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Evaluation of Perivalvular Infectious Ventricular Pseudoaneurysm by ECG-gated Cardiac Computed Tomography: 2 Case Reports

Matsuo, Yuka MD*,†; Kimura, Fumiko MD, PhD*; Inoue, Kaiji MD*; Ogawa, Harumi MD, PhD; Tabata, Mimiko MD, PhD§; Uwabe, Kazuhiko MD, PhD§; Nishi, Naoko MD, PhD*; Komiyamam, Nobuyuki MD, PhD; Niinami, Hiroshi MD, PhD§

doi: 10.1097/RTI.0b013e31822a250c
Web Exclusive Content-Case Reports: Cardiovascular

Left ventricular (LV) pseudoaneurysm is a serious complication of periannular extension of infective endocarditis (IE). Because pseudoaneurysm carries a high risk of rupture, its detection and evaluation are crucial for patient management and surgical planning. We report 2 cases with LV pseudoaneurysms, one near the aortic valve and the other near the mitral valve, which were caused by IE and treated successfully. In both cases, cardiac multidetector-row computed tomography enabled detection of the LV pseudoaneurysm and a detailed demonstration of its anatomic relationship with surrounding structures, which helped guide surgical planning.

Departments of *Diagnostic Radiology

Cardiology

§Cardiovascular Surgery, Saitama Medical University International Medical Center, Saitama

Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan

The authors declare no conflicts of interest.

Reprints: Fumiko Kimura, MD, PhD, Department of Diagnostic Radiology, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka, Saitama 350-1298, Japan (e-mail: fkimura@saitama-med.ac.jp).

© 2012 Lippincott Williams & Wilkins, Inc.