Is Kingella kingae gram-negative?
Kingella kingae is a common etiology of pediatric bacteremia and the leading agent of osteomyelitis and septic arthritis in children aged 6 to 36 months. This Gram-negative bacterium is carried asymptomatically in the oropharynx and disseminates by close interpersonal contact.
What bacteria is responsible for infective endocarditis?
Acute bacterial endocarditis is usually caused by staphylococcus aureus bacteria and occasionally by the bacterial strains brucella and listeria. This form of infective endocarditis, compared to other forms, is more likely to affect normal heart valves.
What are the complications of endocarditis?
Complications of infective endocarditis (IE) include cardiac, metastatic, neurologic, renal, musculoskeletal, and pulmonary complications as well as complications related to systemic infection (including embolization, metastatic infection, and mycotic aneurysm). More than one complication can occur simultaneously.
How do you identify Kingella?
Kingella kingae is nonmotile, exhibits oxidase positivity, and has no catalase, urease, or indole activity. The organism produces acid from glucose and maltose but not from other sugars, and can be readily identified by commercial systems such as API NH or VITEK 2 (bioMérieux, Marcy-l’Etoile, France).
What is the most common cause of infective endocarditis?
Bacterial infection is the most common cause of endocarditis. Endocarditis can also be caused by fungi, such as Candida.
How is infective endocarditis caused?
Endocarditis occurs when germs, usually bacteria, enter your bloodstream, travel to your heart, and attach to abnormal heart valves or damaged heart tissue. Fungi or other germs also may cause endocarditis. Usually, your immune system destroys any harmful bacteria that enter your bloodstream.
Is Kingella kingae contagious?
How is Kingella kingae spread? Kingella kingae is spread person-to-person through respiratory secretions and saliva. Transmission is more likely in child care settings because young children are more likely to harbor the bacteria.
How do you treat Kingella kingae?
kingae bacteremia and no focal infection generally are administered an intravenous cephalosporin, such as crfuroxime or ceftriaxone, and treatment is subsequently switched to oral b-lactam antibiotics. Patients respond favorably to a 1-2-week antibiotic course (64).
Does Kingella grow on MacConkey?
Kingella kingae grows on blood- and chocolate-agar producing marked impressions on the medium’s surface, fails to grow on MacConkey or Krigler agar, and its growth is enhanced by a CO2-enriched atmosphere. Kingella kingae is nonmotile, exhibits oxidase positivity, and has no catalase, urease, or indole activity.
What is the difference between endocarditis and infective endocarditis?
Endocarditis, also called infective endocarditis (IE), is an inflammation of the inner lining of the heart. The most common type, bacterial endocarditis, occurs when germs enter your heart.
How is endocarditis detected?
Blood test If your doctor suspects you have endocarditis, a blood culture test will be ordered to confirm whether bacteria, fungi, or other microorganisms are causing it. Other blood tests can also reveal if your symptoms are caused by another condition, such as anemia.