A two-month-old male infant with tetralogy of Fallot underwent a right-sided modified Blalock-Taussig shunt using a 4 mm expanded polytetrafluoroethylene graft through a right thoracotomy. Five months later, the patient developed otitis media, followed by repeated relapses of pneumonia and fever of unknown origin. Multidetector-row computed tomography and angiography, performed at 12 months of age, revealed a pseudoaneurysm of the subclavian artery at the insertion of the modified Blalock-Taussig shunt. After 20 days of antibiotic therapy, the pseudoaneurysm and infected graft were successfully resected through a median sternotomy approach. This report describes the treatment strategy of this rare but potentially fatal complication after a modified Blalock-Taussig shunt operation.
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Article Synopsis
- The study examined the use of right ventricular outflow tract (RVOT) stenting versus the modified Blalock-Taussig shunt (mBTS) as treatments for children with stenotic RVOTs aged 1 to 18, revealing limited literature on their comparative effectiveness.* -
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- Overall, RVOT stenting showed comparable results to mBTS concerning MACE and oxygen saturation levels at discharge, suggesting it could be a viable option for palliation in this patient population.*
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