Kingella kingae is a fastidious slow-growing gram-negative organism commonly found in the oral cavity. The organism is known to cause endocarditis with a long duration of symptoms (2 weeks to 6 months) before a diagnosis is made. The organism may take up to 6 days to grow in culture, delaying accurate microbiological diagnosis. K kingae–associated endocarditis has been well described with native valves but is rarely seen with prosthetic valves. We describe a case of prosthetic aortic valve K. kingae endocarditis and review other reported cases of prosthetic valve ENDO with this organism.
From the Newark Beth Israel Medical Center, Division of Infectious Diseases, Newark, NJ.
Correspondence to: Ami Patel, MD, Newark Beth Israel Medical Center, Division of Infectious Diseases, Newark, NJ 07112. E-mail: firstname.lastname@example.org.
The authors have funding or no conflicts of interest to disclose.