[Hemodynamic changes of the pulmonary circulation following closure of ventricular septal defects].
D002675:Child, Preschool; D006345:Heart Septal Defects, Ventricular / Q000601:surgery*; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D011652:Pulmonary Circulation; D014655:Vascular Resistance