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Comparison of contrast enhanced ultrasound versus conventional ultrasound guided percutaneous nephrolithotomy in patients with nondilated collecting system: a randomized controlled trial

Comparison of contrast enhanced ultrasound versus conventional ultrasound guided percutaneous nephrolithotomy in patients with nondilated collecting system: a randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1800016981
Enrollment
Unknown
Registered
2018-07-05
Start date
2018-07-07
Completion date
Unknown
Last updated
2018-07-09

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

Conditions

upper urinary tract stones

Interventions

1:Conventional ultrasound guided PCNL
2:Contrast enhanced ultrasound guided PCNL

Sponsors

Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

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

MeasureTime frame
Success rate of puncture;

Secondary

MeasureTime 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

Public ContactEjun Peng

Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology

pengejun@126.com+86 13971239379

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 23, 2026