Zbigniew Kordon

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Muscular ventricular septal defects (VSD) located below the trabecula saepto-marginalis are difficult to approach for surgical closure through the tricuspid valve. We present the hybrid technique of perventricular closure of VSD in 2- and 5-year old children with complex congenital heart defects, employing an Amplatzer septal occluder, dedicated to(More)
We describe a successfully treated pseudoaneurysm of the ascending aorta in a 2-month-old infant after a previous operation due to hypoplastic left heart complex. After a rapidly progressing respiratory tract obstruction as a first symptom, echocardiography revealed a huge aneurysmal formation originating from the anterior and right lateral wall of the(More)
This paper presents the echocardiographic assessment of early and midterm results of transcatheter closure of a narrow patent ductus arteriosus (PDA) in children using Jackson and Gianturco coils. The preliminary criterion for qualifying patients for the procedure was the PDA diameter (< or = 4 mm) at the narrowest site, as assessed echocardiographically.(More)
UNLABELLED Renal replacement therapy has become a recognized treatment modality of children with chronic renal failure (CRF). Despite of unquestionable progress in heamodialysis treatment quite high morbidity and mortality still remain a serious problem among pediatric patients. The most common cause of death in haemodialyzed and transplanted patients are(More)
OBJECTIVES The right ventricle-to-pulmonary artery (RV-PA) shunt in the Norwood procedure (NP) for children with hypoplastic left heart syndrome (HLHS) provides stable haemodynamics and improves interstage survival. The aim of the study was to find the effect of RV-PA placement on pulmonary artery development after the NP. METHODS A prospective,(More)
BACKGROUND Right atrial involvement in children with Wilms' tumor (nephroblastoma) is a very rare phenomenon. CASE REPORT The authors present four children with nephroblastoma, in whom the tumor involved the inferior vena cava and the right atrium. In two children the intracardiac tumor extension was asymptomatic, while the other two had Budd-Chiari(More)
UNLABELLED Hypoplastic left heart syndrome (HLHS) encompasses hypoplasia or atresia of the left ventricle, stenotic or artretic aortic and mitral valves and hypoplasia of the ascending aorta. The aim of the 1-st stage operation called the modified Norwood procedure is reconstruction of the systemic flow, providing an adequate pulmonary flow and relieving(More)
Cardiovascular diseases remain the most frequent cause of morbidity and mortality in patients with chronic kidney disease (CKD). The aim of the study was to assess the association between oxidative stress biomarkers and cardiovascular risk factors and left ventricular hypertrophy in children with CKD. Material and Methods. The studied group consisted of 65(More)