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Maternal plasma glucose at high altitude.
E Krampl1, N A Kametas, A M Cacho Zegarra
1Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, Denmark, Hill, London, United Kingdom.
Summary
Pregnant women at high altitude have lower plasma glucose levels compared to those at sea level. This study compared glucose levels in pregnant and non-pregnant women across different altitudes.
Area of Science:
- Physiology
- Altitude Medicine
- Reproductive Health
Background:
- High altitude environments present unique physiological challenges.
- Pregnancy alters metabolic processes, including glucose regulation.
- Understanding glucose metabolism at altitude is crucial for maternal and fetal health.
Purpose of the Study:
- To compare plasma glucose concentrations.
- To investigate differences between pregnant and non-pregnant women.
- To assess the impact of high altitude (4370m) versus sea level on glucose levels.
Main Methods:
- Cross-sectional study design.
- Inclusion of four groups: pregnant and non-pregnant women at high altitude and sea level.
- Fasting plasma glucose measurement after overnight fasting.
Main Results:
- Fasting plasma glucose was lower in women at high altitude compared to sea level.
- In both altitude groups, pregnant women had lower glucose levels than non-pregnant women.
- Body mass index did not significantly influence fasting plasma glucose levels.
Conclusions:
- Women residing at high altitude exhibit lower plasma glucose concentrations.
- These lower glucose levels are observed both before and during pregnancy.
- Altitude is a significant factor influencing glucose metabolism in women.