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04.07.2020 | Original Article

Feasibility and safety of magnetic-end double-J ureteral stent insertion and removal in children

verfasst von: Marc Chalhoub, Jules Kohaut, Nicolas Vinit, Nathalie Botto, Yves Aigrain, Yves Héloury, Henri Lottmann, Thomas Blanc

Erschienen in: World Journal of Urology | Ausgabe 5/2021

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Abstract

Purpose

The need for surgical removal of a double-J ureteral stent (DJUS) is considered one of its disadvantages. Apart from increased cost, repeated exposure to general anesthesia is a concern in children. Alternative techniques have been described, all failing to become integrated into mainstream practice. Stents with a distal magnetic end, although introduced in the early 1980s, have only recently gained acceptance. We report the feasibility and safety of insertion and removal of a magnetic-end double-J ureteral stent (MEDJUS) in a pediatric population.

Materials and methods

We retrospectively analyzed the use of the Magnetic Black-Star Urotech^® MEDJUS between 11/2016 and 12/2019 in children. Stents were removed in the outpatient clinic using a transurethral catheter with a magnetic tip.

Results

MEDJUS insertion was attempted in 100 patients (65 boys). Mean age was 7.8 years (0.5–18). The stent was placed in an antegrade procedure (n = 47), by a retrograde route (n = 10), and during open surgery (n = 43). Stent insertion was successful in 84 cases (84%). All 16 failures occurred during the antegrade approach in laparoscopic pyeloplasty, with inability to push the stent and its magnet through the ureterovesical junction in 14. Magnetic removal was attempted in 83 patients, successful in 81 (98%). There was no added morbidity with the MEDJUS.

Conclusions

The use of MEDJUS is a safe and effective strategy that obviates the need for additional general anesthesia in children. Its insertion is similar to that with regular DJUS, and its easy and less time-consuming removal benefits both the patient and the hospital and validates its clinical use.

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Titel: Feasibility and safety of magnetic-end double-J ureteral stent insertion and removal in children
verfasst von: Marc Chalhoub
Jules Kohaut
Nicolas Vinit
Nathalie Botto
Yves Aigrain
Yves Héloury
Henri Lottmann
Thomas Blanc
Publikationsdatum: 04.07.2020
Verlag: Springer Berlin Heidelberg
Erschienen in: World Journal of Urology / Ausgabe 5/2021
Print ISSN: 0724-4983
Elektronische ISSN: 1433-8726
DOI: https://doi.org/10.1007/s00345-020-03339-0

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Feasibility and safety of magnetic-end double-J ureteral stent insertion and removal in children