Skip to content

Feasibility and safety analysis of ultra-fine flexible ureteroscope in the treatment of upper urinary tract calculi without tube after operation

Feasibility and safety analysis of ultra-fine flexible ureteroscope in the treatment of upper urinary tract calculi without tube after operation

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400091347
Enrollment
Unknown
Registered
2024-10-27
Start date
2024-11-01
Completion date
Unknown
Last updated
2024-10-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Urinary calculi

Interventions

Ureteral stent group : Indwelling ureteral stent after flexible ureteroscopy
Ureteral catheter group :Temporary indwelling of ureteral catheter after flexible ureteroscopy
Tubeless group :No insertion after flexible ureteroscopy

Sponsors

The First Affiliated Hospital of Zhengzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1: The diameter of unilateral ureteral or renal calculi was less than 2.0cm, or the cumulative maximum diameter of multiple calculi was less than 2.0cm, and the diagnosis was confirmed by plain film of kidney ureters -bladder (kub), ultrasound or CT imaging 2: No urological tumor, no ureteral stricture, no malformation of urinary system development, no severe ureteral polyp formation 3: There was no significant ureteral burn, tear, avulsion, perforation and other serious injury during the operation, and no significant bleeding 4: No residual stones >4mm were found during the operation 5: Signed informed consent

Exclusion criteria

Exclusion criteria: 1: Patients with preoperative urinary tract infection, pregnancy, severe hydronephrosis, renal insufficiency, ureteral mucosal edema and hemorrhage caused by obstructive stones, requiring multiple lithotripsy, solitary kidney, abnormal coagulation, and severe cardio cerebral pulmonary disease.

Design outcomes

Primary

MeasureTime frame
Stone clearance ;Ureteral stricture rate ;

Secondary

MeasureTime frame
operative time ; Postoperative hospital stay ;Hospitalization expenses ;Postoperative fever situation ;Postoperative lumbar and abdominal pain ;Postoperative inflammatory markers ;

Countries

China

Contacts

Public ContactLi Songchao

The First Affiliated Hospital of Zhengzhou University

lisongchao1123@163.com+86 150 3826 9359

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026