None listed
Conditions
Interventions
Medical Device : Among those hospitalized for retrograde intrarenal stone surgery, those who agreed to participate in the clinical trial are eligible. When performing intrarenal stone removal surgery,
Sponsors
Seoul National University Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients who have decided to undergo retrograde nephrolithotomy using a conventional flexible endoscopic approach and percutaneous nephrolithotomy due to stones that are difficult to pass naturally with non-surgical treatment, and who have signed and agreed to the clinical trial contents that they have become familiar with while hospitalized
Exclusion criteria
Exclusion criteria: Those who cannot stop taking anticoagulants and antiplatelet agents (except aspirin), those with bilateral stones that need to be removed at the same time, those who need to undergo other interventional surgeries in conjunction with retrograde nephrolithotomy (benign prostatic hyperplasia, ureteral junction and ureteral stricture, ureteral cancer, renal diverticulum, etc.), those with abnormalities in the anatomical structure of the ureter that make retrograde nephrolithotomy difficult, those who have received a kidney transplant, those diagnosed with chronic kidney disease, those with active urinary tract infection (UTI), those who are pregnant, those who have hypersensitivity to contrast media and have difficulty controlling it, those who have difficulty with local or general anesthesia, those who are currently participating in another clinical trial or have participated in another clinical trial within 30 days from the screening date, and others, those judged by the investigator to be inappropriate to participate in the clinical trial for ethical reasons or because it may affect the results of the clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| LS ratio(Laser : Stop ratio) | — |
Secondary
| Measure | Time frame |
|---|---|
| Surgical success rate, ureteral injury rate, surgical time, complication rate | — |
Countries
Korea, Republic of
Contacts
Public ContactJiyun LEE
Seoul National University Hospital
Outcome results
None listed