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Updated: Aug 23, 2026

An In Vivo Estrogen Deficiency Mouse Model for Screening Exogenous Estrogen Treatments of Cardiovascular Dysfunction After Menopause
Published on: August 13, 2019
[Effects of the hormone replacement therapy on cardiovascular system, bone mass and memory in climacteric patients]
Francisco Javier Zayas Jaime1, Luis Jaime Elizondo Alanís, Marco Antonio Gaxiola Cueto
1Clínica de Osteoporosis, Hospital de Especialidades número 1, Centro Médico Nacional del Noroeste, IMSS, Ciudad Obregón, Sonora. jfzayasj@prodigy.net.mx
Objective:
To evaluate the effect of the hormone replacement therapy type estradiol-medroxyprogesterone and tibolona on cardiovascular system, bone mass and memory in the climacteric patients.
Patients And Method:
From January through December 2001 at the Specialties Hospital No. 1, we included 77 consecutive climacteric patients. They were divided in 2 groups: premenopause in treatment with estradiol-medroxyprogesterone and postmenopause with tibolona. We studied cardiovascular system, the bone mass and memory. The statistical analysis was by means of t Student for difference between the groups.
Results:
With the estradiol-medroxyprogesterone use, the blood pressure diminished significaticantly just for systolic pressure (-10.22/-6.38 mmHg). Cholesterol and triglyceride, both diminished significantly (-43.92 mg and -58.79 mg). There is not significance for the bone mass of lumbar-spine and femoral neck (+0.68% and +0.69%) as neither in the memory test (20-22). With the tibolona use, the blood pressure was not reduced significantly (-6.93/-1.94 mmHg), with single significant reduction for cholesterol (-25.83 mg and -18.15 mg), presenting bone mass significant improvement just for femoral neck (+0.13% and +0.84%) and without improving in the memory test (17-18).
Conclusions:
A diminution of lipids with the estradiol-medroxyprogesterone use, as well as reduction of the cholesterol and improvement of the bone mass with the tibolona use but without benefits in the memory test with both treatments.
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