Key result
TEE and CCT reveal a mitral-aortic intervalvular fibrosa pseudoaneurysm compressing the SVC and RA.
Case Report
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Multimodality imaging with TEE and cardiac CT is effective in visualizing rare complications like MAIVF pseudoaneurysm causing SVC and right atrial compression.
The mitral-aortic intervalvular fibrosa (MAIVF) is a fibrous, avascular region between the anterior leaflet of the mitral valve and noncoronary cusp of the aortic valve. This makes MAIVF vulnerable to injury and infection; thus pseudoaneurysm may develop. The pseudoaneurysm can cause compression to coronary arteries which causes angina or pulmonary artery resulting in pulmonary hypertension. We presented the pseudoaneurysm of MAIVF causing compression of superior vena cava and right atrium which was visualized by two- and three-dimensional transesophageal echocardiography and cardiac computed tomography.
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Karaduman et al. (2019) conducted a case report in Mitral-aortic intervalvular fibrosa pseudoaneurysm. Transesophageal echocardiography and cardiac computed tomography was evaluated. Transesophageal echocardiography and cardiac computed tomography visualized a mitral-aortic intervalvular fibrosa pseudoaneurysm causing compression of the superior vena cava and right atrium.
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