Patients with complex upper urinary tract stones
Conditions
Interventions
Test Group:Placement of triangular prism-shaped ureteral stent (F4.8, Guangdong Tianyou Medical Device Technology Development Co., Ltd.)
Control Group:Placement of conventional circular ureteral stent (F4.8, Shenzhen Kangyibo Technology Development Co., Ltd.)
Sponsors
Qingbaijiang District People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18–70 years, regardless of gender; 2. Diagnosed with complex upper urinary tract calculi by imaging examinations (CT urography/CTU or kidney-ureter-bladder radiography/KUB), meeting any of the following criteria: (1) Renal calculi or upper ureteral calculi with a diameter of >=2 cm; (2) Multiple renal or ureteral calculi (>=2 stones); (3) Impacted upper ureteral calculi accompanied by obvious obstruction; (4) Renal lower calyceal calculi with an infundibulopelvic angle (IPA) of 3 cm); (6) Presence of ureteral urinary diversion or abnormal renal anatomy (ectopic kidney, horseshoe kidney, calyceal diverticulum, etc.); 3. American Society of Anesthesiologists (ASA) physical status classification I–III, and able to tolerate flexible ureteroscope surgery; 4. Signed the informed consent form and voluntarily participated in the study.
Exclusion criteria
Exclusion criteria: 1. Presence of severe urological malformations or malignant tumors of the urinary system; 2. Presence of severe infection that is poorly controlled; 3. Presence of severe hepatic or renal dysfunction, or coagulation disorders; 4. Allergy to perioperative medications or stent materials; 5. Pregnant or lactating women; 6. Presence of psychiatric disorders or inability to comply with follow-up requirements.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative 2-week VAS pain score;Ureteral stent symptom score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Renal function recovery;Ureteral stent indwelling time;Stone - free rate; | — |
Countries
China
Contacts
Public ContactQilei Jia
Chengdu Qingbaijiang District People's Hospital
Outcome results
None listed