Equis ISSN 2398-2977

Soft palate: palatoplasty

Synonym(s): Oral palatopharyngoplasty, Ahern procedure

Contributor(s): Tom Ahern

Introduction

  • Hypothesis: reduction in palatal 'billowing' or wave formation during high-speed exercise   →   reduces negative pressures   →   soft palate retained in normal anatomical position.
  • Sections of soft palate (oral) mucosa +/- subepiglottic mucosal folds are resected.

Uses

Advantages

  • Addresses current theories about pathophysiology of DDSP.
  • No laryngotomy wound if only soft palate resection is performed - access via mouth.

Disadvantages

  • Access and visualization of site difficult.
  • Relatively new procedure.
  • The pathophysiology of DDSP is poorly understood.
  • Based on the hypothetical existence of an oropharyngeal seal mechanism, responsible during exercise for the ventral positioning of the soft palate; mobile subepiglottal mucosa may contribute to instability of the caudal free border of the soft palate.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Prognosis

  • Guarded: scientific evaluation of the procedure not available; some preliminary results suggest a success rate similar to that for other procedures - about 60%.

Further Reading

Publications

Refereed papers

Other sources of information

  • Ahern T J (1993)Oral palatopharyngoplasty.J Equine Vet Sci13, 670-672.
  • Ahern T J (1993)Oral palatopharyngoplasty.J Equine Vet Sci13, 185-188.


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