Abstract:
:Background Retronasal olfaction is important in flavor detection and enjoyment. The ability to identify specific individual retronasal odors may play a role in quality of life for patients with chronic rhinosinusitis (CRS). Objective To identify patterns and improve understanding of retronasal identification of individual odors in CRS patients. Methods Patients diagnosed with CRS underwent retronasal and orthonasal (Sniffin' Sticks) olfactory testing and taste testing (taste strips). Retronasal identification was tested with presentation of flavored powders on the posterior tongue. Retronasal identification for individual odors was compared with results of orthonasal and taste testing. Results Seventy participants were evaluated. Retronasal identification correlated with orthonasal identification and discrimination for most individual odors. Among all patients, cinnamon and apple were identified better retronasally and banana better orthonasally ( P < .05). Anosmics identified retronasal orange, cinnamon, mushroom, coffee, smoked ham, peach, ginger, grape, and cheese more than would be expected by chance for a forced-choice paradigm with 3 distractor items ( P < .05), and this was independent of objective taste function for most odors. Conclusion Retronasal and orthonasal identification of most odors correlate in CRS patients; however, patients with anosmia can still identify certain retronasal odors more often than expected. These odors do not appear to stimulate gustatory pathways and may involve trigeminal stimulation. Understanding preserved retronasal neural stimuli may allow providers to improve eating-related quality of life in these patients.
journal_name
Am J Rhinol Allergyjournal_title
American journal of rhinology & allergyauthors
Ganjaei KG,Soler ZM,Storck KA,Rowan NR,Othieno FA,Schlosser RJdoi
10.1177/1945892418793540subject
Has Abstractpub_date
2018-09-01 00:00:00pages
424-431issue
5eissn
1945-8924issn
1945-8932journal_volume
32pub_type
杂志文章abstract:BACKGROUND:The prevalence of rhinitis has been reported to be higher in urban areas. OBJECTIVE:To determine the prevalence of rhinitis in schoolchildren who lived on two islands in the Brazilian Amazon, including a rural island and an urban island, and to identify the associated risk factors. METHODS:Four hundred chi...
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journal_title:American journal of rhinology & allergy
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更新日期:2014-11-01 00:00:00
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更新日期:2011-05-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
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更新日期:2015-09-01 00:00:00
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更新日期:2013-11-01 00:00:00