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Vol. 43. Issue 1.
Pages 39-43 (January - February 2019)
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Vol. 43. Issue 1.
Pages 39-43 (January - February 2019)
New Techiques and Technologies
Endourological treatment of symptomatic ureteral stump posnephrectomy
Tratamiento endourológico del muñón ureteral sintomático posnefrectomía
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B. Fernández-Bautista
Corresponding author
bea.bfb89@gmail.com

Corresponding author.
, A. Parente Hernández, R. Ortiz Rodríguez, L. Burgos Lucena, J.M. Angulo Madero
Departamento de Urología pediátrica, Hospital General Universitario Gregorio Marañón, Madrid, Spain
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Table 1. Epidemiological, clinical and evolutionary data.
Abstract
Introduction

ureteral stump syndrome is defined as a recurrent urinary infection, low abdominal pain and haematuria in patients with a history of nephrectomy. Its incidence is low and the symptoms are non-specific. The aim of our paper was to present our results with endoscopic treatment of symptomatic ureteral remnants.

Material and methods

We performed a retrospective study of patients with ureteral remnant syndrome after nephrectomy treated in our centre between 2004 and 2015. We present a series of 10 patients. The patients were treated endoscopically with electrofulguration of the ureter and edges of the affected meatus, with subsequent injection of filler material into the suburetheral submucosa to aid in the coaptation of the ureteral remnant walls.

Results

The mean age at treatment was 2 years. The right ureteral remnant was treated in 6 patients and the left in 4. Seven meatuses were ectopic and 3 orthotopic. Follow-up was 8 years. After endoscopic treatment only 2 patients relapsed.

Conclusion

Endourological treatment of ureteral stump syndrome is a simple, safe, rapid and effective option that can be performed as an outpatient, for orthotopic and ectopic stumps. It does not compromise subsequent open resection of the ureteral remnant if required, and therefore we believe that it should be considered a valid alternative for the initial treatment of this disorder.

Keywords:
Ureteral stump syndrome
Nephrectomy
Endourological treatment
Resumen
Introducción

El síndrome del muñón ureteral se define como una infección urinaria recurrente, dolor abdominal bajo y hematuria en pacientes con antecedentes de nefrectomía previa. Su incidencia es baja y su sintomatología, inespecífica.

El objetivo de nuestro trabajo es presentar nuestros resultados con el tratamiento endoscópico de los restos ureterales sintomáticos.

Material y métodos

Realizamos un estudio retrospectivo de los pacientes que presentaban síndrome de resto ureteral tras nefrectomía y que han sido tratados en nuestro centro entre los años 2004 y 2015. Presentamos una serie de 10 pacientes. Los pacientes fueron tratados endoscópicamente con electrofulguración del uréter y de los bordes del meato afectado, con posterior inyección de material de relleno a nivel submucoso subureteral para favorecer la coaptación de las paredes del resto ureteral.

Resultados

La media de edad al tratamiento fue de 2 años. El resto ureteral afectado fue derecho en 6 pacientes y en 4 fue el lado izquierdo. Siete meatos fueron ectópicos y 3, ortotópicos. El tiempo de seguimiento fue de 8 años. Tras el tratamiento endoscópico solo 2 pacientes recidivaron.

Conclusión

El tratamiento endourológico del síndrome del muñón ureteral supone una opción simple, segura, rápida, ambulante y eficaz, tanto para restos ortotópicos como ectópicos. No compromete, si fuera necesaria, la posterior resección abierta del resto ureteral, por lo que creemos que debe considerarse como una alternativa válida para el tratamiento inicial de esta patología.

Palabras clave:
Síndrome del muñón ureteral
Nefrectomía
Tratamiento endourológico

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