Influence of an Inverse Pressure Ramp in Long-term Non-invasive Ventilation on Dyspnea in the Morning After Therapy

Inclusion Criteria: * Age ≥ 18 years * Diagnosis of a chronic obstructive pulmonary disease (COPD) with chronic hypercapnic insufficiency * Therapy with prismaVENT 30, firmware V 3.3 or higher, mode S/T, stable device settings at the time of inclusion without need to adapt ventilation parameters * May have co-existing obstructive sleep apnea syndrome * Subjective dyspnea ≥3 (Borg scale) after end of ventilation therapy in the morning * Written informed consent for study participation including data protection Exclusion Criteria: * Missing written informed consent for study participation including data protection * Contraindication for positive airway pressure therapy * Use of the softSTOPP feature before study inclusion * Participation in another study, which influences NIV therapy by defining device settings or titration * Concomitant oxygen therapy