Amount of airflow required for olfactory perception in laryngectomees: a prospective interventional study

Clin. Otolaryngol. 2012, 37, 28–34 Objectives:  To determine minimum airflow rate required for olfactory stimulation in successfully rehabilitated laryngectomised patients after learning the polite yawning technique (PYT) and to confirm the hypothesis that sense of smell is rehabilitated once the na...

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Published in:Clinical otolaryngology 2012-02, Vol.37 (1), p.28-34
Main Authors: Manestar, D., Tićac, R., Maričić, S., Malvić, G., Čorak, D., Marjanović Kavanagh, M., Prgomet, D., Starčević, R.
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Airway Resistance
Female
Follow-Up Studies
Humans
Hypotheses
Laryngectomy - adverse effects
Laryngectomy - rehabilitation
Male
Medical research
Middle Aged
Monitoring, Intraoperative - methods
Nasal Mucosa - physiopathology
Olfaction Disorders - etiology
Olfaction Disorders - physiopathology
Olfaction Disorders - rehabilitation
Pressure
Prospective Studies
Rhinomanometry - methods
Smell
Smell - physiology
Time Factors
Young Adult
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Summary:Clin. Otolaryngol. 2012, 37, 28–34 Objectives:  To determine minimum airflow rate required for olfactory stimulation in successfully rehabilitated laryngectomised patients after learning the polite yawning technique (PYT) and to confirm the hypothesis that sense of smell is rehabilitated once the nasal airflow is re‐established. Design:  Prospective open interventional trial. Setting:  Tertiary academic hospital. Participants:  The study population comprised 100 laryngectomised patients. The control group consisted of 100 non‐laryngectomised patients of similar age and sex. Rhinomanometry was used to measure air flow in the right and left nostrils, respectively, while the Smell Diskettes Olfaction test (SDOT) was used to test each individual’s sense of smell. Main outcome measures:  The primary endpoint was increasing the airflow, while the secondary endpoint was improvement in the Smell Diskettes Olfaction test score after learning the polite yawning technique. Results:  The difference in the Smell Diskettes Olfaction test results before and after introducing the polite yawning technique was statistically significant (F = 53.077; P 
ISSN:1749-4478
1749-4486
DOI:10.1111/j.1749-4486.2012.02442.x