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Hypernasality following adenoid removal

M J Donnelly1

  • 1Department of Otolaryngology, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.

Irish Journal of Medical Science
|May 1, 1994
PubMed
Summary
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Persistent hypernasality, a complication after adenotonsillectomy, often stems from hidden palate abnormalities. While many cases improve spontaneously or with speech therapy within a year, some require surgical intervention.

Area of Science:

  • Otolaryngology
  • Speech Pathology

Background:

  • Persistent hypernasality is a recognized complication following adenotonsillectomy.
  • This condition occurs in approximately 1 in 1,500 procedures.
  • The primary cause is often an underlying congenital palatal abnormality revealed after adenoid tissue removal.

Purpose of the Study:

  • To discuss the etiology, identification, and management of persistent hypernasality post-adenotonsillectomy.
  • To highlight the importance of pre-operative assessment for identifying at-risk patients.
  • To outline the natural course and therapeutic options for this complication.

Main Methods:

  • Review of etiological factors for persistent hypernasality.
  • Discussion of clinical examination and history-taking for risk identification.

Related Experiment Videos

  • Analysis of spontaneous improvement rates and effectiveness of speech therapy and surgical interventions.

    • Main Results:

    • Persistent hypernasality is unmasked by adenotonsillectomy in susceptible individuals.
    • Spontaneous improvement is observed in many cases within one year.
    • Speech therapy can be beneficial, but up to 50% of patients may require surgery.

    Conclusions:

    • Careful pre-operative evaluation can identify patients at risk for persistent hypernasality.
    • A significant portion of patients experience spontaneous improvement or benefit from speech therapy.
    • Surgical management is a necessary option for a subset of patients with persistent hypernasality.