Aerococcus urinae: A Rare Cause of Endocarditis Presenting With Acute Stroke

Yasir Ahmed, Nikky Bardia, Caleb Judge, Sajjad Ahmad, Christopher Malozzi, Eduardo Calderon


Aerococcus urinae is a rare organism infrequently isolated from cultures. Mostly known to cause urinary tract infection, it can cause bacteremia leading to severe urosepsis and infective endocarditis. Embolization is frequently reported with Aerococcus urinae endocarditis (AUE); hence, the presentation is highly variable. Sequelae such as various central nervous system manifestations, sepsis, valvular regurgitation with heart failure and even coronary artery involvement have been reported. We report a case of a 58-year-old man with AUE of the aortic valve, severe aortic regurgitation and embolic stroke as a result of embolization from AUE and ultimately required aortic valve replacement. Our case highlights this rare cause of endocarditis and offers insight into the variability of patient presentation and risk factors to consider.

J Med Cases. 2021;12(2):65-70


Aerococcus urinae; Aerococcus urinae endocarditis; Infective endocarditis

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