Experience in the morbidity associated with double-J catheter indwelling and its management.

Placement of internal ureteral stents for interal urinary diversion and prevention of urological complications had been well established. However, indwelling stents have occasionally been associated with patient morbidity and intolerance. A total of 255 patients while the internal ureteral stent had been used were analyzed. The symptoms including urinary frequency (42.0%), hematuria (41.6%) and suprapubic pain (20.4%), loin pain (17.3%) and micturition pain (16.9%) accounted for the major complaints of the stent indwelling patients. The major complications, i.e. stent migration, heavy encrustaion, pyelonephritis, fragmentation, intolerence and penetration of collecting structure, were occasionally observed. These complications increase morbidity in patients. The double-J stents should be used carefully with regard to the prevention and treatment of untoward conditions as early as possible.