J Rhinol > Volume 26(2); 2019
Journal of Rhinology 2019;26(2):92-98.
Published online November 30, 2019.
DOI: https://doi.org/10.18787/jr.2019.26.2.92   
Comparing the Effectiveness of Olfactory Training, According as Type and Preference of Odorant
Dong Young Kim, Jung Ho Ha, Ju Ho Lee, Hyun Jun Kim, Do Yang Park
Department of Otolaryngology, Ajou University School of Medicine, Suwon, Korea. entdyp@ajou.ac.kr
후각장애 환자에서의 향의 종류, 선호도에 따른 후각훈련의 효과 차이
김동영, 하정호, 이주호, 김현준, 박도양
아주대학교 의과대학 이비인후과학교실
Abstract
Background and Objectives
Recently, the prevalence of olfactory dysfunction has increased with pollution and population adequate. Treatment by olfactory training has been suggested as an alternative method, but there is no protocol for olfactory training with odorants familiar to Koreans. Also, no studies have analyzed the effects of individual preference in terms of personalized medicine. This study compared the effectiveness of olfactory training according to patient odor preference.
Materials and Method
S: The prospective study was performed in patients with olfactory dysfunction and used 8 total odorants. After a survey of preference for the odorants, patients were divided into two groups, one group performed olfactory training with 3 preferred odorants, whereas the other group performed training with odorants they did not prefer. Also, the effects of olfactory training in the two groups were compared by KVSS threshold, discrimination, identification score, and subjective VAS score of olfaction. Olfactory testing was performed before and after training for 4 and 12 weeks.
Results
There was no demographic difference between the two groups. After olfactory training, the preference group showed statistically significant improvement in threshold, identification, TDI score, and VAS score. Conversely, there was no significant change of olfactory function in the non-preference group.
Conclusion
Thus, we conclude that odorants of olfactory training should be applied depending on cultural preferences, and that the preferred odorants of each individual patient will have a greater therapeutic effect on olfactory dysfunction compared to non-preferred odorants.
Key Words: Olfaction dysfunction;Treatment;Olfactory training;Preference


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