Congenital, Diagnostic procedure, CT, Cardiac
M. Tezza1, M. Witsenburg2, K. Nieman2, P. van de Woestijne2, R. P. J. Budde2; 1Verona/IT, 2Rotterdam/NL
Percutaneous pulmonary valve implantation (PPVI) is used to treat pulmonary valve dysfunction after correction of congenital heart defects.
Coronary compression is a feared complication of PPVI and it is seen in about 5% of patients during test balloon inflation before PPVI is performed.
To avoid this severe complication,
aortic root or selective coronary angiography is routinely performed with simultaneous test high-pressure balloon inflation in the pulmonary valve landing zone prior to pre-stenting a PPVI.
Non-invasive cardiac CT is often suggested for pre-procedural imaging in PPVI,
but at present there is no uniform opinion about its usefulness.
We assessed the distance between the coronary arteries and the pulmonary trunk/conduit in patients who underwent cardiac CT prior to PPVI and the effect of cardiac phase on the distance measurements.