Division of General Internal Medicine, Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA.
Division of Infectious Diseases, Department of Medicine, University of Tennessee Health Sciences Center, Memphis, TN, USA.
J Natl Med Assoc. 2023 Jun;115(3):298-301. doi: 10.1016/j.jnma.2023.02.009. Epub 2023 Mar 21.
Streptococcus gallinaceus is a new species of Streptococcus that was first isolated in 2004 in chickens. Infections in humans are associated with chicken exposure. There are very few case reports of human infections with this organism and none with disseminated infection. We report a case of Streptococcus gallinaceus bacteremia complicated by aortic valve endocarditis and lumbar osteomyelitis and paraspinal abscess in a patient with chicken exposure. The patient presented with progressive lower back pain and malaise. Blood culture was positive for Streptococcus gallinaceus. Magnetic resonance imaging (MRI) of the spine showed L2-L3 osteomyelitis with a compression fracture and paraspinal abscess. Transthoracic echocardiography revealed severe aortic insufficiency, 1-cm aortic valve echo density suspected to be a vegetation, and perforation of the right coronary cusp. He subsequently underwent anaortic valve repair. Pathology confirmed acute endocarditis with associated vegetations and granulation tissues. He was successfully treated with a six-week course of ceftriaxone.
鸡链球菌是一种新型的链球菌，于 2004 年首次从鸡中分离出来。人类感染与接触鸡有关。有非常少的关于该病原体引起的人类感染病例报告，也没有播散性感染的报告。我们报告了一例与鸡接触相关的鸡链球菌菌血症，并发主动脉瓣心内膜炎和腰椎骨髓炎及椎旁脓肿。患者表现为进行性下腰痛和不适。血培养为鸡链球菌阳性。脊柱 MRI 显示 L2-L3 骨髓炎伴压缩性骨折和椎旁脓肿。经胸超声心动图显示严重主动脉瓣关闭不全，1cm 主动脉瓣回声密度疑为赘生物，且右冠状动脉瓣穿孔。随后他接受了升主动脉瓣修复术。病理学证实为急性心内膜炎伴赘生物和肉芽组织。他成功地接受了 6 周的头孢曲松治疗。
