Ureteral stricture
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age: 18 to 75 years old, gender not restricted; 2. Patients diagnosed as having benign long-segment ureteral stenosis in the upper or middle segment through preoperative examinations such as B-ultrasound, CTU, MRU, anterograde and retrograde angiography, etc.; 3. Have recurrent pain in the waist or other discomforts, or have repeated urinary tract infections due to hydronephrosis, or have confirmed renal function impairment on renal dynamic examination on the affected side; 4. Due to the long length of the stenotic segment (generally over 2-3 cm), direct end-to-end anastomosis techniques such as ureteral end-to-end anastomosis or dissection-type renal pelvis reconstruction are not suitable; 5. The stenosis is benign; 6. The patient voluntarily participates and signs the informed consent form; 7. The requirements of the clinical study are easy to understand and judge.
Exclusion criteria
Exclusion criteria: 1. In cases where the narrow sections are too long or there are multiple narrow areas, autologous patch ureteral reconstruction surgery cannot be performed. 2. Patients with diseases such as severe cardiac, pulmonary and liver dysfunction, uncontrolled severe bleeding tendency, unstable blood sugar control in diabetes, etc., have contraindications for anesthesia or surgery. 3. Patients with oral mucosal diseases where samples cannot be obtained, such as Behcet's disease, etc. 4. Pregnant women. 5. Patients with mental disorders.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Surgical approach;Surgical time;Intraoperative blood loss;Intraoperative measurement of stricture length;Harvesting length;Suturing time;Length of postoperative hospital stay;Complication;Surgical success; | — |
Secondary
| Measure | Time frame |
|---|---|
| Age;Gender;Body Mass Index;Side of surgery;Position of stricture;Etiology;History of prior surgery and treatment; | — |
Countries
China
Contacts
Peking University First Hospital