NCT01241838终止不适用
The Effect of Heart Rate on Cardiac Index in Patients With Left Ventricular Hypertrophy
适应症
试验速览
- 阶段
- 不适用
- 状态
- 终止
- 入组人数
- 11
- 试验地点
- 2
- 主要终点
- Cardiac index
研究概览
简要总结
The purpose of this study is to compare the effect of heart rate on cardiac index in patients with or without left ventricular hypertrophy. The study will be conducted in postoperative heart surgery patients with a pacemaker.
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Parallel
- 盲法
- None
入排标准
- 年龄范围
- 30 Years 至 90 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Scheduled heart surgery including thoracotomy
- •Ejection fraction > 45%
- •Duration of QRS complex < 120 milliseconds
- •Sinus rhythm
- •Planned perioperative temporary pacemaker
- •Group: Left ventricular hypertrophy:
- •Thickness of interventricular septum and posterior wall >11 mm.
- •Group: No left ventricular hypertrophy:
- •Thickness of interventricular septum and posterior wall <11 mm.
排除标准
- •Active endocarditis
- •Severe mitral insufficiency
- •No patient consent
结局指标
主要结局
Cardiac index
时间窗: At heart rates 65-80-95-110-125
次要结局
- Mean arterial blood pressure(At heart rates 65-80-95-110-125)
- Ejection fraction(Heart rates of 65-80-95-110-120)
- Strain(Heart rates of 65-80-95-110-125)
- S-max(Heart rates of 65-80-95-110-125 beats per second)
- E/E'(Heart rates of 65-80-95-110-125 beats per second)
- E/A ratio(Heart rates of 65-80-95-110-125 beats per second)
- E'/A' ratio(Heart rates of 65-80-95-110-125 beats per second)
- Isovolumetric relaxation index(Heart rates of 65-80-95-110-125 beats per second)
- IVRT/IVRT'(Heart rates of 65-80-95-110-125 beats per second)
- End diastolic volume(Heart rates of 65-80-95-110-125 beats per second)
- End systolic volume(Heart rates of 65-80-95-110-125 beats per second)
研究者
研究点 (2)
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