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Published on: August 1, 2025
Pseudoaneurysm following modified Blalock-Taussig shunt: a rare complication mimicking pulmonary disease
Yupada Pongprot1, Suchaya Silvilairat, Surin Woragidpoonpol
1Division of Cardiology, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
Abstract:
The authors report a pseudoaneurysm in a 2-year-old boy presenting with fever, increasing cyanosis and right upper lung shadowing on a chest radiograph at six weeks following modified Blalock-Taussig shunt surgery. Echocardiography and a CT scan of the chest revealed a large pseudoaneurysm originating from the right subclavian artery at the proximal insertion of modified Blalock-Taussig shunt. The patient underwent aneurysmal resection, Blalock-Taussig shunt removal, right subclavian artery ligation and the creation of a central shunt between the ascending aorta and main pulmonary artery. Unfortunately, the patient died 3 hours after the operation.
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