Full or partial stretching of the pelvis and cups of urine due to obstacles to its emptying. The reasons may be different; stones of kidneys, ureters, swelling, bending of the ureter and so on. When urine retention, the pelvis is stretched, the renal tissue atrophies and a cavity filled with urine is formed instead of the kidney. Hydronephrosis can be congenital and acquired, the latter - permanent and intermittent.
Symptoms and course:There are severe pains in the lumbar region on the background of "complete health", less often - dull pains, sometimes vomiting, weakness. In the lumbar part painful swelling or muscle tension. These phenomena last from several hours to days, and disappear, accompanied by increased diuresis - the release of large amounts of urine. With the addition of infection, the temperature rises, the general condition worsens, aggravated by pyonephrosis or cystitis.
Treatment:Consists in eliminating the causes of hydronephrosis. With a significant change in the kidney resorted to its removal. At the same time it is necessary to make sure that the other kidney is in good condition.