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背景:由于冠状动脉灌注主要发生在心动周期的舒张期,如果舒张压低于临界水平则冠心病(CAD)患者发生冠状动脉事件的风险增高。目的:确定在此类人群中低血压是否与增高的死亡率和发病率有关。设计:对1997年9月至2003年2月间进行的INVEST(国际维拉
BACKGROUND: Because coronary perfusion occurs primarily during the cardiac phase of diastole, the risk of coronary events is elevated in patients with coronary artery disease (CAD) if diastolic blood pressure falls below a critical level. PURPOSE: To determine if hypotension is associated with increased mortality and morbidity in these populations. Design: INVEST (International Vera, September 1997-February 2003)