Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Surface-active agent in Eustachian Tube Function.

P N Rapport, D J Lim, H S Weiss

    Archives of Otolaryngology (Chicago, Ill. : 1960)
    |May 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Long term results from percutaneous radiofrequency neurotomy on posterior primary ramus in patients with chronic low back pain.

    Acta neurochirurgica. Supplement·2007
    Same author

    A new and simple transection knife for study of neurodegeneration and neuroregeneration in animal model.

    Acta neurochirurgica. Supplement·2007
    Same author

    Knowledge of and attitude towards circumcision of adult Korean males by age.

    Acta paediatrica (Oslo, Norway : 1992)·2004
    Same author

    Nocturia in patients with lower urinary tract symptoms: association with diurnal voiding patterns.

    BJU international·2004
    Same author

    Flow measurements via two-particle azimuthal correlations in Au + Au collisions at sqrt [s(NN)]=130 GeV.

    Physical review letters·2002
    Same author

    Measurement of Lambda and Lambda(macro) particles in Au+Au collisions at the square root of S(NN) = 130 GeV.

    Physical review letters·2002
    Same journal

    Lidocaine in the treatment of Meniere's disease.

    Archives of otolaryngology (Chicago, Ill. : 1960)·1985
    Same journal

    Irradiation after neck dissection.

    Archives of otolaryngology (Chicago, Ill. : 1960)·1985
    Same journal

    Forehead lift.

    Archives of otolaryngology (Chicago, Ill. : 1960)·1985
    Same journal

    Laryngeal cyst of the thyroid cartilage.

    Archives of otolaryngology (Chicago, Ill. : 1960)·1985
    Same journal

    Metabolic facial paralysis in an infant.

    Archives of otolaryngology (Chicago, Ill. : 1960)·1985
    Same journal

    Effects of magnetic resonance imaging fields on stapedectomy prostheses.

    Archives of otolaryngology (Chicago, Ill. : 1960)·1985
    See all related articles

    Saline washing increased Eustachian tube opening pressure in guinea pigs, suggesting a surfactant

    Area of Science:

    • Otolaryngology
    • Physiology
    • Biochemistry

    Background:

    • The Eustachian tube regulates middle ear pressure.
    • Its function can be influenced by surface-active agents.

    Purpose of the Study:

    • To investigate the effect of saline washing on Eustachian tube opening pressure.
    • To explore the role of surface-active agents in Eustachian tube function.

    Main Methods:

    • 15 fresh guinea pig temporal bones were used.
    • Eustachian tube function was tested before and after saline washing.
    • Opening pressures were measured repeatedly.

    Main Results:

    • Eustachian tube opening pressure significantly increased after saline washing (P < .001).

    Related Experiment Videos

  • Variability in opening pressures was observed across ears.
  • A phenomenon of changing opening pressures between trials disappeared after saline washing.

    • Conclusions:

    • Saline washing appears to alter Eustachian tube mechanics.
    • Surface-active agents (surfactants) may play a significant role in Eustachian tube function.