title: Balloon atrial septostomy via the umbilical vein.
mesh_terms: D001794:Blood Pressure; D006328:Cardiac Catheterization / Q000379:methods*; D006346:Heart Septum / Q000601:surgery*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010100:Oxygen / Q000097:blood; D011183:Postoperative Complications; D013923:Thromboembolism / Q000150:complications; D014188:Transposition of Great Vessels / Q000601:surgery*; D014471:Umbilical Veins
chemical_list: D010100:Oxygen