What are the AHA/ACC guidelines on the evaluation of the right ventricle-pulmonary artery (RV-PA) conduit in tetralogy of Fallot (TOF)?

Updated: Nov 13, 2018
  • Author: Shabir Bhimji, MD, PhD; Chief Editor: Yasmine S Ali, MD, FACC, FACP, MSCI  more...
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Answer

Coronary artery compression testing with simultaneous coronary angiography and high-pressure balloon dilation in the conduit is indicated before RV-to-PA conduit stenting or transcatheter valve placement.

In patients with stented RV-to-PA conduits and worsening pulmonary stenosis (PS) or PR, evaluate for conduit complications, including fluoroscopy to evaluate for stent fracture and blood cultures to assess for infective endocarditis.

In adults with RV-to-PA conduit and arrhythmia, congestive heart failure, unexplained ventricular dysfunction, or cyanosis, cardiac catheterization is reasonable to assess the hemodynamics.


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