Methods:Retrospective analysis was performed in 689 patients undergoing diagnostic coronary angiography by transradial approach,either with 5F Judkins catheter(Judkins group,n=363)or 5F universal catheter(universal group,n=326).

• 方法 :选择经桡动脉径路冠状动脉及左心室造影患者 6 89例 ,按其造影时首先选用 5FJudkins型造影导管抑或 5F共用型造影导管分为Judkins型导管组 (n =36 3)和共用型导管组 (n =32 6 )。