“…If treated surgically, fistulous tract formation was not associated with increased in-hospital mortality. 10 There are aorto-atrial and aorto-ventricular fistulas secondary to trauma of the chest, [11][12][13][14][15][16][17] ruptured aneurysms of the sinus of Valsalva, 18 aortic dissection, [19][20][21][22][23] congenital fistulae between the aorta and right atrium, 24 or ventricle 25 anomalies of coronary arteries. 26 Aorto-right ventricular fistulas may be iatrogenic in origin and develop as a result of surgical intervention, especially AVR, 27,28 although they may also develop after other cardiac surgeries including heart transplantation 29 and repair of dissection of the ascending aorta.…”