“…Iatrogenic communications between the aorta and pulmonary artery (PA) are uncommon, but can result from various causes, including trauma, complications of central venous catheters or cannulation for cardiopulmonary bypass, aortic pathology or surgery, and transcatheter intervention . An iatrogenic aortopulmonary (AP) communication after transcatheter intervention on the pulmonary circulation, such as balloon pulmonary arterioplasty, PA stent implantation, or transcatheter pulmonary valve replacement (TPVR), is an unusual and unpredictable complication that may be difficult to recognize.…”