Kidney stone (nephrolithiasis) requiring percutaneous nephrolithotomy
Conditions
Interventions
CDFI Group(Color-Doppler-guided cohort):NA
2D-US Group(Conventional 2D ultrasound cohort):NA
Sponsors
The First Affiliated Hospital of Guangxi Medical University – Hechi People’s Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. Age 18–70 years, either sex. 2. Renal pelvic and/or calyceal stones = 2 cm or staghorn stones confirmed by CT or KUB. 3. Scheduled to undergo first-time, single-tract (18 Fr) percutaneous nephrolithotomy (PCNL). 4. ASA class = III with no severe cardiac, hepatic, renal or coagulation disorder. 5. Willing to participate: signed informed consent (prospective cohort) or agreed to medical-record use (retrospective cohort).
Exclusion criteria
Exclusion criteria: 1. Previous open or percutaneous renal surgery on the same side. 2. Coagulopathy (INR > 1.5 or platelets 180 mmHg or DBP > 110 mmHg) or ASA = IV. 4. Renal malformation (ectopic, horseshoe, PUJ obstruction, etc.). 5. Pregnancy or lactation. 6. Co-existing ipsilateral renal tumor, active urinary tract infection, or pyonephrosis. 7. Refusal to provide informed consent or inability to comply with post-operative follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Intra-operative blood loss;24-hour post-operative haemoglobin drop; | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood transfusion rate;Super-selective renal arterial embolisation rate;Perirenal haematoma incidence; | — |
Countries
China
Contacts
Public ContactXianyong Yan
Hechi People’s Hospital ( affiliated to The First Affiliated Hospital of Guangxi Medical University ),
Outcome results
None listed