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J Am Vet Med Assoc. 2008 Nov 15;233(10):1610-2. doi: 10.2460/javma.233.10.1610.

Successful treatment of head shaking by use of infrared diode laser deflation and coagulation of corpora nigra cysts and behavioral modification in a horse.

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1
Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA 95616.

Abstract

CASE DESCRIPTION:

A 15-year-old Saddlebred gelding used for competitive pleasure driving had a 1-year history of head shaking while pulling a cart.

CLINICAL FINDINGS:

The horse had cystic corpora nigra in both eyes and concomitant classic and operant conditioned responses to wearing a bridle with bilateral eye covers (blinkers).

TREATMENT AND OUTCOME:

Deflation and coagulation of the cysts with an infrared diode laser and behavior modification consisting of desensitization and counter-conditioning were used to successfully restore performance.

CLINICAL RELEVANCE:

Behavioral changes in horses can result from a combination of physical and psychologic causes. A combination of appropriate medical treatment of physical abnormalities and a behavioral modification plan is necessary to successfully treat behavioral problems in these patients.

PMID:
19014298
DOI:
10.2460/javma.233.10.1610
[Indexed for MEDLINE]
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