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Updated: May 5, 2026

Technical Aspects of the Mouse Aortocaval Fistula
Published on: July 11, 2013
[Aortic prosthetic valve endocarditis with aorto-left atrium fistula; report of a case]
Junji Nakazawa1, Shuichi Naraoka, Toshiyuki Maeda
1Department of Cardiovascular Surgery, Hokkaido Prefectural Kitami Hospital, Kitami, Japan.
Abstract:
An 83-year-old man had undergone aortic valve replacement (AVR)[CEP Magna 21 mm] and coronary aortic bypass grafting (CABG)[left internal thoracic artery (LITA)-left anterier descending artery( LAD)] 2 years ago in our hospital. He was admitted for fever of unknown origin and developed a stroke to another hospital. The echocardiography and computerized tomography showed an abscessaround the aortic prosthetic valve. Prosthetic valve endocarditis (PVE) was diagnosed, and he was transferred to our hospital for surgical treatment. Three days after admission, acute heart failure developed that led to an emergency operation. When the ascending aorta was dissected, an aorto-left atrium fistula and vegetation were recognized. Aortic valve replacement and patch plasty of the aorto-left atrium fistula were performed successfully. This case was diagnosed as PVE with aorto-left atrium fistula, which is quite a rare complication of PVE.
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