Multicenter clinical study of CT three-dimensional reconstruction assisted accurate establishment of PCNL surgical channel

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100053443

Enrollment

Unknown

Registered

2021-11-21

Start date

2021-11-30

Completion date

Unknown

Last updated

2022-10-04

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

Conditions

Urinary calculi

Interventions

experimental group:CT 3D reconstruction/X-ray guided puncture

Eligibility

Sex/Gender

All

Age

5 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Kidney stones >= 2cm, partial staghorn stones and complete staghorn stones; 2. Infrarenal calyx stones >=1.5cm; 3. Incarcerated stones in the upper ureter, including stones > 1.5cm, stones < 1.5cm but severe hydronephrosis or failure of extracorporeal shock wave therapy; 4. Preoperative CT three-dimensional image reconstruction of renal collecting system showed that the collecting system and ureter were well visualized.

Exclusion criteria

Exclusion criteria: 1. Those with abnormal coagulation function that cannot be corrected; 2. Those who cannot undergo surgery due to complications such as heart, brain, and lung; 3. Those with severe deformity of the spine and obesity who cannot lie prone; 4. Urinary tract infection cannot be effectively controlled; 5. Patients with renal tumors; 6. Those who are allergic to contrast media; 7. Those who are pregnant.

Design outcomes

Primary

Measure	Time frame
Position of Urinary Stone;Affected side;diameter of the calculi;Stone density;Hydronephrosis;solitary kidney;hemoglobin;serum creatinine;white urinary cell count;Urine culture;Puncture position;Target renal calyces;channels size;Number of channels;Use of negative pressure attracting implement;Crushing Equipments;operation time;nephrostomy tube and indwelling double J tube;Successful establishment of surgical channel or failure;temperature;blood transfusion;Renal artery embolism;The use of analgesic drug;Sepsis;Adjacent apparatus injury;urinary leakage;Urinary cyst;Perirenal infection;Nephrectomy;Death;	—

Measure

Time frame

Position of Urinary Stone;Affected side;diameter of the calculi;Stone density;Hydronephrosis;solitary kidney;hemoglobin;serum creatinine;white urinary cell count;Urine culture;Puncture position;Target renal calyces;channels size;Number of channels;Use of negative pressure attracting implement;Crushing Equipments;operation time;nephrostomy tube and indwelling double J tube;Successful establishment of surgical channel or failure;temperature;blood transfusion;Renal artery embolism;The use of analgesic drug;Sepsis;Adjacent apparatus injury;urinary leakage;Urinary cyst;Perirenal infection;Nephrectomy;Death;

—

Secondary

Measure	Time frame
History of percutaneous nephrolithotomy;Diabetes history;hypertension history;Urinary nitrite;Stone composition;Stone free rate;	—

Countries

China

Contacts

Public ContactLi Jiongming

The Second Affiliated Hospital of Kunming Medical University

jiongmingli@aliyun.com+86 13708416552

Outcome results

None listed

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