Pulmonary Disease, Chronic Obstructive Clinical Trial
Official title:
Oxygenation Using a Single Portable Pulse-dose-conserving Device Compared to Combined Use of Stationary and Portable Oxygen Delivery Devices.
Introduction: Portable oxygen devices simplify and facilitate patient therapy. This study
was designed to compare oxygen saturation and patient satisfaction with a portable oxygen
concentrator or with a combined system consisting of a fixed device with continuous flow
oxygen dispensation and a portable device with pulse dispensation for ambulation.
Methods: This cross-over trial assessed 25 patients with COPD (92% men; mean age 72.2 ± 7.4
years; mean FEV 34.14 ± 12.51%) at four hospitals in Madrid. All patients had previously
used the combined system, consisting of a fixed oxygenation system and a portable system for
ambulation, with 16 (64%) using stationary and portable concentrators and 9 (36%) using a
stationary reservoir and portable liquid oxygen bag. Oxygenation settings at rest and while
walking were determined at baseline. Patients were maintained on the previous combined
system for one week and then switched to the portable oxygen concentrator for one week. Mean
SpO2 over 24 hours was calculated by the software in the oximeter, and compliance was
monitored
n/a
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment
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