Percutaneous pulmonary and tricuspid valve implantations: An update

Table 1 Devices and delivery systems for percutaneous pulmonary valve implantation

	The MELODYTM transcatheter pulmonary valve	The SAPIENTM pulmonic transcatheter heart valve
Manufactor	Medtronic Inc., MN, United States	Edwards Lifesciences LLC, Irvine, CA, United States
Regulatory approval	CE 9/2006 FDA 01/2010	CE 5/2010 FDA 10/2012
(Tissue) characteristics	Segment of bovine jugular vein with a central valve hand-sewn inside a stent	Trileaflet bovine pericardial valve hand-sewn inside a stent
Stent type	Cheatham platinum stent (NuMED CP Stent CP8Z34) Length 34 mm Expandable up to 22 mm	Stainless-steel stent Length of 14 or 16 mm
Available sizes	18, 20, 22 mm (depending on the favoured EnsembleTM delivery (system)	23, 26, (XT 29a ) mm
Delivery system	EnsembleTM (Medtronic, MN) with balloon in balloon (BiB) deployment design	Edwards RetroflexTM III containing a balloon catheter and a deflectable guiding catheter
Sheats for implantation	One-piece 22 Fr Teflon sheath	(18 Frb) 22 Fr for 23 mm valves (19 Frb) 24 Fr for 26 mm valves (16 Frb) 24 Fr for 29 mm XT valves

Technical comparision of the commercially available devices for percutaneous pulmonary valve implantation: the MELODY^TM device and the SAPIEN^TM pulmonic transcatheter heart valve as non-surgical treatment options for RV outflow tract dysfunction (^a“Off label-use” in pulmonary position;

^bManufacturer’s data given for the Edwards eSheath^TM). RV: Right ventricle.