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Mini pig models are large mammals and their ears are more similar with human beings in structure and development than other animals. However, the study on porcine ears is still in the initial stage and there is no description of an ideal operation approach to endocochlear potential and potassium ion concentration measurements. In this article, we describe a pre-auricular surgical approach to access...
To record the endocochlear potential (EP) and calculate potassium concentration [K+] in Minipig cochleae.We used multi-barreled electrodes to measure the EP and the potential, [K+]. EP and potassium electrode recording were made in 9 cochleae from 5 minipigs to get normal EP values.The average EP value in the cochlea from the minipigs was 77.3 ± 14mV. The average [K+] for the minipigs was 147.1 ±...
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