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A new training method for velopharyngeal dysfunction: Self-inhalation for hypernasality.

Rika Kobayashi1, Koichi Tsunoda2, Mihiro Takazawa1

  • 1Department of Artificial Organs and Medical Creation, and Otolaryngology, National Hospital Organization Tokyo Medical Center, 2-5-1 Higashigaoka, Meguro-ku, Tokyo, 152-8902, Japan; Clinical Research Center, National Hospital Organization Nagoya Medical Center, 4-1-1, Sannomaru, Naka-ku, Nagoya-shi, Aichi, 460-0001, Japan.

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Summary
This summary is machine-generated.

This study introduces a new rehabilitation method for velopharyngeal dysfunction using peak inspiratory flow (PIF) rate. The training improved PIF rates objectively and subjectively, offering an effective self-treatment option.

Keywords:
DysphagiaHypernasalityPeak inspiratory flowRehabilitationSalivary poolingVelopharyngeal dysfunction

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Area of Science:

  • Otolaryngology
  • Speech-Language Pathology

Background:

  • Velopharyngeal dysfunction (VPD) treatment often relies on subjective evaluation.
  • Objective measures are needed to assess rehabilitation efficacy for VPD.

Purpose of the Study:

  • To propose and evaluate a novel self-training rehabilitation program for velopharyngeal dysfunction.
  • To utilize objective peak inspiratory flow (PIF) rate measurement for assessing treatment outcomes.

Main Methods:

  • Four patients with VPD (without cleft palate) participated in a 3-month home-based self-training program.
  • Patients used the In-Check Dial device to perform forceful inhalations daily, aiming to increase PIF rate.
  • PIF rates were measured objectively at baseline and after the 3-month intervention period.

Main Results:

  • All patients demonstrated a significant increase in PIF rate after the 3-month training (P < 0.05).
  • Objective measures showed improved velopharyngeal function, with reduced salivary pooling and nasal escape in most patients.
  • Patients reported subjective improvements in dysphagia and dysarthria.

Conclusions:

  • The proposed rehabilitation method provides an objective means to evaluate and treat velopharyngeal dysfunction.
  • This approach serves as an effective self-training program for individuals with VPD, enhancing functional outcomes.