Abstract

GUZMAN SOLANO, María Andrea; VARGAS-PINTO, Pedro  and  CABREJO SAAVEDRA, César Augusto. Infectious Endocarditis in Dogs with a Previous Diagnosis of Peripheral Vestibular Syndrome Secondary to Probable Otitis Media-Interna: A Case Report. Rev. Med. Vet. [online]. 2021, n.42, pp.41-50.  Epub Mar 16, 2022. ISSN 0122-9354.  https://doi.org/10.19052/mv.vol1.iss42.5.

Infectious endocarditis is a pathological process with low incidence in the daily clinical practice. The main etiology are the bacterial agents that colonize with higher prevalence the mitral and aortic valves. This paper reports the case of a dog with a previous diagnosis of peripheral vestibular syndrome secondary to probable otitis media-interna. The dog has a sudden heart murmur, intermittent claudications, lack of appetite, depression and temperatures. It is performed an echocardiographic assessment that shows mitral valve thickening with hyperecoic structures in the free border that indicates vegetations. Using the Modified Duke Criteria, a definitive diagnosis of infectious endocarditis is concluded. The dog is provided a medical treatment at the clinic without success. The clinical and paraclinical findings match the background found in the literature. Modified Duke Criteria allow guiding the diagnosis process and uncovering the alarm clinical signs. Antimicrobial clinical treatment must be administered based on blood cultures and sensitivity tests and considering both the pathogen prevalence and infection primary origin. Doctors must deem this condition as a bad prognosis pathology with a high mortality percentage. Finally, it is concluded that the main limitation in this case is a lack of histopathological confirmation.

Keywords : infectious endocarditis; valve insufficiency; Modified Duke Criteria; sudden heart murmur; vegetations.

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