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J Endourol. 1997 Jun;11(3):171-2.

The Hickman peel-away sheath: alternative for pediatric percutaneous nephrolithotomy.

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  • 1University of South Florida Health Sciences Center, Tampa, USA.


Percutaneous nephrolithotomy presents a therapeutic challenge in children because of the disproportion between the sizes of the instruments and the kidneys. A technique for pediatric nephrolithotomy used on a 2-year-old female child is presented. The patient was born prematurely and developed kidney stones as a complication of furosemide therapy. She failed medical management with hydrochlorothiazide, and the stone did not disintegrate following extracorporeal shockwave lithotripsy (ESWL). A Chiba needle was used to access the renal collecting system percutaneously. Using a guidewire, sequential dilatation was performed to 16F. A 15F Hickman catheter introduction kit was then used, and the sheath was partially peeled away. A 10F pediatric cystoscope and grasper were inserted through the sheath to remove the stones. A 12F catheter was then placed through the sheath; the sheath was peeled away, and the catheter was left indwelling for 48 hours. No complications ensued. A postoperative nephrostogram showed free drainage and absence of residual stones. Utilization of the Hickman peel-away sheath constitutes an excellent alternative nephrolithotomy technique for children with stones unresponsive to more conservative treatment.

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