University of Caen, Caen, France
In the current issue of EuroIntervention Kazunori Horie et al1 report the results of an open-label, single-centre randomised study, comparing incidences of radial artery spasm during transradial coronary interventions (TRI) and post-procedural radial artery occlusion (RAO) using either a 6.5 Fr sheathless hydrophilic-coated guiding catheter or a 6.0 Fr Glidesheath Slender® (Terumo Corp., Tokyo, Japan).
In keeping with previous data2, they found that sheath/radial artery diameter predicts both post-procedural radial artery occlusion and the occurrence of radial artery spasm during the procedure. The outer diameter of the 6.5 Fr sheathless device is in fact smaller than the 6.0 Fr Glidesheath Slender ...
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