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Modified technique for dilatation of difficult nephrostomy tracts
A Morsy1, M el Gammal, O M Abdel-Razzak
1Department of Urology, Kasr El-Aini Faculty of Medicine, Cairo University, Manial, Egypt.
Techniques in Urology
|November 4, 1998
Summary
A new technique simplifies percutaneous nephrostomy tract dilation, especially after prior renal surgery. This method uses a telescoping metal dilator
Area of Science:
- Nephrology
- Urology
- Surgical Techniques
Background:
- Percutaneous nephrostomy tract dilation can be challenging, particularly in patients with a history of renal surgery.
- Tough perirenal fibrous tissue often complicates dilation.
Purpose of the Study:
- To present a modified technique for percutaneous nephrostomy tract dilation.
- To simplify and improve the safety of tract dilation, especially in complex cases.
Main Methods:
- Utilizing the central rod of a telescoping metal dilator set with a backloaded first dilator.
- Avoiding the use of less rigid fascial dilators.
Main Results:
- This technique effectively dilates tough perirenal fibrous tissue.
- It allows for one-stage placement of a safety guidewire.
- The method proved advantageous and convenient for routine use.
Conclusions:
- The modified dilation technique is effective and simplifies the percutaneous nephrostomy procedure.
- This approach is beneficial for all patients, including those with prior renal surgery or recurrent cases.