Olfactory Acuity after Total Laryngectomy

The olfactory acuity of 29 patients receiving laryngectomy was prospectively studied. The olfactory acuity was evaluated by Jet Stream Olfactometer (JSO) and Alinamin® test preoperatively and at 3, 6 and 12 months postoperatively. The findings of nasal/olfactory mucosae were also observed by rigid e...

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Bibliographic Details
Published in:Chemical senses 2002-02, Vol.27 (2), p.117-121
Main Authors: Fujii, Megumi, Fukazawa, Keijiro, Hatta, Chihiro, Yasuno, Hiroki, Sakagami, Masafumi
Format: Article
Language:English
Subjects:
Aged
Biological and medical sciences
Female
Humans
Laryngeal Neoplasms - surgery
Laryngectomy
Laryngectomy - adverse effects
Male
Middle Aged
Nasal Mucosa - pathology
Olfactory Nerve - physiology
Smell
Thyroid Neoplasms - surgery
Time Factors
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Summary:The olfactory acuity of 29 patients receiving laryngectomy was prospectively studied. The olfactory acuity was evaluated by Jet Stream Olfactometer (JSO) and Alinamin® test preoperatively and at 3, 6 and 12 months postoperatively. The findings of nasal/olfactory mucosae were also observed by rigid endoscope. Based on the results of JSO, the averages of detection/recognition thresholds tended to increase 3 months postoperatively, then the averaged thresholds tended to decrease thereafter. There were significant differences between preoperative values and those 3 months after surgery, but there were no significant differences between preoperative values and these 6/12 months after surgery. Nasal respiratory mucosae observed 12 months after laryngectomy showed atrophic nasal mucosa in 11/14 patients. However, olfactory mucosae appeared normal in all of the patients observed. These results suggested that the function of the olfactory epithelium remained intact after laryngectomy.
ISSN:0379-864X
1464-3553
1464-3553
DOI:10.1093/chemse/27.2.117