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Independent association between leptin and blood pressure during third trimester in normal and gestational diabetic
Kai J Buhling1, Thomas Harder, Jalid Sehouli
1Clinic of Obstetrics, Campus Virchow-Klinikum, Charité-University Medicine Berlin, Humboldt University, Augustenburger Platz 1, D-13353 Berlin, Germany. kai.buehling@charite.de
Objective:
To assess the relationship between plasma leptin concentration during third trimester of pregnancy and blood pressure, independent of body mass index at examination and other potential confounders.
Study Design:
A cross-sectional study was performed including 95 women (61 non-diabetic women, 34 women with gestational diabetes (GD)) in their third trimester of pregnancy. The relationship between plasma leptin and blood pressure was investigated using multiple linear regression analysis.
Results:
Independent of body mass index (BMI), leptin was positively correlated to systolic (P = 0.024) and diastolic blood pressure (P = 0.002). Stepwise linear regression identified leptin as the only variable independently associated with systolic blood pressure (P = 0.003), while leptin (P < 0.001) and age (P = 0.024) were the only variables independently correlated to diastolic blood pressure.
Conclusions:
This study reports for the first time that, independent of BMI at examination, presence of GD or other confounders, plasma leptin is positively correlated with blood pressure in pregnant women.
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