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Randomized crossover trial in patients with Pulmonary Hypertension (PAH, CTEPH) to assess the acute response to simulated altitude (FiO2:15.1, equivalent to 2500m above sea level) on pulmonary artery pressure and right heart function (Echo).
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Low altitude baseline measurements will be performed in Zurich (460m asl) including Echocardiography, Right heart catheterization, (six-minute walk test) 6MWT, pulmonary function test, clinical assessment and blood gas Analysis.
Randomly assigned to the order of testing, the participants will be tested under simulated altitude (FiO2: 15.1% with the "AMC Altitrainer") and shamed altitude with the same device.
Several times within the exposure, the pulmonary artery pressure and the right heart function will be assessed by echo.
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28 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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