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Copyright ©The Author(s) 2017.
World J Cardiol. Jul 26, 2017; 9(7): 574-582
Published online Jul 26, 2017. doi: 10.4330/wjc.v9.i7.574
Table 1 Traditionally used transcatheter aortic valve replacement guidewires (permission obtained)
GuidewireCore material and coatingWire guide diameter inchWire guide length (cm)Taper length (cm)Floppy tip length (cm)StiffnessPreshaped curveUse
Amplatz Extra Stiff wire (Cook Medical Inc.)PTFE-coated stainless steel0.03526073Least stiff3 cmTAVR device delivery Straightening of tortuous vessels Sheath insertion
Amplatz Super Stiff wire (Boston Scientific)PTFE-Coated Stainless Steel0.03526063Stiffer than Extra stiff1 and 3 cmStraightening of tortuous vessels Sheath insertion
Lunderquist Extra Stiff wire (Cook Medical Inc.)PTFE-Coated Stainless Steel0.035260 and 3007.54Stiffer than Amplatz extrastiff and superstiff4 cmStraightening of tortuous vessels Sheath insertion
Safari Guide wire (Boston Scientific)LUBRIGREENTM PTFE-Coated Stainless Steel0.035260 and 300Stiffness equal to Amplatz extrastiffSmall curve - 16 cm distal grind and 1.7 inch/4.25 cm curve Large curve - 18 cm distal grind and 1.9 inch/4.90 cm curveTAVR device delivery
Table 2 Internal and external diameter of large percutaneous sheaths (permission obtained)
ManufacturerSheathSheath internal diameter (F)Sheath outer diameter (mm)/prosthesis sizeMinimum vessel diameter (mm)
Edwards LifesciencesRetroFlex 3 introducer sheath228.4/23 Sapien7.0
249.2/26 Sapien8.0
NovaFlex introducer sheath166.7/23 Sapien XT6.0
187.2/26 Sapien XT6.5
208.0/29 Sapien XT7.0
Expandable Sheath1146.0/205.0
146.0/235.5
146.0/265.5
166.7/296.0
MedtronicInLine Sheath for Evolut R System114 F equivalent26.05.0
Gore medicalGORE® DrySeal Sheath13145.55.0
166.25.5
186.86.0
207.56.0
Terumo medical corporationSoloPath sheath131443.835/5.674 (11.5-17F)
1645.05/6.334 (15-19F)
1845.05/7.04 (15-21F)
1945.05/7.34 (15-22F)