نتایج جستجو برای: free testosterone
تعداد نتایج: 535827 فیلتر نتایج به سال:
CONTEXT Hypogonadism in men is associated with insulin resistance, elevations in pro-inflammatory cytokines and fibrinogen, and an atherogenic lipid profile. However, it is uncertain whether the age-related decline in testosterone is associated with ischaemic heart disease (IHD) events. OBJECTIVE To determine whether testosterone and its associated hormones, sex hormone-binding globulin (SHBG...
Objectives: Studies suggest a beneficial effect of transdermal testosterone (TT) used prior to controlled ovarian stimulation (COS) on reproductive outcomes in poor responders. Our aim was evaluate the adverse effects and serum concentrations testosterone, sex hormone-binding globulin (SHBG), estradiol, following new TT dosage associated with combined oral contraceptive (COC) before COS Methods...
The aim of this study was to investigate whether free testosterone estimated by calculation from total testosterone and sex hormone-binding globulin or free androgen indexes were more appropriate markers for assessing hyperandrogenemia in patients with polycystic ovary syndrome (PCOS). 107 Caucasian women were presented at our Division of Gynecological Endocrinology and Reproductive Medicine be...
OBJECTIVE To study the endogenous sex hormone levels in natural postmenopausal women and their association with the presence of internal carotid artery (ICA) atherosclerosis. DESIGN Case-control study METHODS We compared 56 patients with severe ICA atherosclerosis referred for carotid artery endarterectomy (CEA) with 56 age-matched control subjects free of severe atherosclerotic disease. Th...
OBJECTIVE The potential role for the gonadal steroids in the pathogenesis of urolithiasis, higher mean of plasma oxalate concentration and kidney calcium oxalate deposition influenced by androgens in men has been proposed. In this study, the serum levels of steroid hormones as a pathogenesis of this condition in male patients with active renal stone disease compared with controls was investigat...
BACKGROUND AND AIMS The cortisol/testosterone (C/T) ratio has been hypothesized to be a better predictor of atherosclerosis than cortisol alone. No study has assessed whether the C/T and C/sex hormone-binding globulin (SHBG) ratios are associated with atherosclerosis in a U.S. population sample. METHODS This substudy included 367 women who had both cortisol from year 15 and testosterone and S...
Hyperestrogenemia and hypotestosteronemia have been observed in association with myocardial infarction (MI) and its risk factors. To determine whether these abnormalities may be prospective for MI, estradiol and testosterone, as well as risk factors for MI, were measured in 55 men undergoing angiography who had not previously had an MI. Testosterone (r = -.36, P = .008) and free testosterone (r...
Evidence suggests low testosterone levels in Alzheimer's disease. Objectives To compare testosterone levels between older men with and without Alzheimer's disease. Methods Fourteen men with Alzheimer's disease were compared with twenty eight men without dementia. Demographic variables and clinical profiles were analyzed. Within fifteen days before or after the described evaluation, measures...
Although low testosterone levels in men have been associated with high risk for cardiovascular disease, little is known about the association between male sex hormones and subclinical coronary disease in men with apparently low cardiometabolic risk. This study was performed to investigate the association between male sex hormones and subclinical coronary artery calcification measured as coronar...
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