The aim of this study was to evaluate the patency of the proximal and distal radial artery after coronary procedures performed via the distal radial artery (DRA). Ultrasound (US) as the most reliable method was used to diagnose radial artery occlusions (RAO). We evaluated 115 patients who underwent catheterization via distal radial access (dTRA). Following the procedure and after successful hemostasis (80 ± 36 min), arterial patency and diameter at conventional transradial access (cTRA) and distal puncture sites (either in the anatomical snuffbox or the dorsal distal RA) were assessed. No RAO were found in the proximal or distal RA and there were no significant other complications. The mean diameter of the radial artery at conventional puncture site was 2.86 ± 0.49 mm and at distal puncture site 2.31 ± 0.47 mm (p < 0.001). Postprocedural compression time of dTRA was very short. In conclusion distal radial access was associated with the absence of early arterial occlusion, significant local bleeding and other relevant complications.

Department of Cardiology University Hospital and Faculty of Medicine Pilsen Charles University Alej Svobody 80 304 60 Pilsen Czech Republic

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