title: Patent oval foramen protects against severe hemodynamic changes during percutaneous balloon pulmonary valvoplasty.
abstract: Our report concerns three adult patients with severe valvar pulmonary stenosis, who also had a patent oval foramen. In these cases the percutaneous balloon pulmonary valvoplasty only led to moderate hemodynamic changes without major subjective symptoms.
mesh_terms: D000328:Adult; D000800:Angioplasty, Balloon; D001794:Blood Pressure; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D007431:Intraoperative Complications / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D011664:Pulmonary Valve / Q000503:physiopathology; D011666:Pulmonary Valve Stenosis / Q000503:physiopathology / Q000628:therapy*