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Angiology
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Transesophageal Echocardiography Combined with Magnetic Resonance Imaging for Detecting Venous Anomalies in Dextrocardia

A Case Report

Takahiko Nakagawa, M.D.

Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan

Jun Tanouchi, M.D., Ph.D.

Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan

Masami Nishino, M.D.

Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan

Tatsuo Ito, M.D.

Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan

Shusaku Ohnishi, M.D., Ph.D.

Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan

Hideo Tanahashi, M.D.

Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan

Yoshio Yamada, M.D., Ph.D.

Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan

Hiroshi Abe, M.D., Ph.D.

Division of Cardiology, Osaka Rosai Hospital, Osaka, Japan

A fifty-six-year-old woman was admitted to Osaka Rosai hospital because of dyspnea, chills, and fatigue. The patient was diagnosed by transthoracic echocardiography as having congestive heart failure due to severe biatrioventricular valve regurgitation, and cardiac surgery was proposed. Preoperative transesophageal echocardiography (TEE) revealed a dilatation of the coronary sinus (CS), a right-sided hemiazygos vein (R-AZ), and another great vessel lying between the CS and the R-AZ. Magnetic resonance imaging (MRI) was also performed, and this showed a persistent right superior vena cava (PRSVC) entering the left atrium via the dilatated CS. However, the site of connec tion between the R-AZ and the PRSVC could not be detected by MRI because of inade quate slice acquisition. Each method has its limitations, particularly with regard to visu alizing the extracardiac vascular system. Therefore, the authors demonstrated that the combination of TEE and MRI might be more useful than each alone, and the combina tion is as a valuable method as digital subtraction angiography for the diagnosis of extracardiac venous anomalies.

Angiology, Vol. 46, No. 6, 531-535 (1995)
DOI: 10.1177/000331979504600612
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