Related Experiment Videos
Oxygen saturation levels in the well elderly: altitude makes a difference.
Journal of Gerontological Nursing
|October 1, 1990
Summary
Aging can lower oxygen levels, but changes in carbon dioxide may signal lung disease. For well elderly, oxygen saturation is normal for their altitude, but lower at moderate altitudes compared to sea level.
Area of Science:
- Gerontology
- Pulmonary Medicine
- Altitude Physiology
Background:
- Reduced oxygenation (lower PO2 and O2 saturation) is typical in aging.
- Altered carbon dioxide levels are indicative of pulmonary disease.
Purpose of the Study:
- To assess oxygen saturation levels in well elderly individuals at varying altitudes.
- To compare oxygen saturation in elderly populations living at moderate altitudes versus sea level.
Main Methods:
- Measured oxygen saturation (O2 saturation) and partial pressure of oxygen (PO2) in well elderly individuals.
- Compared data from participants at moderate and low altitudes with those at sea level.
Main Results:
- Elderly individuals at moderate and low altitudes exhibited oxygen saturation at the lower limit of normal for their respective altitudes.
- Well elderly at moderate altitude showed significantly lower oxygen saturation compared to sea-level residents.
Conclusions:
- Individual baseline oxygen saturation is crucial for evaluating changes, given the wide normal range.
- Altitude influences oxygen saturation levels in the elderly population, even in healthy individuals.