Document Detail


Effects of smoking on odour identification in Japanese subjects.
MedLine Citation:
PMID:  17956024     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: Effects of smoking on olfaction appear to be well-known. However, there are not many studies that studied these effects on the basis of olfactory testing, and no studies on this topic have been performed so far in an Asian population. Thus, the aim of this study was to investigate the effects of smoking on odour identification. METHODS: Five hundred fifty seven Japanese subjects (368 men and 189 women) were given the cross-cultural smell identification test (CC-SIT). Their history was taken with special regard to nasal disease and smoking. Urine nicotine level was assessed in 107 subjects. RESULTS: The CC-SIT scores of current and previous smokers were lower than those of nonsmoking subjects (p < 0.05). The Brinkman index (BI) and CC-SIT score were correlated even when controlling for the subjects' age (r = -0.24, p < 0.001). The time since quitting cigarette smoking did not exhibit a relation with the CC-SIT score (r = -0.04, p = 0.76). In addition, urine levels of nicotine and its metabolites exhibited no significant correlation with the CC-SIT score (r = -0.08, p = 0.40). CONCLUSION: Smoking reduces olfactory function. Apparently, recovery of olfactory sensitivity after cessation of smoking appears to be exceptional.
Authors:
Tadashi Ishimaru; Megumi Fujii
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Rhinology     Volume:  45     ISSN:  0300-0729     ISO Abbreviation:  Rhinology     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-10-24     Completed Date:  2007-12-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0347242     Medline TA:  Rhinology     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  224-8     Citation Subset:  IM    
Affiliation:
Department of Otorhinolaryngology, Nanto General Hospital, Nanto, Toyama, Japan. taishimaru-alg@umin.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Female
Humans
Japan
Male
Middle Aged
Odors*
Olfaction Disorders / physiopathology*
Recovery of Function
Smell / physiology*
Smoking / physiopathology*
Smoking Cessation

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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