100
Participants
Start Date
January 31, 2013
Primary Completion Date
January 31, 2014
Study Completion Date
December 31, 2015
Enterprise stent implantation
Enterprise stent system (Johnson \& Johnson (Shanghai) Medical Equipment Co.,Ltd., China) is a closed loop self-expanding stent system that is made of Ni-Ti alloy. It consists of a self-expanding stent and a delivery system.
Only aspirin medication
Only aspirin medication will be conducted, initial dose is 300 mg/d, 200 mg/d 6 months later, and 100 mg/d 1 year later.
Beijing Chao Yang Hospital
OTHER