168
Participants
Start Date
January 31, 2014
Primary Completion Date
June 30, 2015
Study Completion Date
June 30, 2016
DES group
all the participants in this group will be performed with drug -eluting stents
BMS group
all the participants in this group will be performed with bare-metal stents
Department of neurosurgery, Xuanwu hospital, Beijing
Xuanwu Hospital, Beijing
OTHER