Clinical characteristics and prognostic importance of anticoagulant use in ischemic left ventricular aneurysm: a retrospective cohort study oleh Qin-Fen Chen, Liangguo Wang, Christos S. Katsouras, Mengge Gong, Chenyang Liu, Liyou Lian, Xiaoyan Chen, Xuemeng Zhu, Chen Chen, Xiaofang Feng, Wei-Hong Lin, Xiao-Dong Zhou