Comparing Efficacy and Complication Between Prone Versus Prone-Flexed Position for Percutaneous Nephrolithotomy (PCNL)

Comparing Efficacy and Complication Between Prone Versus Prone-Flexed Position for Percutaneous Nephrolithotomy (PCNL)

Comparing Efficacy and Complication Between Prone Versus Prone-Flexed Position For Percutaneous Nephrolithotomy (PCNL)

Inclusion Criteria:

1. Staghorn calculi
2. Renal pelvis stones >2 cm
3. Lower pole stones >1.5 cm
4. SWL-resistant stones

Exclusion Criteria:

1. Age <18 years or Pregnancy
2. Bilateral simultaneous PCNL
3. Need for 3 percutaneous tracts intraoperative
4. Morbid obesity (BMI >40)
5. Non opaque renal stones.
6. Refuse to complete study requirements
7. Atypical bowel interposition need CT guided puncture
8. Tumour in the presumptive access tract area or Potential malignant kidney tumour