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临床试验/NCT04157660
NCT04157660已完成不适用

Effect of Short-term Ambulatory Oxygen Therapy on Cardiopulmonary Exercise Capacity (CPET) in Patients With Heart Failure With Preserved Ejection Fraction (HFpEF)

University of Zurich2 个研究点 分布在 1 个国家目标入组 10 人开始时间: 2019年9月12日最近更新:
适应症

试验速览

阶段
不适用
状态
已完成
入组人数
10
试验地点
2
主要终点
Work Rate (Watt)

研究概览

简要总结

In a randomized, sham-controlled crossover trial the investigators will test whether supplemental oxygen given during cardiopulmonary exercise testing will improve exercise performance and physiological parameters in patients with heart failure with preserved ejection fraction.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Crossover
主要目的
Supportive Care
盲法
Single (Participant)

入排标准

年龄范围
18 Years 至 80 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • HFpEF, stable medication for at least 4 weeks.

排除标准

  • instable status, pregnancy, clinically relevant concomitant diseases, inability to follow the study procedures

结局指标

主要结局

Work Rate (Watt)

时间窗: 1 day

Maximal Work Rate (Watt max) measured during cardiopulmonary exercise test oxygen vs. room air

Endurance Time (s)

时间窗: 1 day

Endurance (s) with 75% Wmax measured during cardiopulmonary exercise test oxygen vs. room air

次要结局

  • Changes in arterial blood parameters (pH)(1 day)
  • Changes in arterial blood parameters (PaO2)(1 day)
  • Respiratory Exchange Ratio (RER)(1 day)
  • Changes in arterial blood parameters (PaCO2)(1 day)
  • Peak Oxygen uptake (VO2 max)(1 day)
  • Changes in arterial blood parameters (Lactat)(1 day)
  • muscle tissue oxygen(1 day)
  • cerebral tissue oxygen(1 day)
  • Changes in arterial blood parameters (Bicarbonate)(1 day)

研究者

申办方类型
Other
责任方
Sponsor

研究点 (2)

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Effect of Short-term Oxygen During CPET in HFpEF | 临床试验