Result:4 of 64 cases had radial artery angiography including 3 cases relieved with nitroglycerin injection and 1 case treated with transfemoral artery coronary angiography.

• 结果:64例病人4例出现桡动脉痉挛,其中3例注入硝酸甘油后缓解,1例改肱动脉穿刺。