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Single step access into the pelvicalyceal system using the webb target dilator for PCNL and comparison with sequential dilatation technique

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Author(s): Goel Apul | Aron Monish | Goel Rajiv | Gupta N | Hemal A | Dogra P | Seth Amlesh

Journal: Indian Journal of Urology
ISSN 0970-1591

Volume: 20;
Issue: 1;
Start page: 14;
Date: 2003;
Original page

Keywords: Renal stone disease | nephrolithotomy | percutaneous. Webb target dilator.

ABSTRACT
Objectives: To evaluate the effectiveness and safety of the single step dilatation of the pelvicalyceal system using the Webb target dilator. Methods: Thirty consecutive patients who underwent PCNL using the Webb dilator were compared with 30 pa-tients in whom sequential dilatation was done. The two groups were similar as regards age, stone location and degree of hydronephrosis. Results: The Webb dilator was associated with a lesser time for tract dilatation as compared to the sequential dila-tation group. There were no significant complication in either group. There was a higher incidence of failure of adequate access to pelvicalyceal system with the Webb dilator group if the pelvicalyceal system was not dilated. Conclusions: The Webb target dilator is a safe, rapid and effective method of tract dilatation during PCNL and is associated with significantly shorter time in tract dila-tation as compared to the sequential dilatation group. How-ever it is not suitable for non-dilated pelvicalyceal systems.
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