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A close association between insulin resistance and dehydroepiandrosterone sulfate in subjects with essential hypertension.

Abstract
To examine the serum levels of dehydroepiandrosterone sulfate (DHEAS) and its relation with insulin resistance and the other risk factors in essential hypertension, serum DHEAS and insulin sensitivity were assessed in 35 male hypertensive and 17 male healthy control subjects aged 50-59 years. Fasting plasma insulin and the area under curve of plasma insulin were determined during a 75 g oral glucose tolerance test. Insulin sensitivity was measured by the steady state plasma glucose method. Fasting plasma insulin and the area under curve of plasma insulin were significantly higher in the hypertensive group than in control group. Steady state plasma glucose was significantly higher in hypertensive subjects indicating insulin resistance compared with control subjects. On the other hand, fasting serum DHEAS levels were significantly lower in the hypertensive group than in the control group. Fasting serum DHEAS levels were inversely correlated with steady state plasma glucose significantly (p=0.0008), indicating a close association between DHEAS levels and insulin resistance. Fasting serum DHEAS was inversely correlated with systolic blood pressure and fasting plasma insulin. In multiple regression analysis of hypertensive subjects, steady state plasma glucose was the strongest determinant of the fasting serum level of DHEAS, followed by systolic blood pressure and fasting plasma insulin. These 3 factors accounted for 51.6% of the variation in DHEAS. In nonobese and nondiabetic essential hypertension, serum DHEAS was lower and insulin resistance was the most significant independent determinant of reduced serum DHEAS, followed by systolic blood pressure and fasting plasma insulin.
AuthorsM Suzuki, A Kanazawa, M Hasegawa, Y Hattori, Y Harano
JournalEndocrine journal (Endocr J) Vol. 46 Issue 4 Pg. 521-8 (Aug 1999) ISSN: 0918-8959 [Print] JAPAN
PMID10580744 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Lipids
  • Dehydroepiandrosterone Sulfate
Topics
  • Case-Control Studies
  • Dehydroepiandrosterone Sulfate (blood)
  • Fasting (blood)
  • Glucose Tolerance Test (methods)
  • Humans
  • Hypertension (enzymology, physiopathology)
  • Insulin Resistance
  • Lipids (blood)
  • Male
  • Middle Aged
  • Regression Analysis
  • Risk Factors

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