John Gorcsan

May 22, 2024 | onlinelibrary.wiley.com | Michael Pfeiffer |John Boehmer |John Gorcsan |Shunsuke Eguchi

Introduction Interatrial shunt devices and catheters that create iatrogenic atrial septal defects (iASD) to decompress the left atrium in patients with heart failure (HF) are under investigation.1-7 Although most of these approaches create a shunt with orifice diameters that range from 0.6 to 1.0 cm, the actual orifice dimensions may vary depending on distortion caused by the topography of the interatrial septum or interventional placement methods.