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Rev Med Liege ; 77(10): 551-556, 2022 Oct.
Artigo em Francês | MEDLINE | ID: mdl-36226390

RESUMO

Dog bites are a frequent reason for medical consultation. These can be responsible for severe infectious complications. Bacteria of the genus Capnocytophaga species are Gram-negative bacilli commonly found in the oral cavity of certain animals such as dogs and cats. Following a dog bite or wound contamination with animal spit, these bacteria can cause local (cellulitis), systemic and invasive manifestations (bacteremia, endocarditis, meningitis) or lead to rare and dreadful complications such as thrombotic microangiopathies. The identification of Capnocytophaga is slow due to their specific characteristics and their culture conditions. The treatment of Capnocytophaga species infections is based on antibiotic therapy with amoxicillin - clavulanic acid as the first choice. Although different types of Capnocytophaga have been described, C. Canimorsus appears to be associated with a higher rate of atypical complications. Here is the description of an immunocompetent patient who presented with C. Canimorsus bacteremia complicated by hemolytic uremic syndrome following a dog bite.


Les morsures de chien représentent un motif fréquent de consultation. Celles-ci peuvent entraîner des complications infectieuses graves. Les bactéries du genre Capnocytophaga species sont des bacilles Gram négatif fréquemment retrouvés dans la cavité buccale de certains animaux comme les chiens et les chats. à la suite d'une morsure canine ou d'une contamination de plaie par de la salive animale, ces bactéries peuvent provoquer des manifestations locales (cellulite), systémiques et invasives (bactériémie, endocardite, méningite) ou entraîner des complications rares et redoutables comme les microangiopathies thrombotiques. L'identification des Capnocytophaga est lente de par leurs caractéristiques propres et leurs conditions de mise en culture. Le traitement des infections à Capnocytophaga species repose sur une antibiothérapie par amoxicilline-acide clavulanique en première intention. Bien que différents types de Capnocytophaga aient été décrits, C. Canimorsus semble associé à un taux plus élevé de complications atypiques. Nous décrivons ici le cas d'une patiente immunocompétente ayant présenté une bactériémie à C. Canimorsus compliquée d'un syndrome hémolytique et urémique dans les suites d'une morsure de chien.


Assuntos
Bacteriemia , Mordeduras e Picadas , Doenças do Gato , Doenças do Cão , Infecções por Bactérias Gram-Negativas , Síndrome Hemolítico-Urêmica , Amoxicilina , Animais , Antibacterianos/uso terapêutico , Bacteriemia/complicações , Bacteriemia/microbiologia , Mordeduras e Picadas/complicações , Capnocytophaga , Gatos , Ácido Clavulânico , Cães , Infecções por Bactérias Gram-Negativas/complicações , Infecções por Bactérias Gram-Negativas/diagnóstico , Infecções por Bactérias Gram-Negativas/microbiologia , Síndrome Hemolítico-Urêmica/complicações , Humanos
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