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Metabolic syndrome in postmenopausal women: the influence of oral or transdermal estradiol on inflammation and coagulation markers.

Author(s): Chu MC, Cushman M, Solomon R, Lobo RA

Affiliation(s): Department of Obstetrics, Columbia University College of Physicians and Surgeons, New York, NY, USA. mchu@nshs.edu

Publication date & source: 2008-11, Am J Obstet Gynecol., 199(5):526.e1-7. Epub 2008 Jun 3.

Publication type: Comparative Study; Randomized Controlled Trial; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't

OBJECTIVE: The objective of the study was to determine whether the route of administration of estrogen therapy in women with metabolic syndrome (MBS) influences inflammation and coagulation parameters. STUDY DESIGN: Fifty symptomatic postmenopausal women with MBS were randomized to receive 1 mg oral estradiol (oE(2)) or 0.05 mg transdermal E(2) (tE(2)) for 3 months. Measurements were compared with those of 20 healthy premenopausal women and 74 normal postmenopausal women. RESULTS: Compared with both control groups, women with MBS had significantly higher levels of certain inflammation and coagulation markers, which cannot be accounted for based on weight alone. After oE(2), antithrombin III decreased from 104% to 96% (P < .01), the metalloproteinase-9/ tissue inhibitor of metalloproteinase-1 ratio increased (P < .02), and E-selectin decreased from 60 +/- 4.4 to 55 +/- 4.6 ng/mL (P < .05). With tE(2), there were no major changes noted. CONCLUSION: Postmenopausal women with MBS have higher levels of certain coagulation and inflammation markers and different responses to oral compared with transdermal estradiol.

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