Effects of hormone replacement therapy on magnetic resonance imaging of brain parenchyma hyperintensities in postmenopausal women

Aim: To apply 3.0 magnetic resonance imaging (MRI) to study the effects of long-term, low dose hormone replacement therapy (HRT) on the brain parenchyma of postmenopausal women. Methods: A total of 155 postmenopausal healthy female medical staff members from Peking Union Medical College Hospital wer...

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Veröffentlicht in:Acta pharmacologica Sinica 2009-07, Vol.30 (7), p.1065-1070
Hauptverfasser: Liu, Yan-yong, Hu, Ling, Ji, Chao, Chen, Dong-wen, Shen, Xi, Yang, Nan, Yue, Yun, Jiang, Jing-mei, Hong, Xia, Ge, Qin-sheng, Zuo, Ping-ping
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container_end_page 1070
container_issue 7
container_start_page 1065
container_title Acta pharmacologica Sinica
container_volume 30
creator Liu, Yan-yong
Hu, Ling
Ji, Chao
Chen, Dong-wen
Shen, Xi
Yang, Nan
Yue, Yun
Jiang, Jing-mei
Hong, Xia
Ge, Qin-sheng
Zuo, Ping-ping
description Aim: To apply 3.0 magnetic resonance imaging (MRI) to study the effects of long-term, low dose hormone replacement therapy (HRT) on the brain parenchyma of postmenopausal women. Methods: A total of 155 postmenopausal healthy female medical staff members from Peking Union Medical College Hospital were enrolled. The HRT group was composed of 71 subjects who had been given a low dose of HRT for over 4 years, while 84 women who had never been given HRT were enrolled in the control group. The Mini-Mental State Examination (MMSE) was used to evaluate menta state, and an Enzyme-Linked ImmunoSorbent Assay (ELISA) was used to detect plasma levels of sex hormones. In addition, all participants were subjected to an MRI, including axial T2 weighted imaging (T2WI), fluid-attenuated inversion recovery (FLAIR), T1 weighted imaging (T1WI, oblique coronal, vertical to the hippocampus, slice thickness 3 mm without gaps), and a 3D image of the whole brain. Results: The ELISA showed that the plasma level of estradiol in the HRT group was significantly higher than that in the control group (P〈0.05). No differences were observed in the MMSE between the two groups. In participants older than 70 years of age, the number of deep white matter hyperintensities (DWMHs) in the control group was significantly higher than that in the HRT group (P=0.0013); however, in other age subgroups, no statistical differences were observed. Finally, no significant difference in periventricular hyperintensity (PVH) between the two groups was observed. Conclusion: We found that a high plasma level of estradiol in postmenopausal women receiving long-term HRT was correlated with the survival of brain parenchyma.
doi_str_mv 10.1038/aps.2009.81
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Methods: A total of 155 postmenopausal healthy female medical staff members from Peking Union Medical College Hospital were enrolled. The HRT group was composed of 71 subjects who had been given a low dose of HRT for over 4 years, while 84 women who had never been given HRT were enrolled in the control group. The Mini-Mental State Examination (MMSE) was used to evaluate menta state, and an Enzyme-Linked ImmunoSorbent Assay (ELISA) was used to detect plasma levels of sex hormones. In addition, all participants were subjected to an MRI, including axial T2 weighted imaging (T2WI), fluid-attenuated inversion recovery (FLAIR), T1 weighted imaging (T1WI, oblique coronal, vertical to the hippocampus, slice thickness 3 mm without gaps), and a 3D image of the whole brain. Results: The ELISA showed that the plasma level of estradiol in the HRT group was significantly higher than that in the control group (P〈0.05). No differences were observed in the MMSE between the two groups. In participants older than 70 years of age, the number of deep white matter hyperintensities (DWMHs) in the control group was significantly higher than that in the HRT group (P=0.0013); however, in other age subgroups, no statistical differences were observed. Finally, no significant difference in periventricular hyperintensity (PVH) between the two groups was observed. 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In participants older than 70 years of age, the number of deep white matter hyperintensities (DWMHs) in the control group was significantly higher than that in the HRT group (P=0.0013); however, in other age subgroups, no statistical differences were observed. Finally, no significant difference in periventricular hyperintensity (PVH) between the two groups was observed. 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Methods: A total of 155 postmenopausal healthy female medical staff members from Peking Union Medical College Hospital were enrolled. The HRT group was composed of 71 subjects who had been given a low dose of HRT for over 4 years, while 84 women who had never been given HRT were enrolled in the control group. The Mini-Mental State Examination (MMSE) was used to evaluate menta state, and an Enzyme-Linked ImmunoSorbent Assay (ELISA) was used to detect plasma levels of sex hormones. In addition, all participants were subjected to an MRI, including axial T2 weighted imaging (T2WI), fluid-attenuated inversion recovery (FLAIR), T1 weighted imaging (T1WI, oblique coronal, vertical to the hippocampus, slice thickness 3 mm without gaps), and a 3D image of the whole brain. Results: The ELISA showed that the plasma level of estradiol in the HRT group was significantly higher than that in the control group (P〈0.05). No differences were observed in the MMSE between the two groups. In participants older than 70 years of age, the number of deep white matter hyperintensities (DWMHs) in the control group was significantly higher than that in the HRT group (P=0.0013); however, in other age subgroups, no statistical differences were observed. Finally, no significant difference in periventricular hyperintensity (PVH) between the two groups was observed. Conclusion: We found that a high plasma level of estradiol in postmenopausal women receiving long-term HRT was correlated with the survival of brain parenchyma.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>19575009</pmid><doi>10.1038/aps.2009.81</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Aged
Aged, 80 and over
Animals
Biomedical and Life Sciences
Biomedicine
Brain - anatomy & histology
Brain - drug effects
Brain - metabolism
Estradiol - blood
Estradiol - pharmacology
Female
Hormone Replacement Therapy
Humans
Immunology
Internal Medicine
Magnetic Resonance Imaging
Medical Microbiology
Mental Status Schedule
Middle Aged
Original
original-article
Pharmacology/Toxicology
Vaccine
磁共振成像
绝经后
高密度
title Effects of hormone replacement therapy on magnetic resonance imaging of brain parenchyma hyperintensities in postmenopausal women
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