Failure of pulmonary artery banding due to migration of the band.
D001794:Blood Pressure; D002675:Child, Preschool; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000601:surgery; D006801:Humans; D007223:Infant; D009038:Motion; D011183:Postoperative Complications; D011651:Pulmonary Artery / Q000601:surgery*