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Randomized Controlled Study of Ultra-Mini Percutaneous Nephrolithotomy (UMP) vs Super-Mini Percutaneous Nephrolithotomy (SMP) for Treatment of Renal Calculi <= 2CM

Randomized Controlled Study of Ultra-Mini Percutaneous Nephrolithotomy (UMP) vs Super-Mini Percutaneous Nephrolithotomy (SMP) for Treatment of Renal Calculi <= 2CM

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100045381
Enrollment
Unknown
Registered
2021-04-14
Start date
2021-04-14
Completion date
Unknown
Last updated
2021-11-22

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

Conditions

Kidney Stones (<= 2CM)

Interventions

Study Group (Group A):Ultra-Mini Percutaneous Nephrolithotomy (UMP)
Control Group (Group B):Super-Mini Percutaneous Nephrolithotomy (SMP)

Sponsors

People's Hospital of Xinjiang Uygur Autonomous Region
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Aged >= 18 years; 2. Preoperative imaging examination: patients with kidney stones (<= 2CM) confirmed by urinary plain film (KUB), urinary tract CT or intravenous urography (IVP) and B-ultrasound; 3. There was no surgical contraindication; 4. Agreed to participate in the study, and could actively cooperate with doctors to collect information, complete treatment and follow-up in the later stage.

Exclusion criteria

Exclusion criteria: 1. Transplanted kidney, isolated kidney, horseshoe kidney, ectopia kidney, calycal diverticulum or other special cases; 2. Severe cardiopulmonary dysfunction or heart disease; 3. History of open operation for kidney stones or repeated ESWL; 4. Severe urinary tract infection; 5. Information is incomplete or loss to follow-up.

Design outcomes

Primary

MeasureTime frame
Stone-free rate;

Secondary

MeasureTime frame
Time of operation;Infection index;Hemoglobin decline;Postoperative hospital stay;The channel number;

Countries

China

Contacts

Public ContactLi Jiuzhi

People's Hospital of Xinjiang Uygur Autonomous Region

xjlijiuzhi@163.com+86 13999278509

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026