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Video: Horner Syndrome In Cats
2023 Author: Molly Page | [email protected]. Last modified: 2023-11-27 22:49
Horner's syndrome is a disorder of the sympathetic innervation of the eye, manifested by constriction of the pupil, narrowing of the palpebral fissure, retraction of the eyeball and dry skin on the face on the same side. How does Horner's syndrome occur? This pathology develops when part of the sympathetic nervous system is damaged. Damage can occur in the brain or spinal cord.
The most common causes of this disease in cats are car accidents that injure the head, neck or chest, bite wounds, spinal tumors, and the use of drugs. Approximately 25-42% of cases of Horner's syndrome in cats are idiopathic, that is, they arise for an unknown reason.
Horner's syndrome symptoms
- Small pupil size (miosis).
- Speech of the third century.
- Descent of the upper eyelid (ptosis).
- Enophthalmos - the location of the eyeball in the eye socket is deeper than usual.
- Expansion of blood vessels on the damaged side of the muzzle, which makes this area hot to the touch.
Horner's syndrome is diagnosed by the presence of the above symptoms. It is more difficult to determine the cause of the disease. To do this, sometimes you need to do a complete physical and neurological examination, X-rays, chemical tests, complete blood count, computed or magnetic resonance imaging.
It is possible to partially localize the affected area of the sympathetic nervous system by injecting epinephrine in the form of drops into both eyes. Then they are monitored for their expansion. If nerve damage occurs outside the brain or spinal cord, the pupil will dilate 20 minutes after the drug is administered. Otherwise, the pupil will dilate not earlier than in 30-40 minutes.
Horner's syndrome treatment. Phenylephrine eye drops are sometimes prescribed to ease clinical signs. If possible, the cause of the development of this pathology should be established and eliminated.
If, after careful analysis, none of the above damage is found, it is best to wait a while. Most often, this disease goes away on its own and this period can take from several weeks to several months.
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