upper urinary tract stones
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Adults aged > 18 years; 2. Presence of kidney stones with nondilated collecting system confirmed by plain abdominal radiography, urinary ultrasonography, or non-contrast computed tomography (CT); 3. Subjects must be capable of giving written informed consent, which includes compliance with the requirements of the trial.
Exclusion criteria
Exclusion criteria: 1. Patient with collecting system dilation seen either preoperatively or intraoperatively; 2. Infection, uncontrolled urinary tract infection, pyonephrosis, sepsis; 3. Requiring multiple renal accesses; 4. Patients with bilateral ureteral/kidney stones; 5. Patients with a history of ipsilateral PCNL surgery; 6. Patients with abnormal renal tract anatomy (such as a solitary kidney, a duplex system, horseshoe kidney, spongy kidney or transplant kidney); 7. Women who have a known or suspected pregnancy(confirmed by a pregnancy test) or are breastfeeding; 8. Currently involved in other clinical studies; 9. Patients with contraindications to the use of contrast agents(eg. right-to-left or bidirectional cardiac shunts, hypersensitivity to perflutren); 10. Refuse to sign informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate of puncture; | — |
Secondary
| Measure | Time frame |
|---|---|
| Success rate of a single needle puncture (%);No. of needle passes;Puncture time;Channel establishment time;Operative time;EBL;LOS;Analgesic use;eGFR decrease;Hb drop;Stone-free rate;Complications; | — |
Countries
China
Contacts
Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology