Abstract

The review article discusses the main clinical signs of paralysis of the larynx and pathological changes associated with it and other neurological pathologies. These hereditary canine neuropathies form a group of degenerative diseases affecting motor and/or sensory and autonomic peripheral nerves and have similar symptoms.Axonal forms associated with generalized polyneuropathy and paralysis of the larynx have been described in several dog breeds: Dalmatians, Alaskan Malamutes, Rottweilers, Labrador Retrievers, Leonbergers, St. Bernards, Italian Spinols, Pyrenean Mountain Dogs, Podhale Sheepdogs, Cocker Spaniels, Great Danes, American Staffordshire Terriers, Staffordshire Bull Terriers, Bouvier de Flandres, Siberian Huskies and Siberian Husky crosses. Candidate genes for association with the disease are considered: ARHGEF10, RAPGEF6, ADAMTS3, CNTNAP1, DCTN1. The age of onset of the disease can be different, the manifestation of signs of paralysis of the larynx occurs both in young dogs, and the geriatric form also occurs. The prognosis of the complex of paralysis of the larynxpolyneuropathy is from cautious to unfavorable. One case of euthanasia due to intractable regurgitation and aspiration pneumonia has been described. Some authors point to a possible association of the disease with white coat color. Two main types of inheritance of paralysis of the larynx in dogs have been established - autosomal recessive and X -linked recessive. In humans, the dominant type of inheritance of this anomaly is known. Early diagnosis will make it possible to identify the hereditary nature of paralysis of the larynx, reduce the incidence of severe forms of the disease with timely surgical correction of the cartilage of the larynx and symptomatic treatment, as well as the spread of carriers of mutant alleles in dog populations. This is relevant today in connection with the spread of this anomaly in many breeds.

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