title: [Active posterior rhinomanometry by means of a fine nasal catheter for obtaining postnasal pressure].
abstract: Recent years, active anterior rhinomanometry using a anesthetic face mask is probably more commonly employed than active posterior rhinomanometry because of occasional failure in obtaining the oropharyngeal pressure in the latter method. Thus, in attempt to overcome the disadvantage in active posterior rhinomanometry, we employed a fine nasal catheter (# 8F infant feeding nasal catheter) through the nasal cavity instead of a peroral mouth piece. Nasal resistances in a normal adult were measured by mask active posterior rhinomanometry with a mouth piece or a nasal catheter for obtaining postnasal pressure using Rhinorheograph MPR -2100 (manufactured by Nihon-Kohden Co., Ltd.). In adult, no significant differences of unilateral and bilateral nasal resistances between with the mouth piece and with the nasal catheter were found either on inspiration or expiration. It could be concluded in this fundamental study that active posterior rhinomanometry with the fine nasal catheter is useful and has no procedure problems.
authors.affiliation: Department of Otolaryngology, Fujita Health University, School of Medicine, Aichi.
authors.forename: K
authors.initials: K
authors.lastname: Naito
authors.forename: S
authors.initials: S
authors.lastname: Iwata
authors.forename: E
authors.initials: E
authors.lastname: Ohoka
authors.forename: Y
authors.initials: Y
authors.lastname: Kondo
authors.forename: M
authors.initials: M
authors.lastname: Katsuno
mesh_terms: D000403:Airway Resistance; D002404:Catheterization / Q000295:instrumentation; D006801:Humans; D007440:Intubation; D008365:Manometry / Q000379:methods*; D009296:Nasal Cavity / Q000502:physiology*; D009666:Nose