Mitral valvotomy in childhood.
D000293:Adolescent; D000367:Age Factors; D002114:Calcinosis / Q000150:complications; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications; D007223:Infant; D008297:Male; D008944:Mitral Valve Insufficiency / Q000150:complications; D008946:Mitral Valve Stenosis / Q000150:complications / Q000601:surgery*; D011183:Postoperative Complications / Q000401:mortality; D011651:Pulmonary Artery; D044469:Racial Groups; D012008:Recurrence; D012213:Rheumatic Fever / Q000150:complications; D014655:Vascular Resistance