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Clinical morphological parallels in sensorineural hearing loss due to exposure to acoustic vibrations

https://doi.org/10.21626/vestnik/2018-3/11

Abstract

A clinical and experimental study was conducted to identify morphological changes in the spiral organ of animals and the possibility of exposure to the morphological substrate of the disease in persons with hearing loss due to vibroacoustic effects. The experiment involved 34 white mongrel rats. A clinical part included an audiological examination of 127 railroad employees. In the experiment, a group of intact animals, a group of rats was exposed to noise and vibration against the background of immobilization without treatment. The second group of rats was exposed to the same vibration and noise, but it got simultaneous treatment with the drug Sildenafil having the vascular effect. And the third group of rats with hearing loss received the therapeutic drug with a delay. The morphological study of the animals’ temporal cochlea proved the degenerative changes in the spiral organ, the signs of cell apoptosis of the inner ear and spiral ganglion. Drug therapy with Sildenafil was more effective when used simultaneously.

About the Authors

E. V. Lobzina
Road Clinical Hospital at Rostov-Main Station
Russian Federation


V. G. Ovsyannikov
Rostov State Medical University
Russian Federation


T. V. Zolotova
Rostov State Medical University
Russian Federation


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Review

For citations:


Lobzina E.V., Ovsyannikov V.G., Zolotova T.V. Clinical morphological parallels in sensorineural hearing loss due to exposure to acoustic vibrations. Kursk Scientific and Practical Bulletin "Man and His Health". 2018;(3):75-81. (In Russ.) https://doi.org/10.21626/vestnik/2018-3/11

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ISSN 1998-5746 (Print)
ISSN 1998-5754 (Online)