Reflux of nasopharyngeal content into middle ear through the eustachian tube

Whether nasopharyngeal content passes into the middle ear in patients without any head and neck pathology during the recovery phase of anesthesia is shown with an objective and prospective method. Thirty-eight patients, 21 female and 17 male, aged between 17 and 76, were included in the study. Durin...

Full description

Saved in:
Bibliographic Details
Published in:European archives of oto-rhino-laryngology 2004-09, Vol.261 (8), p.439-444
Main Authors: AYANOGLU, Elif, UNEN, Cuneyd, TUROGLU, Turgut, DOGAN, Varlik
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Biological and medical sciences
Eustachian Tube - diagnostic imaging
Eustachian Tube - metabolism
Eustachian Tube - pathology
Female
Humans
Magnetic Resonance Imaging
Male
Manometry - methods
Medical sciences
Middle Aged
Mucus - diagnostic imaging
Mucus - metabolism
Nasopharyngeal Diseases - diagnosis
Nasopharyngeal Diseases - metabolism
Nasopharyngeal Diseases - pathology
Otorhinolaryngology. Stomatology
Prospective Studies
Radionuclide Imaging - methods
Radiopharmaceuticals - pharmacokinetics
Technetium Tc 99m Aggregated Albumin - pharmacokinetics
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Whether nasopharyngeal content passes into the middle ear in patients without any head and neck pathology during the recovery phase of anesthesia is shown with an objective and prospective method. Thirty-eight patients, 21 female and 17 male, aged between 17 and 76, were included in the study. During the recovery phase of general anesthesia, 10 ml of 5 mCi Tc-99m-MAA was administered intranasally to the patients with a 10-F catheter. A manometer-adapted cuffed intubation tube was placed in the nasal passage so that the cuff was located at the choana. The pressure changes reflecting to the nasopharynx were recorded. The patients were extubated 10 min after the radionuclide was applied. The scintigraphic evaluation was done at the end of the 1st hour of the application of radionuclide. Transmission and emission views were taken with a gamma camera. Passage of nasopharyngeal content into the middle ear via the eustachian tube was not a statistically significant observation. The mean value of maximum pressure reflecting from the nasopharynx did not differ significantly between patients. Our study does not support the hypothesis that nasopharyngeal content passes directly through the eustachian tube into the middle ear and causes deleterious effects.
ISSN:0937-4477
1434-4726
DOI:10.1007/s00405-003-0709-5