Status:
COMPLETED
Effects of Altitude on Single-Breath Diffusing Capacity for Carbon Monoxide
Lead Sponsor:
Intermountain Health Care, Inc.
Collaborating Sponsors:
University of Utah
Conditions:
COPD
Eligibility:
All Genders
20-80 years
Brief Summary
The purpose of this study is to further understand the effects of altitude on the physiology of gas exchange in the pulmonary microcirculation in normal subjects and in people with chronic obstructive...
Detailed Description
The DLCOsb is one of the most common and widely tests clinically used across the world in pulmonary function laboratories to assess gas exchange from the lung to hemoglobin in the pulmonary circulatio...
Eligibility Criteria
Inclusion
- Ages 20- 80 years
- Subjects must be either healthy or have been diagnosed with COPD
Exclusion
- Anemia (hemoglobin \< 10.0 g/dL)
- Carboxyhemoglobin \> 3%
- Active smoking
- Heart disease or heart failure
- Pulmonary hypertension
- COPD exacerbation
- Pneumothroax within 6 months
- Bullous emphysema on chest imaging (Chest X-ray or CT)
- Supplemental oxygen use
- Diabetes mellitus
- Alcohol dependence
- Non-English speaking
Key Trial Info
Start Date :
August 10 2017
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
July 1 2019
Estimated Enrollment :
23 Patients enrolled
Trial Details
Trial ID
NCT03235297
Start Date
August 10 2017
End Date
July 1 2019
Last Update
February 12 2020
Active Locations (1)
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1
Intermountain Medical Center
Murray, Utah, United States, 84157