Volume 18, Issue 70 (7-2009)                   JGUMS 2009, 18(70): 32-37 | Back to browse issues page

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Gerami H, Banan R, Forghan Parast K, Dadgari S, Sarmast H, Banan R et al . Normal Olfaction Range of Rasht Residents with a New Test Designed for the Region. JGUMS 2009; 18 (70) :32-37
URL: http://journal.gums.ac.ir/article-1-249-en.html
1- Guilan University of Medical Sciences , hg_gerami@yahoo.com
2- Guilan University of Medical Sciences
3- Tehran University of Medical Sciences
Abstract:   (7665 Views)
Abstract Introduction: An important part of one's information from surrounding environment comes through olfactory system. So its disorders regardless of the reason can lead to a lot of problems. An appropriate diagnostic smell test is needed for determination to the normal range of olfactory sense, and evaluation of patient's complain of hyposmia or anosmia and determination the severity of the problem. It is helpful for follow up and choosing the most effective surgical or medical treatment too. Unfortunately Current used tested for diagnose of factory system disorders are not modified for Iranian population and are difficult to run and interpret. Objective: Development of a standard smell test for Iranians and determination of the normal range of olfactory sense in this region. Materials and Methods: In order to find popular odorous items in the region, 56 well known materials were presented to two hundred, 15-60 years old, normal relatives of patients who came to university based Amir-Al-Momenin hospital. Then 16 materials with the highest scores were selected (based on this consensus) as the test materials. These were: petrol, alcohol, tea, rice, soap, cinnamon, origan, and garlic, onion, washing powder, mint, rose water, lemon juice, olive oil, Vinegar and Vix. Then, these 16 selected materials were presented to 150 people of study group (77 women, 73 men). All materials were presented in identical containers. Participants were requested to smell material at 2 centimeter distance for 3 seconds, without being able to see the material. Then they would choose an answer in a multiple choice questionnaire. Each nostril was tested separately, therefore the total score for two nostril and 16 materials was 32 for each person. Results: Considering 97 percentile, the normal range of olfactory score for 15-60 years old residents of Rasht was 28 – 32. Conclusion: This study is helpful to evaluate the patients who complain of hyposmia or anosmia and could be use for future studies.
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Review Paper: Research | Subject: Special
Received: 2013/11/20 | Accepted: 2013/11/20 | Published: 2013/11/20

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