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  • Title: Pulmonary artery replacement for pulmonary Takayasu's arteritis.
    Author: Hamamoto M, Futagami D.
    Journal: Gen Thorac Cardiovasc Surg; 2012 Jul; 60(7):435-9. PubMed ID: 22544424.
    Abstract:
    Takayasu's arteritis is a chronic inflammatory disease that affects the pulmonary artery, as well as the aorta and its major branches. A 59-year-old man presented with a 2-month history of progressive exertional dyspnea. Further examination revealed marked wall thickening of the pulmonary trunk and bilateral proximal pulmonary artery, resulting in severe stenoses with high pressure gradient of 60 mmHg. The patient underwent graft replacement of the bilateral pulmonary artery and the pulmonary trunk with a 16-mm ring-supported extended polytetrofluoroethylene graft under extracorporeal circulation. Histopathological findings were consistent with Takayasu's arteritis with pulmonary artery involvement. After the operation, the pressure gradient decreased to 6 mmHg and the patient was free from exertional dyspnea.
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