Feasibility and safety of double-J ureteral stent with a timed-release extraction string in children
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View abstract on PubMed
Summary
This summary is machine-generated.The double-J ureteral stent with a timed-release extraction string (DJUS-TRES) offers a safe, anesthesia-free option for pediatric stent removal. While most removals were successful, potential complications like UTIs and urinary symptoms require consideration.
Area Of Science
- Pediatric Urology
- Minimally Invasive Surgery
- Medical Device Innovation
Background
- Conventional double-J ureteral stent (DJUS) removal in children necessitates cystoscopy under general anesthesia, posing risks and increasing costs.
- The development of DJUS with a timed-release extraction string (DJUS-TRES) aims to mitigate these limitations.
Purpose Of The Study
- To assess the feasibility and safety of utilizing DJUS-TRES for stent removal in pediatric patients.
- To compare the outcomes of DJUS-TRES removal with traditional cystoscopic methods.
Main Methods
- A prospective data collection of pediatric patients undergoing urological surgery with DJUS-TRES placement, followed by retrospective analysis.
- Postoperative assessment of spontaneous string expulsion and subsequent stent removal via traction, with cystoscopic removal reserved for failures.
Main Results
- Successful DJUS-TRES placement was achieved in 94.5% of pediatric patients (n=69/73).
- Stent removal via traction was successful in 90.9% (n=60/66) of attempted cases within two months.
- Complications included stent-associated urinary tract infection (18.8%), urinary symptoms (13.0%), stent migration (5.8%), and severe encrustation (1.5%).
Conclusions
- DJUS-TRES facilitates anesthesia-free stent removal in most pediatric cases, offering a favorable safety profile and reduced tissue trauma.
- Antegrade placement failures (14%) were primarily linked to ureterovesical junction passage issues.
- Despite a moderately lower success rate compared to invasive methods, DJUS-TRES presents a viable alternative, though further controlled studies are warranted.
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