Возрастные изменения мочевыделительной системы

With age, all systems and organs, irreversible structural and functional changes. They determine the activity of human body and human life.Aging of the urinary system of man, especially the kidneys, begins very early - after 30 years. Early aging kidneys due to the high functional activity of this organ.


With aging there is a decrease in the number of nephrons in the kidneys and a decrease in the blood supply that adversely affect the functioning of the urinary system. The kidneys become less efficient in concentrating a diluting urine. (The renal threshold for glucose is elevated, and individuals tested for high blood glucose will not show elevated levels in the urine. Excretion of drugs is altered, and the elderly must be closely observed for signs of drug toxity. The smooth muscle and elastic tissue of the bladder is replaced with fibrous connective tissue. This results in decreased bladder capacity and increased frequency of urination. The elderly also experience more nocturia. There is a decrease in the force of the stream, and some may experience stress incontinence. For these reasons many elderly may limit their appearance in publiс or long trips. Some decrease their fluid intake to avoid embarrassment. Bladder outlet changes may cause obstruction in the male and incontinence in the female.