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Many observational studies have demonstrated links between serum levels of 25-hydroxyvitamin D [25(OH)D] and cardiovascular risk (CVR) factors. Microvascular dysfunction relates not only to CVR but also to metabolic disease. Since cardiovascular disease (CVD) is the leading cause of death in postmenopausal women, it would be relevant to confirm this relationship. Maybe further studies would show that the correction of hypovitaminosis D could minimize the CVR. Our objective with this clinical trail is to analyze if vitamin D status is related to microvascular function and conventional cardiovascular risk (CVR) factors in postmenopausal women. For that we enrolled, in a pilot cross-sectional study, 39 non-smokers, low CVR postmenopausal women, with less than 10 years of hypoestrogenism and associations of 25(OH)D to adiposity, blood pressure, fasting aldosterone, insulin, glucose and lipid profile, HOMA-IR, parathormone and microvascular function, assessed by laser-Doppler flowmetry at cutaneous site, were investigated.
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Inclusion criteria
Women between 45-60 years with clinical/laboratory criteria of menopause and duration of hypoestrogenism < 10 years. Menopause was spontaneous (at least one year of amenorrhea) or surgical (after bilateral oophorectomy). In hysterectomized women, ovarian failure was estimated by the history of vasomotor symptoms and serum levels of follicle-stimulating hormone (FSH) > 35 mU/mL and estradiol levels <20 pg/mL.
Exclusion criteria
Current smokers, body mass index (BMI) >35 kg/m², systolic BP >160 mmHg and or diastolic BP > 100 mmHg, total cholesterol >280 mg/dL, presence of T2D, renal dysfunction and or liver disease, clinical manifestations of coronary heart disease, and previous history of revascularization or cardiovascular event.
88 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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