Endoneurial fluid pressure in the facial nerve of guinea pigs and rabbits |
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| Authors: | A B?hmer J Herzog N Dillier |
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| Affiliation: | Department of Otorhinolaryngology, University Hospital, Zürich, Switzerland. |
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| Abstract: | Endoneurial fluid pressure (EFP) was measured in the facial nerve in rabbits and guinea pigs using a servo-controlled micropipette system. EFP in the tympanic segment was 5.3 +/- 1.2 cm H2O in rabbits and 4.1 +/- 0.9 and 4.2 +/- 0.9 cm H2O in the tympanic and mastoid segment respectively in guinea pigs, while EFP in the sciatic nerve was around 2 cm H2O. The higher pressure in the facial nerve may be related to the proximo-distal flow of the endoneurial fluid in peripheral nerves. |
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