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左心室缩的心声图和心电图诊断在老年男性中相互独立地预测死亡率.

J Sundström1, L Lind, J Arnlöv

  • 1Departments of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden. johan.sundstrom@geriatrik.uu.se

Circulation
|May 23, 2001
PubMed
概括

通过心声图 (Echo-LVH) 和心电图 (ECG-LVH) 检测到的左心室缩 (LVH) 为死亡率提供了独立的预后信息. 为全面的风险评估,建议将心电图和心声回声评估结合起来.

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科学领域:

  • 心脏病学 心脏病学
  • 预防医学 预防医学
  • 诊断成像 诊断成像 诊断成像

背景情况:

  • 左心室缩 (LVH) 与死亡风险增加有关.
  • 心声图 LVH (Echo-LVH) 和心电图 LVH (ECG-LVH) 是已知的风险指标.
  • 当ECG-LVH和高血压已知时,Echo-LVH的额外预后价值仍然不清楚.

研究的目的:

  • 确定Echo-LVH和ECG-LVH是否可以独立预测总和心血管死亡率.
  • 评估超越ECG-LVH和心血管风险因素的Echo-LVH的增量预后信息.
  • 评估这些LVH指标在高血压患者的预后价值.

主要方法:

  • 这是一项以人口为基础的研究,对475名70岁以上的男性进行了研究.
  • 随访时间中位数为5.2年.
  • 对回声心脏学左心室质量指数 (LVMI) 和ECG-LVH (康奈尔积>244 microV.s) 的分析,以预测死亡率和发病率.

主要成果:

  • LVMI预测了总和心血管死亡率,独立于ECG-LVH和其他风险因素.
  • ECG-LVH预测了总死亡率,独立于LVMI和其他风险因素.
  • 回声-LVH和心电图-LVH提供了补充的预后信息,特别是在高血压患者中.

结论:

  • 音响-LVH和心电图-LVH独立地预测死亡率,这表明它们具有不同的预后信息.
  • 超声心动图和心电图评估对于对LVH的全面风险评估至关重要.
  • 这些发现凸显了利用这两种诊断方式进行综合性心血管风险评估的重要性.