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Related Experiment Videos

Experience with urethral stent explantation.

Darshan K Shah¹, Rakesh Kapoor, Gopal H Badlani

¹Department of Urology, Long Island Jewish Medical Center, New Hyde Park, New York, USA.

The Journal of Urology

|March 12, 2003

Summary

UroLume urethral stent removal is feasible with minimal tissue reaction. Explantation is often due to migration or improper placement, but the UroLume endoprosthesis shows a low failure rate when used appropriately.

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Area of Science:

Urology
Medical Devices
Surgical Outcomes

Background:

Urethral stents are used for conditions like benign prostatic hyperplasia and urethral strictures.
The UroLume endoprosthesis is one such device requiring evaluation of its long-term performance.
Understanding explantation rates and reasons is crucial for patient management.

Purpose of the Study:

To investigate the timing, causes, and outcomes of UroLume urethral stent explantation.
To assess the success and complications associated with UroLume stent removal.
To correlate explantation findings with the initial indication for stent placement.

Main Methods:

A retrospective review of 465 patients who received UroLume stents was conducted.
Data from 69 patients requiring removal of 73 stents over 7 years were analyzed.

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Explantation timing, reasons, and local histological findings were extracted from patient charts.

Main Results:

Stent explantation occurred in 14.8% of patients and 15.6% of stents.
Reasons for removal included migration/inappropriate placement (38.4%) and indications like benign prostatic hyperplasia (23%) and detrusor-sphincter dyssynergia (22%).
Most explantations (43.8%) occurred within the first year; focal inflammation with hyperplastic response was common, with no observed malignant changes. Stent removal was feasible without sequelae.

Conclusions:

The UroLume endoprosthesis demonstrates a low failure incidence when appropriately utilized.
Urethral stent removal is technically feasible and safe.
Minimal local tissue reaction and available subsequent therapeutic options support its use.