech, then speech therapy should be considered prior to surgery in those cases.
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