Percutaneous Nephrolithotomy in Children

Table 1

Standard products for percutaneous nephrolithotomy.

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Opacification of the collecting system

 (1) Open ended ureteral catheter either 5 Fr OR

 (2) Occlusion balloon catheter 5 Fr

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Puncture of calyx

 (1) 18 gauge needle with either 12 or 20 cm introducer

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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

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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)

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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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