Mitral Valve Aneurysm in Endocarditis

To the Editor: I read with interest the contribution by Cai et al in the “Images in Cardiovascular Medicine” section of the journal.1 They described a patient who developed severe aortic regurgitation and a mitral valve aneurysm 1 month after successful treatment of Streptococcus mitis endocarditis. The case presentation and the title implied that the mitral valve aneurysm was caused by the effect of severe aortic regurgitation on the mitral valve and not directly related to endocarditis. I am unaware of other cases of mitral valve aneurysm as a result …