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A tracheostomy is a surgical procedure that creates an artificial opening into the trachea, typically at the second or third cartilaginous ring level. This opening allows the insertion of a tracheostomy tube, which can replace an endotracheal tube, provide mechanical ventilation, bypass an upper airway obstruction, or remove accumulated tracheobronchial secretions.
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In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
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Related Experiment Video

Updated: May 21, 2025

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
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Phonatory and Radiological Analysis in Modified Montgomery Thyroplasty.

Natsuki Oishi1, Marta Torres-Pérez2, Rosa Hernández-Sandemetrio1

  • 1Faculty of Medicine, University of Valencia, Valencia, Spain; ENT Department, General University Hospital of Valencia, Valencia, Spain.

Journal of Voice : Official Journal of the Voice Foundation
|March 18, 2025
PubMed
Summary

Optimal hoarseness grade after thyroplasty correlates with voice handicap scores but not phonation time. Radiological findings, like thyroid window position, may influence outcomes in men.

Keywords:
Medialization thyroplasty—Montgomery thyroplasty—Prosthesis—Voice—Radiological study

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Area of Science:

  • Otolaryngology
  • Voice Science
  • Medical Imaging

Background:

  • Assessing phonatory and radiological features post-modified Montgomery thyroplasty.
  • Evaluating hoarseness, roughness, and breathiness (GRB) using Auditory Perceptual Voice Evaluation Scale.
  • Investigating functional voice characteristics and sex-based differences.

Purpose of the Study:

  • Analyze phonatory and radiological characteristics in patients with optimal vs. suboptimal GRB scores.
  • Determine the influence of sex on voice quality and functional parameters.
  • Correlate functional outcomes with laryngeal imaging findings.

Main Methods:

  • Descriptive study of postoperative phonatory results.
  • Radiological analysis using laryngeal computed tomography (CT) scans.
  • Measurement of nine key laryngeal landmarks on CT images.

Main Results:

  • Younger patients generally achieved better outcomes.
  • Optimal GRB group showed significantly greater Voice Handicap Index-30 (VHI-30) improvement.
  • No significant differences in maximum phonatory time (MPT) between groups; sex influenced MPT and radiological findings.

Conclusions:

  • A significant relationship exists between optimal hoarseness grade and VHI-30 score.
  • Maximum phonatory time (MPT) was not significantly related to GRB grade or VHI-30.
  • Laryngeal radiological data, specifically thyroid window location, were described in relation to surgical outcomes.