Analysis on Risk Factors of Ureteral Strictures after Endoscopic Laser Lithotripsy for Impacted ureteral Stone

Not Applicable

• Conditions: Urolithiasis

• Registration Number: ChiCTR2400088948
• Lead Sponsor: The Second Hospital of Tianjin Medical University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 2 September 2024

Recruitment & Eligibility

• Status: Pending
• Sex: All
• Target Recruitment: Not specified

Inclusion Criteria

1. Patients aged =18 years<br>2. Endoscopically diagnosed with impacted ureteral stones<br>3. Development of ureteral stricture after endoscopic laser lithotripsy

Exclusion Criteria

1. Impacted ureteral stones combined with ipsilateral renal stones<br>2. History of ureteral stricture<br>3. Coexisting ureteral diseases (e.g., ureteral tumors, retroperitoneal masses compressing the ureter)<br>4. Patients with spinal or urinary tract malformations<br>5. Patients with severe heart, lung, or brain diseases<br>6. Patients with severe coagulopathy<br>7. Pregnant patients<br>8. Patients with excessive missing data

Study & Design

• Study Type: Observational study
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Ureteral stricture rate;Degree of hydronephrosis;

Secondary Outcome Measures

Name	Time	Method
Operative method;Stone-free rate;Demographic characteristics;Laser energy;