Task: Answer Verification
Input (English): Question: Do trendelenburg position , simulated Valsalva maneuver , and liver compression alter the size of the right internal jugular vein in patients with a bidirectional Glenn shunt?
Answer: Position changes and enhancement maneuvers are unlikely to facilitate RIJV cannulation in BDG shunt patients presenting for Fontan procedure because these interventions do not increase RIJV CSA.
Output (English): no