【摘 要】
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Background To evaluate the clinical efficacy of transcatheter closure of patent ductus arteriosus (PDA) with severe pulmonary hypertension using domestic occluder in adults.Methods From June 2000 to J
【机 构】
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Department of Cogenital Heart Disease,General Hospital of Shenyang Military Region of PLA,Shenyang 1
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Background To evaluate the clinical efficacy of transcatheter closure of patent ductus arteriosus (PDA) with severe pulmonary hypertension using domestic occluder in adults.Methods From June 2000 to June 2011, 82 adult patients (13 male, 69 females) were treated by transcatheter closure with domestic occluder.Patients mean age was 36.6years (ranging 18 to 60 years) and the mean PDA diameter at its narrowest segment was 9.6±2.6 (ranging 6.0 to 16.0) mm.Six patients were treated with sildenafil and/or bosentan before PDA closure.All patients accepted contrast examination of aorta arch-descendens before transcatheter treatment.Patients were classified according to Krichenko grouping method, type A consisted of 35 patients, type B consisted of 4,type C 40 cases, and type E 3 cases.Duct oecluder was used in 58, atrial septal defect closure device in 3 and muscular ventricular septal defect closure device in 5.The achievement of permanent transcatheter closure was decided according to the change of the pulmonary arterial pressure, aortic pressure and oxygen saturation.
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