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临床试验/KCT0003639
KCT0003639尚未招募未知

Changes in left ventricular afterload after aortic valve replacement in severe aortic stenosis patients with preserved left ventricular ejection fraction and high pressure gradient of transaortic blood flow

Asan Medical Center0 个研究点目标入组 29 人开始时间: 待定最近更新:

试验速览

阶段
未知
状态
尚未招募
入组人数
29

研究概览

简要总结

暂无简介。

研究设计

研究类型
Observational Study

入排标准

年龄范围
20(Year) 至 o Limit(—)
性别
All

入选标准

  • severe aortic stenosis patients (aortic valve area < 1.0 cm2) who undergo elective aortic valve replacement
  • -left ventricular ejection fraction =50% on preoperative transthoracic echocardiography
  • -mean transaortic pressure gradient = 40 mmHg on preoperative transthoracic echocardiography

排除标准

  • -patietns who show preoeprative atrial fibrillation or atrial flutter
  • -patients with inotropic drug or mechanical assist device to stabilize the hemodynamics
  • -patients with moderate or severe aortic regurgitation combined with aortic stenosis
  • -patients with moderate or severe disease in other valve
  • -patietns who undergo emergency surgery

研究者

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