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Bartonella Endocarditis

ABSTRACT
 
We report a case of 53-year-old male with blood culture-negative endocarditis, who presented with low
grade fever for 9 months and progressive dyspnea for 1 month. Transesophageal echocardiography revealed
severe aortic regurgitation and a large mobile mass at right coronary cusp and paravalvular abscess adjacent
to the left coronary cusp. Bartonella spp. was demonstrated in the heart valve tissue by Warthin Starry stain
and 16S rDNA sequencing. After aortic valve replacement and appropriate antimicrobial therap

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