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Vol. 45. Issue 5.
Pages 366-372 (June 2021)
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Vol. 45. Issue 5.
Pages 366-372 (June 2021)
Original article
Magnetic double-J stent: Evaluation of tolerance and impact on quality of life compared to traditional double-J stent
Catéter doble J magnético: evaluación de la tolerancia e impacto en la calidad de vida en comparación con el catéter doble J tradicional
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M. Diranzo-Garcia
Corresponding author
mdiranzo@gmail.com

Corresponding author.
, P. Pardo-Duarte, A. Álvarez-Barrera, J.U. Juan-Escudero, M. Beltrán-Puig, A. Monzó-Cataluña, K. Rechi-Sierra, F. Sánchez-Ballester, J. Garcia-Ibáñez, E. López-Alcina
Servicio de Urología, Consorcio Hospital General Universitario de Valencia, Valencia, Spain
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Tables (3)
Table 1. Demographic characteristics of the patients and stone location.
Table 2. Morbidity associated with catheterization assessed with the USSQ.
Table 3. Variables associated with removal.
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Abstract
Introduction

The placement of a ureteral stent is one of the most widely performed procedures in urology. It can have a negative impact on the patients’ quality of life, requiring a cystoscopy for its removal. The objective of this study is to evaluate the symptoms and impact on quality of life derived from the use of a magnetic double-J stent (Black Star®) and compare them to those presented in patients with a traditional double-J stent (OptiMed®).

Material and methods

We conducted a comparative, prospective, randomized study in 46 patients who underwent ureterorenoscopy with double-J stent placement between August 2019 and June 2020. Of all patients included, 23 had a traditional double-J stent placed (group A) and 23 had a magnetic double-J stent (group B) placed. We evaluated the results of the Ureteral Stent Symptom Questionnaire (USSQ) in both groups, assessed the technical difficulty related to stent removal and the pain during the procedure using the Visual Analogue Scale (VAS). We also reviewed the need for medical attention due to problems related to the stent or after its removal.

Results

There were no statistically significant differences between groups regarding the answers in the USSQ and the complications related to the use of the stent. Group B showed less pain (1.52 vs. 4, VAS, p = 0.001) and less difficulty during removal (1.61 vs. 3, p < 0.001) associated with a shorter procedure duration (11.65 min vs. 22.17 min p < 0.001).

Conclusions

The tolerance shown by the use of magnetic double-J is comparable to the tolerance of traditional stent, since it does not cause an increase in urinary symptoms nor worsens the quality of life of patients during its use.

Keywords:
Double-J stent
Magnetic double-J stent
Black Star
USSQ
Resumen
Introducción

La colocación de un catéter doble J (DJ) es uno de los procedimientos más realizados en urología. Puede causar un impacto negativo en la calidad de vida, siendo necesaria una cistoscopia para su extracción. El objetivo de este estudio es evaluar la sintomatología e impacto en la calidad de vida derivados del uso del catéter DJ magnético (Black Star®) y compararla con la del DJ tradicional (OptiMed®).

Material y métodos

Realizamos un estudio comparativo, prospectivo y aleatorizado en 46 pacientes sometidos a ureterorrenoscopia (URS) en quienes se colocó un DJ entre agosto del 2019 y junio del 2020. De los pacientes incluidos, 23 llevaron un DJ tradicional (grupo A) y 23 un DJ magnético (grupo B). Valoramos en ambos grupos los resultados del cuestionario de síntomas de catéter ureteral (USSQ). Evaluamos el dolor de la extracción mediante la escala visual analógica (EVA) y la dificultad de la retirada. Revisamos la necesidad de atención médica por problemas relacionados con el catéter o surgidos tras la extracción.

Resultados

No observamos diferencias estadísticamente significativas en el cuestionario USSQ, ni en las complicaciones. El grupo B presentó: menor dolor de la extracción (EVA de 1,52 vs. 4, p = 0,001), menor dificultad en la retirada (1,61 vs. 3, p < 0,001) y menor tiempo de extracción (11,65 vs. 22,17 min p < 0,001).

Conclusiones

El DJ magnético es un catéter ureteral que presenta una tolerancia equiparable a los tradicionales, ya que no genera un incremento de la sintomatología urinaria ni empeora la calidad de vida de los pacientes durante su uso.

Palabras clave:
Catéter doble J
Catéter doble J magnético
Black Star
USSQ

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