【摘要】 心力衰竭的患病率和病死率近年来呈上升趋势。压力-应变环技术实现非侵入性地评定心肌做功，可量化评估局部和整体的心肌功能，是现阶段心血管疾病早期发现和预后评估的新技术。该技术具有良好的可行性和可重复性，在评估心力衰竭患者的病情严重程度、疾病早期诊断和预后方面有巨大的潜在价值。更多还原

【Abstract】 The prevalence and mortality of heart failure are on the rise in recent years.Pressure-strain loop technique can realize non-invasive evaluation of myocardial work, which can evaluate local and overall myocardial function quantitatively.It is a new technique for early detection and prognosis evaluation of cardiovascular disease at this stage.This technique has good feasibility and repeatability, and has great potential value in evaluating the severity, early diagnosis and prognosis of patients with heart failure.更多还原