Coil occlusion has become an accepted alternative treatment for small to moderate sized patent ductus arteriosus (PDA). Gianturco coils (Cook Cardiology, Inc., Bloomington, Indiana) are small, coiled spring wires with fabric strands woven into the springs. They are available in standard 0.035´´, 0.038´´ and 0.052´´ sizes. The accurate placement of coils in a PDA may be a challenging and frustrating task to the interventionalist, especially in the large ductus (>= 4 mm). Multiple alternative techniques for coil delivery have been devised to improve the success rate of ductus closure. Som... continue reading about Coil Closure of the Large Patent Arterial Duct: Cheap, But How Easy and Effective?