title: Pseudoaneurysm formation in infective endocarditis.
abstract: Left ventricular pseudoaneurysms that develop in the setting of infective endocarditis are believed to result from remodeling of extravalvular abscesses. The high pressure generated by the left ventricle is thought to dissect into the abscess causing it to form a characteristic sac-like protuberance readily recognized echocardiographically. Left ventricular pseudoaneurysms most often arise from abscesses in the mitral-aortic intervalvular fibrosa and protrude external to the aorta. Less often, as described herein, they arise from abscesses external the posterior mitral annulus and project into the posterior interventricular groove. Perforation may result in camo-cameral or aorto-cameral fistula formation, as well as fistulous communication with the pericardial space.
authors.affiliation: Department of Cardiology, Icahn School of Medicine at Mount Sinai Services, New York.
authors.forename: Jeffrey J
authors.initials: JJ
authors.lastname: Silbiger
authors.forename: Andrew
authors.initials: A
authors.lastname: Krasner
authors.forename: Joanna
authors.initials: J
authors.lastname: Chikwe
authors.forename: Thomas
authors.initials: T
authors.lastname: Marino
authors.forename: Shiny
authors.initials: S
authors.lastname: Mathewkutty
authors.forename: Marian
authors.initials: M
authors.lastname: Marcali
authors.forename: Brian
authors.initials: B
authors.lastname: Edebohls
authors.forename: Mazullah
authors.initials: M
authors.lastname: Kamran
mesh_terms: D000038:Abscess; D017541:Aneurysm, False / Q000000981:diagnostic imaging* / Q000209:etiology* / Q000601:surgery; D017548:Echocardiography, Transesophageal; D004697:Endocarditis, Bacterial / Q000150:complications* / Q000000981:diagnostic imaging*; D006333:Heart Failure / Q000150:complications / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000000981:diagnostic imaging; D016343:Monitoring, Intraoperative; D013290:Streptococcal Infections / Q000150:complications*
keywords: Infective endocarditis; echocardiography; left ventricular pseudoaneurysm