METHODS From January of 2003 to July of 2005,PCI was conducted with JR or JL/AL guiding by radial or JR/AL by femoral approach in. 305 cases with right coronary chronic total occlusion.

• 方法2003年1月至2005年7月右冠状动脉慢性闭塞行PC I者305例,分别采用桡动脉JR,AL/JL导管法和股动脉JR/AL导管法PC I。