4Thanopoulos BD,Karanassion E,Tsaousis G,et al.Catheter closure of congenital/acquired muscular ventricularVSDs and perimembranous VSDs using the Amplatzer devices[J].J Interv cardiol,2003,16(5):399.
3Lock JE, Block PC, Mckay RG , et al. Transcatheter closure of ventricular septal defects. Cixculation, 1988,78:361-368.
4Bridges Nancy D, Perry Stanton B, Keane John F, et al.Preoperative tnmscatheter closure of congenital muscular ventricular septal defects. N Eng Med. 1991.324:1312-1317.
5Kalra Gureharan S, Verma Puneet K, Khall Anil, et al.Transcatheter device closure of ventricular septal defects:immediate results and intermediate-term follow-up. Am Heart J, 1999, 138:339-444.
6Amin Zalid, Gu Xiaoping, Berry James M, et al. New device for closure of muscular ventricular septal defects in a canine model.Circulation, 1999,100:320-328.
7Leung MP, Mak CK, Lo RNS, et al. An echocardingraphic study perimembranous ventricular septal defect with left ventricular to right atrial shunting. Br Heart J, 1986,55:45-52.
4BUTERA G, CARMINATI M, CHESSA M, et al. Transcatheter closure of permembranous ventricular septal defects : early and long-term results[J]. J Am Coil Cardiol, 2007, 50(12) : 1189 -1195.
