Chronic Obstructive Pulmonary Disease
Conditions
Interventions
Portable pulse oximeter (PULSOX-Me300
Konica-Minolta, Tokyo, Japan) were used to obtain continuous oximetry data over a 24-hour period. Each patient was instructed on the proper use of the portable oximeter before monitoring began. All da
Sponsors
Department of Respiratory Medicine, Osaka Police Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) clinically stable COPD according to the Global Initiative on Obstructive Lung Disease (GOLD) staging (2) the ability to walk independently or with a cane (3) sufficient cognitive function to follow the instructions for using the pulse oximetry equipment. (4) written informed consent
Exclusion criteria
Exclusion criteria: (1) inpatients (2) patients who experienced recent episodes of exacerbation requiring hospitalization or administration of antibiotics or steroids in the previous 3 months (3) other significant respiratory diseases or medical problems precluding ambulatory activity at home (4) patients who were undergoing treatment with supplemental oxygen therapy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Proportion of desaturators, defined as patients who spent more than 30% of the oximetry period with SpO2 < 90%. | — |
Secondary
| Measure | Time frame |
|---|---|
| Mean SpO2 level and heart rate | — |
Countries
Japan
Outcome results
None listed