DIStal Versus COnventional Radial Access for COMPLEX Large-bore Percutaneous Coronary Intervention

The use of the distal radial artery has recently emerged as a promising alternative access route to further reduce the risk of radial artery occlusion (RAO) and has been endorsed by recent International Consensus documents. The feasibility of a distal radial access (DRA) for coronary angiography and/or PCI has been demonstrated in several observational clinical registries and small-sized randomized clinical trials. In the recent prospective, multicenter, open label, randomized, controlled DIStal vs Conventional RADIAL access (DISCO RADIAL) trial, DRA was associated with low and similar rates of RAO at discharge when compared to conventional TRA among patients undergoing coronary angiography and/or PCI. There is however limited evidence on the feasibility and safety of 7F DRA for PCI. In a prospective, multicenter, observational study including 41 patients undergoing CTO PCI using a left DRA with a 7F GLIDESHEATH SLENDER® (Terumo Corp., Tokyo, Japan), technical success was achieved in 90.3% of patients and procedural success was achieved in 78.1% of patients. No post-procedural DRA RAO were detected by clinical assessment and Doppler ultrasound examination, and no radial artery occlusions at the site of the forearm were found. Doppler ultrasound imaging of the DRA at one month was available in 67.6% of patients, with only one case (4.3%) of DRA RAO. This proof-of-concept study demonstrates that DRA using a 7F GLIDESHEATH SLENDER® (Terumo Corp., Tokyo, Japan) for CTO PCI is fe…

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Véronique Menoni  ·  +41795530516  ·  veronique.menoni@hug.ch

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