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[Balloon catheter parieto-renal dilatation in percutaneous kidney surgery]
1Service d'Urologie, Hôpital Tenon, Paris, France. mohamed.tligui@tnn.ap-hop.paris.fr
Objective:
To compare two techniques of parieto-renal dilatation for percutaneous surgery: Alken dilators and balloon catheter.
Material And Methods:
This prospective, non-randomized study was conducted between July 1999 and April 2000 in 20 patients undergoing percutaneous renal surgery. 10 patients were dilated with a balloon catheter (NephroMax, Boston Scientific) and the other 10 patients were dilated with Alken metal dilators. Statistical analysis was performed with the Mann-Whitney test.
Result:
The dilatation time and x-ray exposure time were shorter during balloon catheter dilatation (statistically significant difference) and the two techniques were associated with a comparable morbidity.
Conclusion:
Balloon catheter parieto-renal dilatation significantly decrease dilatation and x-ray exposure times and very considerably simplifies this operative step, essential to the success of percutaneous surgery.