Intracardiac Echocardiography as a Guide for Transcatheter Closure of Patent Ductus Arteriosus
PDA measurement methods in LPA view using ICE. (A) The pulmonary artery side diameter of the PDA. (B) The lower contour PDA length between the end of the PA and the starting point of the aortic ampulla. (C) The aortic side diameter of the PDA. Ao, aorta; ICE, intracardiac echocardiography; PA, pulmonary artery; PDA, patent ductus arteriosus; LPA, left pulmonary artery.