食物摄入对形成时间的影响作为扩张性左心室功能的测量
Sarah Smith1, Andreas Malmgren2, Ylva Gårdinger2
1Department of Medicine, Trelleborg Hospital, 231 85 Trelleborg, Sweden.
Journal of clinical medicine
|August 28, 2025
概括
在老年人吃饭后,形成时间 (VFT) 增加,而不是年轻人. 主要受老年人的食物摄入影响.
科学领域:
- 心脏病学
- 医学成像
- 生理学
背景情况:
- 左心室 (LV) 扩张功能对心脏健康至关重要.
- 螺旋形成时间 (VFT) 是评估 LV 扩张功能的新兴参数.
- 需要进一步研究食物摄入等生理变化对VFT的影响,特别是年龄和性别.
研究的目的:
- 在健康人群中评估食物摄入对VFT的影响.
- 确定VFT,年龄和性别之间的关系.
- 评估VFT是否可靠地显示食后扩张功能.
主要方法:
- 健康的参与者分为年轻人 (平均年龄25岁) 和老年人 (平均年龄68岁) 组.
- 在禁食状态和标准饮食后30分钟进行胸腔回声扫描 (TTE).
- 对TTE图像进行了离线分析以计算VFT.
主要成果:
- 在不同年龄组中,VFT没有性别差异.
- 在餐后的老年人中观察到VFT显著增加 (中位数为2. 0至2. 3, p < 0. 001),但在年轻人中没有 (中位数为2. 5, p = 0. 369).
- 在餐前,VFT在年轻人中高 (中位数为2. 5),而不是老年人中 (中位数为2. 0; p = 0. 011).
结论:
- 年龄影响VFT,年轻人表现出更高的VFT.
- 在老年人中,食物摄入有显著影响VFT,这表明与年龄相关的扩张功能反应发生变化.
- 在评估的健康人群中,VFT不受性别的影响.
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