Urological and Genital Diseases Kidney Disease
Conditions
Interventions
Single step renal dilatation
Sequential metal Alken renal dilation
Sponsors
Alexandria University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients aged =18 years Diagnosis of recurrent staghorn renal stones (partial or complete) Candidates scheduled for standard percutaneous nephrolithotomy (PCNL) Fit for general anesthesia Provided written informed consent
Exclusion criteria
Exclusion criteria: Age <18 years Associated ureteric stones requiring alternative management Congenital or anomalous kidneys (e.g., horseshoe kidney, ectopic kidney) Known bleeding diathesis or uncorrected coagulopathy Major skeletal deformities preventing safe prone positioning or access Active uncontrolled infection or severe comorbid condition precluding surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| •Operative time: Measured from initial renal puncture to insertion of the nephrostomy tube. •Fluoroscopy exposure time: Total duration of intraoperative fluoroscopic imaging. | — |
Secondary
| Measure | Time frame |
|---|---|
| • Stone-free rate (SFR): Defined as the absence of residual stone on postoperative day 1 plain KUB radiograph. • Postoperative pain: Assessed using the Visual Analogue Scale (VAS). • Hemoglobin drop: Measured on postoperative day 1. • Blood transfusion rate: Requirement for perioperative transfusion. • Complication rate: Classified according to the Clavien–Dindo grading system. • Length of hospital stay: Duration of postoperative hospitalization in days. • Number of renal punctures: Recorded intraoperatively as an access parameter. | — |
Countries
Egypt
Contacts
Public ContactOmar Elgebaly
Assistant professor
Outcome results
None listed