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临床试验/NCT05264324
NCT05264324已完成不适用

The Impact of Hypoxia on Patients With Precapillary Pulmonary Hypertension and Treatment of Adverse Effects

University of Zurich2 个研究点 分布在 1 个国家目标入组 28 人开始时间: 2021年10月20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
28
试验地点
2
主要终点
Maximal work rate

研究概览

简要总结

The impact of hypoxia on maximal work rate during incremental ramp exercise within 3-6 hours after arriving at 2500m of high altitude in patients with precapillary pulmonary hypertension

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Crossover
主要目的
Prevention
盲法
None

入排标准

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

入选标准

  • Informed consent as documented by signature (Appendix Informed Consent Form)
  • PH class I (PAH) or IV (CTEPH) diagnosed according to guidelines: mean pulmonary artery pressure >20 mmHg, pulmonary vascular resistance ≥3 wood units, pulmonary arterial wedge pressure ≤15 mmHg during baseline measures at the diagnostic right-heart catheterization

排除标准

  • resting partial pressure of oxygen <8 kilopascal at Zurich at 490 m low altitude
  • exposure to an altitude >1000 m for ≥3 nights during the last 2 weeks before the study
  • inability to follow the procedures of the study
  • other clinically significant concomitant end-stage disease (e.g., renal failure, hepatic dysfunction)

结局指标

主要结局

Maximal work rate

时间窗: 30 hours

Change in maximal work rate in Watt at 2500 vs. 490 m

次要结局

  • Rate pressure product(30 hours)
  • Electro cardiography: Clinically relevant ischemia(30 hour)
  • Electro cardiography: PQ-Interval(30 hours)
  • Heart rate(30 hours)
  • Ventilation(30 hours)
  • Electro cardiography(30 hours)
  • Electro cardiography: ST-segment changes under oxygen(30 hours)
  • Oxygen uptake(30 hours)
  • Arterial blood oxygenation saturation(30 hours)
  • Blood gases(30 hours)
  • Borg dyspnoea and leg fatigue scale(30 hours)
  • Electro cardiography :ST-segment changes(30 hours)
  • Hemodynamics(30 hours)
  • Visual Analogue Scale for dyspnea(30 hours)
  • Electro cardiography: Cardiac arrhythmia(30 hours)
  • Electro cardiography: QT-Interval(30 hours)

研究者

申办方类型
Other
责任方
Sponsor

研究点 (2)

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