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Is a 2-week duration sufficient for stenting in endopyelotomy?
Anil Mandhani1, Rakesh Kapoor, Waheed Zaman
1Deparment of Urology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, UP, India.
The Journal of Urology
|February 11, 2003
Summary
Two weeks of internal stenting appears sufficient after endopyelotomy for ureteropelvic junction obstruction. Shorter stent duration improves patient comfort and reduces urinary tract infections without compromising functional outcomes.
Area of Science:
- Urology
- Surgical Innovation
- Medical Device Research
Background:
- Internal stenting is crucial for endopyelotomy success.
- Animal studies suggest 1-2 weeks for ureterotomy healing.
- Stent-related complications necessitate minimizing stenting duration.
Purpose of the Study:
- To prospectively evaluate the optimal duration of internal stenting after endopyelotomy.
- To compare outcomes of 2-week versus 4-week stenting periods.
Main Methods:
- Prospective randomized trial involving 57 patients with primary ureteropelvic junction obstruction.
- Patients randomized to 2-week (Group 1) or 4-week (Group 2) stent placement.
- Follow-up included symptom questionnaires, diuretic scanning, and renography.
Main Results:
- No significant difference in improved drainage patterns at 1 year between groups (92.3% vs 90.3%).
- Significantly lower incidence of urinary tract infections in the 2-week group (11.5% vs 38.1%, p=0.04).
- 64% of patients in the 4-week group preferred a 2-week duration.
Conclusions:
- Two weeks of stenting is sufficient for functional restoration after endopyelotomy.
- Shorter stenting duration reduces complications like urinary tract infections.
- Optimizing stent duration improves patient experience and outcomes.