Abstract
Background This study investigated the effect of either oral or transdermal hormone replacement therapy (HRT) on haemostatic, fibrinolytic and lipid profiles in a group of Brazilian women 3 months after beginning treatment by comparing these results with those obtained immediately before HRT. Methods Plasma levels of TAT, DDi, F1+2, PC, PS, AT, PAI-1 and serum lipids were determined in blood samples collected from 24 women undergoing oral HRT and from 11 women undergoing transdermal HRT. Results Significant increases in DDi and F1+2 plasma levels were observed after 3 months of oral HRT, while PS levels decreased. After transdermal HRT, a significant decrease was observed only for AT levels. Conclusion After 3 months of oral HRT and in the absence of major genetic and acquired risk factors, women displayed a predisposition for activation of blood coagulation, and an increased activity of the fibrinolytic system. Oral HRT seemed to be more effective in predisposing haemostatic changes as compared to transdermal.
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This work received financial support from the CNPq, CAPES and FAPEMIG and from the Program “Redes Cooperativas de Pesquisa de Minas Gerais” (RECOPE-MG-REC-32-082/99).
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Guimarães, D.A.M., das Graças Carvalho, M., Cardoso, J. et al. Assessment of hypercoagulability markers and lipid levels in postmenopausal women undergoing either oral or transdermal hormone replacement therapy. J Thromb Thrombolysis 27, 135–140 (2009). https://doi.org/10.1007/s11239-007-0169-7
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DOI: https://doi.org/10.1007/s11239-007-0169-7