Airway stenosis, BA, Chronic obstructive pulmonary disease (COPD), sleep apnea syndrome (SAS) and mechanical ventilation for respiratory failure, interstitial pneumonia, relapsing polychondritis
Conditions
Interventions
Assessment of percent predicted forced expiratory volume in one second using a time-of-flight sensor
Sponsors
St. Marianna University School of Medicine
Tokyo Metropolitan University University of Electro-Communications
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Men and women over 20 years old. 2. Outpatients or hospitalized patients with chronic obstructive pulmonary disease (COPD), bronchial asthma, sleep apnea syndrome (SAS), mechanical ventilation for respiratory failure and a control of healthy multidisciplinary healthcare workers with no history of respiratory diseases. 3. All subjects agreed to participate in this study and gave written informed consent.
Exclusion criteria
Exclusion criteria: 1. Subjects who are or suspected to be pregnant. 2. Patients with fever and with worsening respiratory symptoms within 2 weeks. 3. Any other cases regarded as inadequate for study enrollment by the investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The correlation between percent predicted forced expiratory volume in one second by spirometer and the motion of the thorax in 1 second by time-of-flight sensor. | — |
Secondary
| Measure | Time frame |
|---|---|
| Assessment of ventilation distribution by measuring the motion of the thorax divided into six regions, the left upper, left middle, left lower, right upper, right middle and right lower. | — |
Countries
Japan
Contacts
Public ContactHiroki Nishine
St. Marianna University School of Medicine Division of Respiratory Medicine, Department of Internal Medicine
Outcome results
None listed