• Luiz Fernando Ybarra, Henrique B Ribeiro, and Whady Hueb.
• Instituto do Coração, Hospital das Clínicas da Faculdade de Medicina, Universidade de São Paulo, Rua Peixoto Gomide 1653, São Paulo-SP, Brazil. lfybarra@gmail.com
• J Invasive Cardiol. 2012 Nov 1; 24 (11): E303-4.

AbstractFistulas between coronary artery and bronchial artery may be present from birth, with few hemodynamic consequences, and may remain closed due to similarity of the filling pressures at these 2 sites. They can also be secondary to pulmonary artery occlusive disease or chronic pulmonary inflammation. These pulmonary changes may cause a dilation of the fistula and make it functional, causing angina pectoris by coronary steal syndrome, which is the most common symptom. The presentation may also be composed of episodes of hemoptysis, heart failure, and infective endocarditis. However, most patients remain asymptomatic. The ones that need treatment may not have a good response to the medical management, requiring an intervention. This can be done using embolization coils, stents grafts, and performing surgical ligation of the fistulas.

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