In the radial artery pathway group, 12 cases (15%) suffered ecchymosis, 9 cases (11.3%) suffered ecchymomas, and 5 cases (6.3%) felt obvious pain and engorgement.

• 桡动脉组皮下淤血12例占15%25、皮下血肿9例占11.；3%25、明显疼痛与肿胀5例占6