Rv Pa Conduit Replacement

At our institution transcatheter conduit dilation and or stenting is often performed in an effort to relieve rv pa conduit obstruction and to minimize rv work before referral for conduit reoperation.

Rv pa conduit replacement. Freedom from second reoperation for conduit obstruction was significantly higher in group a patients at 5 and 8 years p 0 04 and those with xenografts rather than homograft p 0 04. Ellen rawlinson natalie forshaw in a practice of anesthesia for infants and children sixth edition 2019. The short lifespan of right ventricle to pulmonary artery rv pa conduits used in repairs of complex congenital heart defects makes future surgical replacement inevitable. Complete repair for pulmonary atresia usually necessitates the insertion of a conduit which is a tube containing a valve placed to connect the right ventricle to the pulmonary artery.

Background right ventricle to pulmonary artery rv pa homografts and bioprosthetic conduits are commonly used to palliate various types of complex congenital heart disease. Our results support the optimal surgical approach for rv pa conduit obstruction is total replacement with a xenograft. Freedom from conduit reoperation after conduit 2 called conduit 3 was 80 at 5 years and 39 at 10 years. The melody valve medtronic inc minneapolis mn is.

Rv pa conduits are also part of a many complex surgeries for congen ital heart disease including the ross procedure. See article page 432. This is a 17 year old who was born with complex congenital heart disease as well asprematurity. Given the lack of an ideal rv pa conduit valveless right ventricular outflow tract repair options should be reassessed.

Complete repair for pulmonary atresia is usually carried out after the first year of life though sometimes it may be performed earlier. Bonhoeffer and colleagues 29 first described the technique of replacing a dysfunctional valve in a right ventricle to pulmonary artery rv pa conduit with a catheter implanted valve in 2000. A right ventricle to pulmonary artery rv pa conduit is a means to supply blood flow to the lungs. They can be placed for a variety of heart defects including tetralogy of fallot pulmonary atre sia or pulmonary stenosis.

He was diagnosed at birth with complex congenital heart disease with tetralogy of fallot and pulmonary atresia as well as prematurity weighing 1 kg. Percutaneous pulmonary valve implantation ppvi now offers an attractive alternative to surgery in some patients. These conduits frequently develop progressive obstruction and require surgical replacement. Nonsurgical pulmonary valve replacement.

This report reviews our experience implanting balloon expandable stents to relieve conduit obstruction and delay reoperation.