RESUMEN
A 14-year-old female with complex congenital heart disease underwent a left-sided classical Blalock Taussig (BT) shunt 15 days after birth. Ten years after the operation her oxygen saturation had decreased significantly. An angiography revealed a severely stenosed BT shunt. Balloon dilation including implantation of a 6 x 13 mm stent was performed successfully. Immediately after intervention, oxygen saturation rose from 55% to 80 84% in room air. Follow-up at a year and a half later showed the classical BT shunt was still patent.
Asunto(s)
Prótesis Vascular , Cateterismo , Oclusión de Injerto Vascular/terapia , Stents , Adolescente , Femenino , Humanos , Oxígeno/sangre , Grado de Desobstrucción VascularRESUMEN
Changes in left ventricular dimensions and performance were studied in 43 patients after transcatheter occlusion or surgical ligation of patent ductus arteriosus. The patients were assigned to 2 groups based on their ductal diameter: >/= 3.1 mm to group A (n = 27) and
Asunto(s)
Conducto Arterioso Permeable/cirugía , Complicaciones Posoperatorias , Disfunción Ventricular Izquierda/etiología , Cateterismo Cardíaco , Niño , Preescolar , Conducto Arterioso Permeable/diagnóstico por imagen , Conducto Arterioso Permeable/fisiopatología , Femenino , Estudios de Seguimiento , Humanos , Lactante , Masculino , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Volumen Sistólico/fisiología , Ultrasonografía , Disfunción Ventricular Izquierda/diagnóstico por imagen , Disfunción Ventricular Izquierda/fisiopatologíaRESUMEN
Different coils have been used to close the patient ductus arteriosus (PDA). In small- and moderate-sized PDA, coils are an adequate alternative to surgery and/or to other devices. The aim of the study is to review and discuss the advantages and disadvantages of using coils (excluding PFM coils PFM Medical, Germany) to close PDA. Cambier was the first to successfully close a PDA using a Gianturco coil. To date, thousands of patients worldwide have undergone transcatheter closure of PDA using this or other types of coils. The use of coils is analyzed with regard to costs in comparison with other therapeutic modalities; techniques--anterograde, retrograde approach, selection of coil size--in relation to the size of the PDA and the available sizes of coils; efficacy of the rate of complete occlusion and the need for reocclusion; and safety in relation to embolization rate, other complications including hemolysis, left pulmonary artery LPA stenosis and coarctation. It is concluded that coils are a cheap alternative for the occlusion of PDA in the small-to-moderate PDA. The technique can be learned quite quickly, it has a high rate of complete occlusion, and has an acceptable rate of safety. The disadvantages include a moderate rate of coil embolization and of hemolysis in patients with residual shunt after coil occlusion in large PDAs. When more than one coil is used, the potential for developing LPA stenosis is high.