Abstract
Background: Redo aortic valve replacement for prosthetic valve endocarditis is a challenge for surgeons. Echocardiography is occasionally not an effective modality for the detection of infectious signs in prosthetic valve endocarditis. Case presentation: Herein, we report the case of a patient whose prosthetic valve endocarditis was detected by multidetector computed tomography and who successfully underwent redo aortic valve replacement. Preoperative echocardiography revealed no remarkable findings related to endocarditis such as perivalvular leakage or vegetation; however, multidetector computed tomography revealed a thickened right coronary cusp. Intraoperatively, the right coronary cusp was confirmed to be covered with thick infected tissue. The pathological findings revealed broad destruction due to infection of the right coronary cusp. Conclusion: Multidetector computed tomography was useful in detecting infectious signs in prosthetic valves.
Highlights
Echocardiography is a well-known, effective modality for diagnosing infective endocarditis (IE); it can occasionally be difficult to evaluate signs of infection in prosthetic valve endocarditis (PVE)
Case presentation: we report the case of a patient whose prosthetic valve endocarditis was detected by multidetector computed tomography and who successfully underwent redo aortic valve replacement
Preoperative echocardiography revealed no remarkable findings related to endocarditis such as perivalvular leakage or vegetation; multidetector computed tomography revealed a thickened right coronary cusp
Summary
Echocardiography is a well-known, effective modality for diagnosing infective endocarditis (IE); it can occasionally be difficult to evaluate signs of infection in prosthetic valve endocarditis (PVE). Echocardiography is the “gold standard” for assessing the anatomy of cardiac valves and peri-valvular apparatus; the effectiveness may be limited by the patient’s morphology and artifacts due to valvular calcifications or prosthetic material [1] [2]. By synchronizing the imaging acquisition with the cardiac pulsation, a more detailed image of the intracardiac structure can be obtained in this modality.
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