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Clinical Efficacy of Flexible Ureteroscopic Lithotripsy Combined with Negative Pressure suction in the Treatment of Upper Urinary Tract Calculi under full lateral decubitus position without leg-splitting: A Prospective Cohort Study

A comparative study of the efficacy of complete lateral decubitus and lithotomy in the treatment of upper urinary tract stones with flexible ureteroscopy combined with negative pressure sheath lithotripsy: a prospective cohort study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500107463
Enrollment
Unknown
Registered
2025-08-12
Start date
2024-04-01
Completion date
Unknown
Last updated
2025-08-18

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

Conditions

Urolithiasis

Interventions

Lithotomy group:None
Lateral decubitus group:None

Sponsors

Peking University People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Over 18 years old; 2. Patients with kidney stones and upper ureteral stones, meet the surgical indications, and undergo flexible ureteroscopic lithotripsy in our hospital; 3. Signed informed consent form before surgery.

Exclusion criteria

Exclusion criteria: 1. BMI >= 40 kg/m^2; 2. Middle and lower ureteral stones; 3. History of malignant tumors; 4. Abnormal kidney structure or spinal deformity; 5. Incomplete follow-up data.

Design outcomes

Primary

MeasureTime frame
Computed Tomography;—

Secondary

MeasureTime frame
body mass index;Operation time;History of surgery;—

Countries

China

Contacts

Public ContactHu Hao

Peking University People's Hospital, 11 Xizhimen South Street, Beijing, China

huhao@bjmu.edu.cn+86 136 8300 8817

Outcome results

None listed

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