Journal
NUTRIENTS
Volume 14, Issue 16, Pages -Publisher
MDPI
DOI: 10.3390/nu14163438
Keywords
testosterone; chronic kidney disease; hypogonadism; sarcopenia; protein energy wasting
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Reduced testosterone concentration is a major endocrine disorder in chronic kidney disease (CKD), affecting various aspects of the body, including reproductive processes, bone and muscle mass, lipid profile, and insulin sensitivity. In CKD, hypogonadism leads to infertility, loss of muscle mass, disorders in bone mineralization, protein energy wasting, and progression of atherosclerosis. Testosterone supplementation can alleviate these issues and improve quality of life.
Reduced testosterone concentration is nowadays thought to be one of the main endocrine disorders in chronic kidney disease (CKD). It is caused by the dysfunction of the hypothalamic-pituitary-gonadal axis. The role of testosterone is multifactorial. Testosterone is responsible not only for reproductive processes, but it is a hormone which increases bone and muscle mass, improves lipid profile, insulin sensitivity, erythropoiesis, reduces blood pressure, and ameliorates mood and perception. The implications of hypogonadism in CKD are infertility and loss of libido, reduction of muscle mass and strength, disorders in bone mineralization, the development of sarcopenia and protein energy wasting (PEW), progression of atherosclerosis, increased visceral adiposity, insulin resistance, and anaemia. Reduced testosterone serum concentrations in CKD are associated with increased mortality rate. Testosterone supplementation improves sexual functions, reduces the level of inflammatory markers and blood pressure, stimulates muscle protein synthesis, improves insulin sensitivity and lipid profile, and increases muscle mass, bone mineral density, and haemoglobin concentration. It positively affects mood and well-being. The modes of testosterone supplementation are intramuscular injections, subcutaneous pellets, and percutaneous methods-patches and gels. Successful kidney transplantation may improve gonadal function and testosterone production, however, half of men with low testosterone concentrations before kidney transplantation do not restore hormonal function.
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