Several factors that influence rv pa conduit reintervention risk have been identified these include the patient s age and weight the underlying anatomy the quality of the branch pulmonary arteries and of.
Rv pa conduit change.
Most conduits in this adult cohort met size criteria for ppvi thereby offering these patients a potential alternative to surgical intervention for conduit failure.
Freedom from conduit reoperation after conduit 2 called conduit 3 was 80 at 5 years and 39 at 10 years.
The question of the ideal rv pa conduit has been extensively investigated and needless to say a perfect rv pa conduit does not exist.
Background the use of a right ventricle to pulmonary artery rv pa conduit in the norwood procedure has been proposed to increase postoperative hemodynamic stability.
The cove point foundation congenital heart resource center is the world s largest resource for information on pediatric and adult congenital heart disease.
Rv pa conduits are also part of a many complex surgeries for congen ital heart disease including the ross procedure.
Patients in the bts group received a 4 mm shunt.
Cove point contains comprehensive information on all congenital heart defects including atrial septal defect asd ventricular septal defect vsd hypoplastic left heart syndrome hlhs and tetralogy of fallot tof.
Comparisons between rv pa and bts groups showed no difference for weight gestational age prenatal diagnosis hlhs variant associated diagnoses ascending aortic size ventricular function av valve function and pulmonary venous obstruction.
A valve within the conduit should further decrease rv volume load.
In total correction the vsd is closed and rv pa conduit is interposed between the rv and the distal pulmonary artery which was excised from the truncal artery b in ross procedure 2 aortic valve replacement is performed with a pulmonary autograft and a valved conduit is used as a substitute for it fig.
Methods and results from february 2002 through august 2005 we performed 88 consecutive norwood.
We report our clinical experience with this modification.
In conclusion multiple rv pa conduit revisions were required in patients who survived to adulthood with many replacements taking place during adolescence.
A right ventricle to pulmonary artery rv pa conduit is a means to supply blood flow to the lungs.
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.