Abstract
We aimed to present the outcomes of PNL surgery performed in infantile patients with small renal stones who were younger than 1 year of age. A single-center prospective trial was initiated and during the period between Jan 2013 and Jan 2015, PNL was applied to 20 renal units of 16 infants (6 girls and 10 boys), including 4 patients with bilateral kidney stones. PNL was performed in patients with renal stones larger than 2 cm, as well as stones resistant to SWL or renal stones that were undetectable during SWL. The mean age of the patients was 9.55 (5–12) months. Of the 20 renal units, 1 had complete staghorn stones, 3 had partial staghorn stones, 13 had renal pelvic stones, and 3 had lower pole stones. The mean stone size was 18.5 mm (range 12–36 mm). Mean operative time for PNL was 88 (25–135 min). Mean fluoroscopy time was estimated as 3.4 min. Mean hemoglobin loss was 0.72 g/L (0.2–3). The mean hospital stay was 4.1 days (2–8 days). On postoperative day 1, a complete stone-free state was achieved in 70 % of renal units (14 of 20). At the end of the first postoperative week, the remaining two patients had insignificant residual fragments of 3 mm and were followed conservatively without any specific intervention. Thus, the total SFR was 80 % (16 of 20) at discharge. In infants aged less than 1 year, minimal access tract dilation during PNL, the use of smaller caliber pediatric instruments, and the realization of this procedure by surgeons with adequate experience in adults carry utmost importance. In addition, special care should be taken to avoid hypothermia and radiation exposure during PNL.
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Dağgülli, M., Sancaktutar, A.A., Dede, O. et al. Minimally invasive percutaneous nephrolithotomy: an effective treatment for kidney stones in infants under 1 year of age. A single-center experience. Urolithiasis 43, 507–512 (2015). https://doi.org/10.1007/s00240-015-0787-z
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DOI: https://doi.org/10.1007/s00240-015-0787-z