Neisseria sp. multirresistente em efusão pericárdica em felino : relato de caso

Abstract

Pericardial disease in cats are uncommon and has a low incidence, being more common postmortem diagnosis. Neisseria sp. is considered a commensal microorganism of the oral cavity of dogs and cats and is usually isolated from human wounds resulting from bites of these animals. The present report describes the clinical, imaging, and laboratory findings of a feline with a pericardial effusion wherein was isolated Neisseria sp. multiresistant (MDR). The feline presented a history of four days of anorexia, dyspnea, and prostration. Pericardiocentesis was performed getting hemorrhagic exudate. The animal died after 11 days of treatment with gentamicin and amoxicillin with clavulanic acid. The abdominal cavity at necropsy was to fill with a greenish-yellow content and pericardial sac was thickened with a large amount of purulent secretion. The histopathology revealed necrotizing suppurative pericarditis and diffuse mononuclear pneumonia with necrotic pleuritis, developing secondary bacterial infection. These bacteria are important microorganism of zoonotic disease, and they can lead felines to serious illness as never reported, causing pneumonia, suppurative pericarditis necrotizing and pericardial effusion.