靠近喷气体大小的多普勒色彩流量映射预测了 mitra regurgitation 的严重程度. 临床研究 临床研究
D Mele1, P Vandervoort, I Palacios
1Noninvasive Cardiac Laboratory, Massachusetts General Hospital, Boston 02114.
Circulation
|February 1, 1995
概括
靠近喷气体的大小是一个可靠的指标,表腹的严重程度. 这种跨胸部测量与既有方法相对应,有助于例行患者评估.
科学领域:
- 心脏病学 心脏病学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 膜心脏疾病 膜心脏疾病
背景情况:
- 传统的颜色多普勒法用于评估膜反的严重程度受到仪器和生理因素的限制.
- 靠近喷气体的尺寸与喷气体总面积不同,与孔径大小和严重程度相关,特别是在大动脉衰竭中.
- 有限的数据存在于近端喷气体大小在二手管吐,特别是使用 transthoracic 视图.
研究的目的:
- 评估近距离喷气体大小与其他衡量 mitrale 排泄严重性的关系.
- 评估近距离喷气尺寸在胸前心电回声学中对额头回评估的实用性.
主要方法:
- 在横侧长轴视图中测量了近距离喷射前后高度.
- 在短轴视图中测量了近距离喷气的宽度和面积.
- 测量结果与多普勒导出的反体体积/分数和血管学分级/分数进行比较.
主要成果:
- 邻近喷气体尺寸 (高度,宽度,面积) 与多普勒反体积和分数 (r = .86到 .95) 有着强烈的相关性.
- 靠近喷气体的大小有效地区分了不同血管学级的 mitra 反,重叠最小 (P < .0001).
- 测量结果也与血管学吐分数 (r = .85~ .91) 有很好的相关性.
结论:
- 靠近喷气体的大小是一个有价值的参数,与已建立的 mitrale regurgitation 严重性指标有很强的相关性.
- 这种方法可以很容易地使用标准的胸前心脏回声学.
- 靠近喷气体大小的评估应纳入对 mitrale 吐的常规评估.
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