Investigating Health Related Quality of Life in Patients With Chronic Respiratory Failure

This study is collecting information about the quality of life, daily functioning, and health outcomes of patients with chronic respiratory failure who are dependent on breathing support devices — such as non-invasive ventilation, long-term mechanical ventilation, or mechanical cough assist devices. **You may be eligible if...** - You are 18 or older - You have been diagnosed with chronic respiratory failure - You currently use non-invasive ventilation (like a CPAP or BiPAP machine), prolonged mechanical ventilation, or a mechanical cough assist device **You may NOT be eligible if...** - You are under 18 years old - You have significant physical or psychiatric conditions that would prevent you from following the study protocol Talk to your doctor to see if this trial is right for you.