Intermediate endocochlear potential levels induced by hypoxia

M. Gafni, H. Sohmer*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

It seems that the positive potential of the scala media (endocochlear potential [EP]) and the high potassium concentration in the endolymph are generated and maintained by an electrogenic pump. In order to study its properties, the EP was measured in cats ventilated with low oxygen gas mixtures (2.25-10% It was found that the EP could be maintained at intermediate levels which were more or less linear functions of blood oxygen tension (25-60 mmHg), showing that the pump can operate on intermediate levels. This hypoxic preparation may contribute to the study of cochlear blood flow.

Original languageEnglish
Pages (from-to)354-358
Number of pages5
JournalActa Oto-Laryngologica
Volume82
Issue number1-6
DOIs
StatePublished - 1976

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