运动压力心电回声学预测高压心肌病的不良心血管事件:5年前性研究
Ye Su1,2, Chunmei Li1,2, Qionghui Peng1,2
1Department of Cardiovascular Ultrasound & Noninvasive Cardiology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, 610031 Chengdu, Sichuan, China.
运动压力回声心电图识别了左心房水库应变受损和左心室全球纵向应变,作为高性心肌病患者心血管不良事件的独立预测因素. 这有助于早期风险分层和改善预后.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 遗传学 遗传学 是一个
背景情况:
- 增高性心肌病变 (HCM) 是一种遗传疾病,与年轻人突然心脏死亡有关.
- 左心房应变是各种心脏病中不良心血管事件的公认预测因素.
- 运动应激回声心脏图 (ESE) 用于识别HCM的早期高风险因素.
研究的目的:
- 用ESE在HCM患者中评估左心房应变和左心室全球纵向应变 (GLS) 的预测值.
- 识别HCM中不良心血管事件的早期高风险因素.
- 改善HCM患者的风险分层和长期预后.
主要方法:
- 142名HCM患者和80名对照人进行了ESE.
- 在5年的随访中,HCM患者被分为积极事件和非事件组.
- 评估左心室储应变 (LASr),静止和峰值运动中的GLS,以及应变储备.
主要成果:
- 积极事件组显示休息和峰值GLS和LASr显著受损,压力储备减少.
- R_4D_LASr,R_LASr_ED,P_LASr_ED和P_2D_GLS与积极事件有很强的相关性.
- 休息的4D左心房水库菌株 (R_4D_LASr) 和峰值的2D GLS (P_2D_GLS) 是积极事件的独立预测因素 (OR=0.655,OR=1.383).
结论:
- ESE为预测HCM心血管事件提供了关键数据.
- R_4D_LASr和P_2D_GLS是独立的预测指标,有助于临床评估和风险分层.
- 利用这些标记物可以导致个性化治疗,并改善HCM患者的长期结果.
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