Background : the elderly are often excluded from clinical trials of nste - acs and are underrepresented in clinical registries 背景：老年患者通常既往nste - acs临床研究通常将老年人排除在外，老年人临床注册研究中不具代表性。
2.
Objectives : the goal of this work was to explore the treatment and outcomes of patients with non ? st - segment elevation acute coronary syndromes ( nste - acs ) age 90 years 目的：本研究旨在探讨90岁以上非st段抬高急性冠脉综合征（ nste - acs ）患者的治疗措施及预后。
