Author Concept Challenges
Rodefeld et al (Reference 3)
Viscous impeller pump based on the Von Karman viscous pump principle
Design of expandable impeller Need for reduced scale in children Risk of hemolysis Risk of thrombosis
Lacour-Gayet et al (Reference 4)
Low pressure axial flow pump (‘artificial RV’) powered by electricity to produce a continuous low suction inflow pressure on the venous side
Requires reconfiguration of existing Fontan circuit Requires open heart surgery for implantation Risk of hemolysis Risk of thrombosis
Pekkan et al (Reference 5)
Implantable integrated aortic turbine venous assist system based on transfer of energy from single ventricle outlet to the venous side to reduce the venous pressure
Need for reduced scale in children Risk of turbine flow pathway blockage Risk of hemolysis Risk of thrombosis