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Related Experiment Videos

Pulmonary function after total laryngectomy.

M M Hess1, R A Schwenk, W Frank

  • 1Department of Phoniatrics and Pedaudiology, University Hospital Eppendorf, Hamburg, Germany.

The Laryngoscope
|June 16, 1999
PubMed
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Pulmonary airway obstruction is common in laryngectomees (81%), with many unaware of their condition. Regular pulmonary function tests post-laryngectomy are recommended to improve respiratory health.

Area of Science:

  • Pulmonology
  • Otolaryngology
  • Medical Devices

Background:

  • Laryngectomy patients often experience impaired pulmonary function.
  • Standard pulmonary function testing can be challenging in laryngectomees due to the stoma.
  • A specialized silicone adapter allows for effective pulmonary function assessment via bodyplethysmography.

Purpose of the Study:

  • To assess pulmonary function in laryngectomees using a novel stoma-to-bodyplethysmograph silicone adapter.
  • To determine the prevalence and types of airway obstruction in this population.
  • To evaluate the potential benefit of bronchodilator therapy and identify gaps in medical management.

Main Methods:

  • Prospective pulmonary function assessment in 59 laryngectomees using a custom silicone adapter.

Related Experiment Videos

  • Comparison of lung function before and after bronchodilator administration in select patients.
  • Classification of airway obstruction into large airway obstruction (LAO), peripheral airway obstruction (PAO), and small airway disease (SAD).

    • Main Results:

    • 81% of laryngectomees exhibited pulmonary airway obstruction; only 19% had normal function.
    • Prevalence of obstruction types: SAD (39%), LAO (25%), PAO (17%). Emphysema was noted in 14%.
    • Bronchodilator therapy improved pulmonary function in 12 of 16 patients with obstruction. Many patients were unaware of their condition, and few received treatment.

    Conclusions:

    • A significant proportion (42%) of laryngectomees may benefit from further medical intervention for airway obstruction.
    • Pulmonary function assessment is infrequent post-laryngectomy, necessitating more regular postoperative monitoring.
    • Further research is required to establish optimal therapeutic interventions and their impact on quality of life.