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In 2015, The European Society of Cardiology for Acute Coronary Syndrome recommended that Class I use radial as the preferred access method for any percutaneous coronary intervention regardless of clinical presentation. However, the use of TRA is associated with some complications: radiation artery occlusion (RAO) (The reported incidence of RAO is highly variable in the range of 2-11%, radial arterial spasm, radial arterial perforation, radial artery pseudoaneurysm, arteriovenous fistula, bleeding, nerve damage, and complex regional pain syndrome. Limited data are available regarding the technique of distal radial access, complications, and potential benefits. The purpose of our study is to compare the incidence of radial artery occlusion between distal radial and conventional radial access. The study included 292 patients (who underwent percutaneous coronary intervention)in who is felt pulsations at the site of a puncture of the radial artery. Patients were followed one month after the procedure, with Doppler ultrasonography or access from the same artery. After a month, the occlusion of the radial artery occurred in 8 (5.7%) patients in conventional radial access, there was no occlusion of the radial artery in the distal radial access group. This investigation shows that distal radial access is associated with a lower incidence of occlusion of the radial artery.