Urinary calculus
Conditions
Interventions
Experimental group:Use a flexible ureteral access sheath
Control group:not using a flexible ureteral access sheath
Sponsors
The First Affiliated Hospital of Nanchang University
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18-75 years; No gender limit. 2. In line with the surgical indications of flexible ureteroscopic lithotripsy; 3. CT prompts upper ureter or kidney stones; 4. Upper urinary calculi with diameter =4 cm; 5. Sign the informed consent form for surgery.
Exclusion criteria
Exclusion criteria: 1. There are contraindications for flexible ureteroscopic lithotripsy; 2. Known and highly suspected ureteral stenosis; 3. Severe heart and lung disease cannot tolerate surgery; 4. Uncorrected diabetes, hypertension; 5. Uncontrolled coagulation disorders; 6. History of pelvic surgery and radiotherapy, obvious stenosis and bladder contracture below the ureteral lesions; 7. Ureteral fixation, stenosis, fibrosis, difficulty in inserting ureteroscope or indwelling flexible ureteroscope sheath; 8.Pregnant; 9.Kidney insufficiency; 10.Refusal to sign informed consent form.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Stone Information;The operation time; | — |
Secondary
| Measure | Time frame |
|---|---|
| complications;Postoperative hospital stay;Patient subjective perception; | — |
Countries
China
Contacts
Public ContactXi Hai Bo
The First Affiliated Hospital of Nanchang University
Outcome results
None listed