Rv Pa Conduit Stenosis

Mechanism of conduit failure includes conduit stenosis conduit regurgitation aneurysm formation and infectious endocarditis.

Rv pa conduit stenosis.

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. Forty nine patients mean age 27 8 years with pulmonary atresia or pulmonary stenosis with tetralogy of fallot who underwent surgery for rv pa conduits from september 1974 to october 2011 were reviewed. Right ventricle to pulmonary artery rv pa conduit a right ventricle to pulmonary artery rv pa conduit is a means to supply blood flow to the lungs. The location of the conduit stenosis was significantly different in the patients with non ringed proximal and the patients with ring enforced conduit distal p 0 004.

The majority of the conduit replacements were due to conduit stenosis valvular stenosis mainly due to leaflet calcification distal anastomosis stenosis sternal compression and somatic outgrowth 5 9 conduit stenosis was responsible for failure in 53 of. Rv pa conduit stenosis after 9 years of type i truncus conduit repair. Rv pa conduits are also part of a many complex surgeries for congen. See article page 432.

Fortunately conduit regurgitation can be tolerated much longer than conduit stenosis and the current addition of transcatheter pulmonary valve implants has eliminated this problem in larger children with larger conduits. Fifteen patients 16 were diagnosed with rv pa conduit stenosis that required treatment. The cove point foundation congenital heart resource center is the world s largest resource for information on pediatric and adult congenital heart disease. They can be placed for a variety of heart defects including tetralogy of fallot pulmonary atre sia or pulmonary stenosis.

Between january 1993 and august 2003 114 patients underwent 141 reoperations for rv pa conduit obstruction diagnoses included truncus arteriosus n 52 pulmonary atresia. 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. To identify the surgical approaches and risk factors which influence longevity of right ventricle to pulmonary artery rv pa conduits following first reoperation for obstruction methods.