• A Caruso, D Iarussi, C Materazzi, G Dialetto, F Covino, E Bossone, and M Cotrufo.
• Istituto Medico Chirurgico di Cardiologia, Ospedale Monaldi, Seconda Università Naples, Italy.
• J Am Soc Echocardiogr. 2000 Jan 1;13(1):69-72.

AbstractThe aorta-atria fistula is an infrequent complication of aortic dissection, and it is rarely diagnosed before death. A 41-year-old man who 8 years previously had undergone prosthetic aortic valve replacement had an aortic dissection complicated by aorta-left atrial fistula. This patient had acute left heart failure associated with a systolic and diastolic murmur at the lower left sternal border suggesting an aortic prosthetic malfunction. The cardiac diagnosis was made with transesophageal echocardiography and Doppler color flow imaging; it was notable that the cardiac lesions were not detected by transthoracic echocardiography. On the basis of the echocardiographic findings, the patient underwent successful emergency replacement of the dissecting ascending aorta with closure of the aorta-left atrial fistula. Transesophageal echocardiography is the procedure of choice for defining this abnormality. In this case a prompt surgical repair consisting of replacement of the affected segment of the aorta with the prosthesis and closure of the fistula provided optimum resolution of the clinical situation.

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