Coated Metal Ureteral Stent in the Treatment of Radiation Induced Ureteral Stricture

Efficacy and Safety of Coated Metal Ureteral Stent in the Treatment of Radiation Induced Ureteral Stricture, A Prospective, Mutlcenter and Controlled Study

A prospective, multicenter and controlled study to observe the efficacy and safety of coated metal ureteral stent in the treatment of radiation induced ureteral stricture.

Inclusion Criteria:

1. Clinical diagnosis of ureteral stricture and hydronephrosis.
2. Previous history of radiation therapy.
3. Must be able to tolerate surgery.

Exclusion Criteria:

1. Combine with hypertonic neurogenic bladder (except for patients with long-term indwelling catheter).
2. Colon resection surgery patients.