Review Article
Percutaneous Nephrolithotomy in Children
Table 1
Standard products for percutaneous nephrolithotomy.
| Opacification of the collecting system | (1) Open ended ureteral catheter either 5 Fr OR | (2) Occlusion balloon catheter 5 Fr |
| Puncture of calyx | (1) 18 gauge needle with either 12 or 20 cm introducer |
| Guidewire placement | (1) 0.035′′ guidewire with straight tip (first wire) | (2) 0.035′′ sensor guidewire with straight tip (first wire exchanged for this wire) | (3) 8/10 dilator sheath set | (4) 0.035′′ superstiff guidewire with straight tip (placed as second wire through 8/10) | (5) Torqueable catheters and angled glidewires and guidewires for difficult anatomy |
| Renal tract dilation/establishment | (1) Sequential renal dilation to desired sheath (internal diameter 12–24 Fr) OR | (2) High-pressure balloon dilation with placement of sheath (24–30 Fr) |
| Renal drainage following procedure | (1) Locking loop nephrostomy tubes 10–12 Fr OR | (2) Malecot re-entry catheters 16–24 Fr |
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