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The Thai Journal of Veterinary Medicine

Abstract

Nowadays, the lifespan of pets has been increased by improvements in veterinary practice but age-related disorders are also increasing. Several nervous system attenuations are well-known to be the result of aging and/or pathological lesions. In many cases, neuropathic pain (NP) can develop and cause a significant impact on the clinical outcome and quality of life. With the difficulty in identification of the specific cause of NP, most NP management is planned according to clinical manifestations and recommended trial therapy. The drug of choice for trial therapy seems to be amitriptyline, a tricyclic antidepressant with multiple effects on neurotransmitter receptors and ion channels. However, the pharmacological effects of amitriptyline depend on several pathophysiological factors, including the level of drug exposure, drug metabolism capacity, concurrent disease and cellular responsiveness. In addition to its therapeutic effects, amitriptyline also possesses several adverse effects, especially cardiovascular toxicity. However, the information on its toxicity in veterinary clinical practice is very limited. In this article, we review the use of amitriptyline in NP management and its cardiovascular attenuation using both human medicine and veterinary publications. The aim of this review is to highlight the importance of routine cardiovascular monitoring and to provide a list of parameters that are associated with amitriptyline cardiovascular toxicity.

Publisher

Faculty of Veterinary Science, Chulalongkorn University

First Page

515

Last Page

528

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