Ventricular septal defect is a commonest congenital disease. This study was carried out to analyze early results of percutaneous closure of pm VSD with Lifetech occluder at National Hospital of Pediatrics. Between December 2010 and December 2011, 38 patients underwent percutaneous closure of pmVSD at NHP. The Lifetech VSD occluder was used for all subjects. The safety and the efficacy of the device were investigated. The results showed that: average age and weight at closure was 5 years (range 2.5 to 12 years) and 16 kg (range 11 to 34 kg). The size of VSD by echo and size of device used was 3.9 mm (range 3 to 6.2 mm) and 6 (range 5 to 8), respectively. The mean of systolic pulmonary pressure was 35 mmHg ( range 27 to 49 mmHg) , Qp/Qs: 1.3 ( range 1.2 to 1.5). Total occlusion rate was 97.4 percent at completion of the procedure, 1 patient had small residual shunt and closed after 4 months follow-up. During the perioperative period, no death, major bleeding, hemolysis or thromboembolism occurred in all patients. 15.8 percent trivial aortic regurgitation, 1 transient ventricular premature. None in our group had complete atrioventricular block (cAVB) in the early phase and during the follow-up. In conclusion, percutaneous pm VSD closure used VSD occluder is associated with excellent success and closure rates, no mortality, and low morbidity.
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