Congenital Left Internal Mammary Artery to Pulmonary Artery Fistula with Aneurysmal Change Diagnosed Incidentally:Report of a Case

An internal mammary artery to pulmonary artery (IMA-PA) fistula is a very rare vascular abnormality. Patients with this disease are often asymptomatic, but they may develop symptoms such as heart failure and hemoptysis. A 60-year-old woman was incidentally diagnosed with left IMA-PA fistula by chest...

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Published inKyobu geka. The Japanese journal of thoracic surgery Vol. 76; no. 5; p. 400
Main Authors Otaka, Shingo, Fuwa, Kosaku, Nakagaki, Shota, Obi, Hayato, Sotokawa, Masami, Seki, Koji, Ueda, Tetsuyuki
Format Journal Article
LanguageJapanese
Published Japan 01.05.2023
Subjects
Arterio-Arterial Fistula - diagnostic imaging
Arterio-Arterial Fistula - etiology
Arterio-Arterial Fistula - surgery
Coronary Aneurysm - complications
Female
Fistula - surgery
Humans
Mammary Arteries - diagnostic imaging
Mammary Arteries - surgery
Middle Aged
Pulmonary Artery - abnormalities
Pulmonary Artery - diagnostic imaging
Pulmonary Artery - surgery
Tomography, X-Ray Computed
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Summary:An internal mammary artery to pulmonary artery (IMA-PA) fistula is a very rare vascular abnormality. Patients with this disease are often asymptomatic, but they may develop symptoms such as heart failure and hemoptysis. A 60-year-old woman was incidentally diagnosed with left IMA-PA fistula by chest computed tomography (CT) during an examination for colon cancer. She was asymptomatic, but we determined that surgery was indicated because of the presence of an aneurysmal change. We performed complete surgical resection of the IMA-PA fistula and aneurysm under cardiopulmonary bypass. Her postoperative course was uneventful. Although a specific management strategy for IMA-PA fistula has not yet been established, surgical treatment should be performed to prevent rupture in cases with aneurysmal change.
ISSN:0021-5252