[The indications and limits for the use of stents in urological pathology]

It is analyzed the authors' experience regarding the drainage of urinary tracts using autostatic ureteral stents, a widespread therapeutic method for a large variety of dysfunction. There were used double J stents 5 and 7 Ch, with variable length (22, 24, 26 cm) in 314 cases suffering the following dysfunction: renoureteral lithiasis--243 cases, obstructive anuria--37 cases, reconstructive surgery after congenital dysfunction--11 cases, acquired dysfunction--23 cases. In 216 cases (68.7%) double J stents were used before applying mini invasive therapeutic methods: ESWL, NPL, URSR, URSA. There are also mentioned some of the encountered complications: ureteral perforation, intrapelvic and intraureteral bend, spontaneous elimination at women, ascending in ureter, lithiasis of a loop and the resolving methods.