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Japanese

AN EXPERIENCE IN OLFACTOMETRY Minato Hirabayashi 1 pp.443-448
Published Date 1979/6/20
DOI https://doi.org/10.11477/mf.1492208914
  • Abstract
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 The olfactory tests using the standard test odors (T&T olfactometer) were performed on normal adults and patients with olfactory disturbances, and the following results were obtained.

 1) The mean thresholds of detection in normal adults were nearly zero for 4 standard odors and 1.03 for scatol.

 2) The detection and the recognition thresholds were lowered in normal adults by the spray of 1/5, 000 epinephrine solution to the nasal cavity.

 3) The difference between the detection and the recognition thresholds of patients with olfactory disturbances were significantly greater than that of normal adults.

 4) Consecutive olfactory tests performed ten times once a day revealed that the variability of the detection threshold was within clinical feasibility.

 5) There was little change in the thresholds for the 5 test odors during the period of 2 years.

 6) The patients with olfactory disturbances were classified into 4 groups based on the olfactogram.


Copyright © 1979, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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