Rv Pa Conduit Replacement

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.

Rv pa conduit replacement.

This report reviews our experience implanting balloon expandable stents to relieve conduit obstruction and delay reoperation. Background right ventricle to pulmonary artery rv pa homografts and bioprosthetic conduits are commonly used to palliate various types of complex congenital heart disease. Freedom from conduit reoperation after conduit 2 called conduit 3 was 80 at 5 years and 39 at 10 years. Reconstruction of right ventricle to pulmonary artery rv pa continuity is an integral part of various surgical procedures commonly performed in neonates and young infants to repair congenital.

They can be placed for a variety of heart defects including tetralogy of fallot pulmonary atre sia or pulmonary stenosis. This is a 17 year old who was born with complex congenital heart disease as well asprematurity. Nonsurgical pulmonary valve replacement. The melody valve medtronic inc minneapolis mn is.

He was diagnosed at birth with complex congenital heart disease with tetralogy of fallot and pulmonary atresia as well as prematurity weighing 1 kg. Complete repair for pulmonary atresia is usually carried out after the first year of life though sometimes it may be performed earlier. These conduits frequently develop progressive obstruction and require surgical replacement. 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.

See article page 432. A right ventricle to pulmonary artery rv pa conduit is a means to supply blood flow to the lungs. 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. Our results support the optimal surgical approach for rv pa conduit obstruction is total replacement with a xenograft.

Rv to pa conduit pulmonary valve replacement rv muscle resection. 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. Ellen rawlinson natalie forshaw in a practice of anesthesia for infants and children sixth edition 2019. Rv pa conduits are also part of a many complex surgeries for congen ital heart disease including the ross procedure.

Given the lack of an ideal rv pa conduit valveless right ventricular outflow tract repair options should be reassessed.