Electroencephalography findings in healthy and Finnish Spitz dogs with epilepsy: visual and background quantitative analysis

Journal of Veterinary Internal Medicine
Janis JeserevicsLuciana Bergamasco

Abstract

Qualitative and quantitative electroencephalography (EEG) parameters of healthy and Finnish Spitz dogs with epilepsy have not been determined. To determine if EEG can provide specific characteristics to distinguish between healthy dogs and dogs with epilepsy. Sixteen healthy and 15 Finnish Spitz dogs with epilepsy. A prospective clinical EEG study performed under medetomidine sedation. Blinded visual and quantitative EEG analyses were performed and results were compared between study groups. Benign epileptiform transients of sleep and sleep spindles were a frequent finding in a majority of animals from both groups. The EEG analysis detected epileptiform activity in 3 Finnish Spitz dogs with epilepsy and in 1 healthy Finnish Spitz dog. Epileptiform activity was characterized by spikes, polyspikes, and spike slow wave complexes in posterior-occipital derivation in dogs with epilepsy and with midline spikes in control dog. The healthy dogs showed significantly less theta and beta activity than did the dogs with epilepsy (P < .01), but the only significant difference between healthy dogs and dogs with untreated epilepsy was in the alpha band (P < .001). Phenobarbital treatment increased alpha, beta (P < .001), and theta (P < .01), ...Continue Reading

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