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New techniques for stenting severely strictured or occluded ureters.
European Journal of Radiology
|November 1, 1985
Summary
This study presents methods for ureteral stent placement in cases of severe ureteral strictures. Techniques include using a rigid tube, guide wire traction, and bladder puncture for effective urinary drainage.
Area of Science:
- Urology
- Medical Devices
- Surgical Techniques
Background:
- Ureteral strictures can obstruct urine flow, leading to kidney damage.
- Effective stenting is crucial for managing ureteral strictures.
- Current methods may face challenges with severe or complex strictures.
Observation:
- A rigid curved tube facilitates percutaneous stenting through the kidney for ureteral strictures.
- Guide wire tensioning enables antegrade dilatation and stent drainage.
- Transureteral bladder puncture offers an alternative for occluded ureteric orifices.
Findings:
- Percutaneous stenting of severely strictured ureters is achievable via specialized catheterization.
- Antegrade dilatation and drainage can be accomplished using bidirectional guide wire traction.
- Stent insertion is possible even with complete ureteric orifice occlusion.
Implications:
- These techniques offer viable solutions for challenging ureteral stricture cases.
- Improved stent placement can lead to better patient outcomes and reduced complications.
- Novel approaches enhance the management of complex urinary tract obstructions.