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Background Patients with precapillary pulmonary hypertension (PH) have been reported to suffer from poor sleep quality, however, if this is related to physical exercise performance has not yet been thoroughly investigated. Methods Clinically stable out-patients with idiopathic pulmonary arterial hypertension (IPAH, n = 52) and chronic thromboembolic PH (CTEPH, n = 64) in NYHA classes II...
Summary Question of the study Compliance with nasal continuous positive airway pressure (nCPAP) treatment may be reduced due to difficulties when exhaling against a positive pressure. A recently introduced CPAP system therefore lowers the expiratory pressure proportional to the patient's airflow. To evaluate the theoretical concern that this might induce, flow limitations during inspiration, we measured...
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