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Abstract
The male aging process is accompanied by changes in the levels of several types of hormones. Falling levels of androgenic-anabolic steroids (total testosterone, free testosterone, biologically accessible testosterone, dehydroepiandrosterone) correspond to a group of symptoms referred to as PADAM syndrome (Partial Androgen Deficiency in the Aging Male). In the case of those carefully examined patients with symptoms of PADAM and proven hypogonadism, administering androgen supplements can alleviate some of the undesirable manifestations. In its literature, the University of St Louis repeatedly refers to its questionnaire as a verbal tool for the detection of possible hypogonadism.
The aim of this study was to ascertain to what extent the aging process is evident in hormonal homeostasis detected in laboratory testing, and the extent to which this data is in accord with the evaluation of responses to questions in the University of St Louis questionnaire. Method: 216 men aged over 50 years were examined. Measurements were taken of: testosterone; the index of free testosterone; androstenedione; dihydrotestosterone; dehydroepiandrosterone and its sulfate; isomers 7α- and 7β-hydroxydehydroepiandrosterone; epitestosterone; luteinizing hormone (LH); follicle-stimulating hormone (FSH); prolactin; and sexual hormone-binding globulin (SHBG). Evaluations of the patients' responses to the University of St Louis questionnaire were compared with the results of the laboratory tests. Results: The study confirms that the most prominent phenomenon is that of an age-related decrease in the index of free testosterone, which is indicated in particular by an increase in the level of SHBG, and by a decrease in dehydroepiandrosterone and its derivatives. No significant correlation was found between levels of hormones and single items on the questionnaire, nor with the overall score arrived at by studying the patients' data.