Comparative evaluation of azotemia after various options for drainage of the upper urinary tract

Introduction. Obstruction of the upper urinary tract is a major problem in recent clinical urology because it has a significant level of morbidity in the population and serious medical and social consequences (azotemia, renal colic, infectious and inflammatory complications, pain, renal failure). Urolithiasis, oncourological and oncogynecological pathologies together constitute an big part in the structure of the general somatic morbidity, while acute and chronic obstruction of urinary tract is their most typical complication. Purpose. To make a comparative assessment of the effect of various options for drainage of the upper urinary tract (JJ-stenting of the ureter, ureteral catheter, percutaneous nephrostomy) during their obstruction on the history of azotemia. Materials and methods. Three hundred patients with urological diseases corresponding to the patient’s model were assessed: «Diagnosis: urolithiasis / oncourological pathology / gynecological oncology, co-incident with obstruction of the upper urinary tract, age 30-80 years...