11，Hugh DA,Robert HB,ArthurG,et al.Pediatric therapeutic cardiac catheterization:A statement for health careprofeessionals from the council on cardiovascular disease in theyoung.Circulation,1998,97(6):609
22，Rao Ps,Langhough R.Relationship of echocardiographic,shunt flow and angiographic sizeto the stretched diameter of atrial septal defect.Am Heart J,1991,42(4):505
33，Magni G,Cao QL,Sugeng L,et al.Volume-rendered,three-dimensional echocardiographicdetermination of the size,shape and position of atrial septal defects:Validation in anvitro model.Am Heart J,1996,129(2):376
44，Chiang CW,Su WJ,Hsu LA,et al .Transcatheter closure of atrial septal defect guided byonline transesophageal echocardiography.Proc Natl Sci Counc repub China B,1998,22(4):144
55，Maeno Yv,Benson LN,boutin C.Impact of dynamic 3D transoesophageal echocardiography inthe assessment of atrial septal defects and occlusion by the double-umbrelladevice(CardioSEAL).Cardiol Young,1998,8(3):368
66，Basil DT,Cleo VL,george ST,et al.closure of atrial septal defects with the AmplatzerOcclusion Device:Preliminary Results.JACC,1998,31(5):1110
77，Masura J,Gavora P,formanek A,et al.Transcatheter closure of secundum atrial septaldefects using the new self-centering Amplatzer septal occluder:initial humanexperience.Cathet Cardiovasc Diagn,1997,42(4):388
