相关实验视频
在社区内预测心力衰竭发病率的多标记方法
Raghava S Velagaleti1, Philimon Gona, Martin G Larson
1Framingham Heart Study, 73 Mount Wayte Ave, Framingham, MA 01702-5803, USA.
Circulation
|October 13, 2010
概括
一项研究确定了B型尿素和尿中的白蛋白与肌素的比率作为预测心力衰竭 (HF) 风险的关键生物标志物. 这些标记在社区人口中提供了超越标准风险因素的增量预测效用.
科学领域:
- 心脏病学 心脏病学
- 生物标志物发现发现
- 预防医学 预防医学
背景情况:
- 心室重塑和心力衰竭 (HF) 涉及多个生物途径.
- 有限的数据存在于一个简洁的生物标志物小组对社区基础的HF风险的预测价值.
研究的目的:
- 评估多生物标志物小组在预测发生性心力衰竭 (HF) 风险方面的增量实用性.
- 在社区队列中确定HF预测的关键生物标志物.
主要方法:
- 在2754名弗雷明汉心脏研究参与者中,评估了一组多生物标志物小组 (包括B型尿酸和尿蛋白与肌素的比率).
- 统计模型估计了HF事件的预测准确性,校准和重新分类的改进,在平均9.4年的随访期间.
主要成果:
- 多生物标志物小组与HF风险显著相关 (P=0.00005).
- B型尿性和尿中的白蛋白与肌素比率成为关键预测因素,其危险比分分别为1.52和1.35/SD增量.
- 这些生物标志物改善了模型预测准确性 (c-统计从0.84到0.86) 和风险重新分类 (净重新分类改进=0.13;P=0.002).
结论:
- 一个多标志物策略确定了B型尿素和尿中的白蛋白与肌素的比率作为新发性HF的显著风险因素.
- 这些生物标志物提供了超出已确定的风险因素的HF风险增量预测价值.
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