房压力减半时间. 额头门孔区域的测量
1Department of Cardiology, Division of Medicine, City of Hope Medical Center, Duarte, California, USA.
Circulation
|July 1, 1968
概括
在心脏导管过程中测量的半径压半时有效评估心肌狭窄症的严重程度. 这种方法提供了一种可靠的替代体能测试,用于评估中枢阻塞.
科学领域:
- 心脏病学 心脏病学
- 心血管生理学心血管生理学
背景情况:
- 额叶狭窄的诊断依赖于侵入性或非侵入性方法.
- 准确评估心肌狭窄症的严重程度对于患者的管理至关重要.
研究的目的:
- 为了评估半段时间的透气压力,作为对额头管狭窄症严重性的定量衡量.
- 为了比较半休息时间的透气压力与运动测试的实用性.
主要方法:
- 20名患者进行了心脏导管治疗.
- 测量了半程时间的透气左心房压差.
- 评估了运动和双肩吐对半场比赛的影响.
主要成果:
- 半衰期与 mitrales 狭窄的解剖学严重程度相关 (轻度:~100 ms,中度:~200 ms,严重:≥300 ms).
- 非静脉的半衰期小于25毫秒.
- 运动对半场时间的影响很小,而 mitra regurgitation 没有显著的影响.
- 半场表现出与中枢孔面积的反向关系.
结论:
- 扩张压半程时间是额头管狭窄症严重程度的可靠指标.
- 这种测量可以潜在地取代运动测试来评估额头管狭窄症.
- 半场时间与中枢孔的物理尺寸有直接的相关性.
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