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Vol. 37. Issue 3.
Pages 188-192 (March 2013)
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Vol. 37. Issue 3.
Pages 188-192 (March 2013)
Casuistry
Use of a polymeric gel to prevent retropulsion during intracorporeal lithotripsy
Uso de un gel polimérico para evitar retropulsión durante la litotricia intracorpórea
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1581
W.R. Molina
Corresponding author
wilson.molina@dhha.org

Corresponding author.
, A. Pompeo, D. Sehrt, G. Pohlmann, F.J. Kim
Division of Urology, Department of Surgery, Denver Health Medical Center, University of Colorado, School of Medicine, Denver, CO, USA
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Table 1. Patient demographics.
Table 2. Intra and postoperative outcomes.
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Abstract
Introduction

Stone retropulsion during ureteroscopic lithotripsy may lead to additional procedures needed for residual calculi. Several devices have been introduced in an attempt to reduce retropulsion. We set out to report our initial experience utilizing the new polymeric gel, BackStop®.

Materials and methods

We prospectively collected data on 7 ureteroscopy procedures with distal ureteral calculi treated with BackStop®. Perioperative data including stone size, location, operative time, stone free rate, the presence or absence of retropulsion were collected. Success was defined as no residual fragments, no retropulsion, and no additional procedures required.

Results

All of the patients were rendered stone free after URS and no retropulsion occurred. There were no intraoperative complications nor gel migration or problems with dissolving the gel.

Conclusions

BackStop® is a new promising therapy to prevent retropulsion during ureteral intracorporeal lithotripsy. It is safe, easy to apply and very effective in preventing stone fragment migration. BackStop® has the potential to reduce operative time.

Keywords:
Ureteroscopy
Retropulsion
Intracorporeal lithotripsy
Resumen
Introducción

La retropulsión de los cálculos durante la litotricia ureteroscópica puede conducir a procedimientos adicionales necesarios para los cálculos residuales. Se han introducido varios dispositivos en un intento de reducir la retropulsión. Nos pusimos en marcha para informar de nuestra experiencia inicial al utilizar el nuevo gel polimérico BackStop®.

Material y métodos

Hemos recogido de forma prospectiva los datos sobre 7 procedimientos de ureteroscopia con cálculos ureterales distales tratados con BackStop®. Se recogieron los datos perioperatorios, tales como tamaño del cálculo, ubicación, tiempo quirúrgico, tasa libre de cálculo, presencia o ausencia de retropulsión. El éxito se definió como la ausencia de fragmentos residuales, de retropulsión y de procedimientos adicionales que se requieren.

Resultados

Todos los pacientes quedaron libres de litiasis tras la URS y no se produjo ninguna retropulsión. No hubo complicaciones intraoperatorias ni migración de gel o problemas con la disolución del gel.

Conclusiones

BackStop® es un nuevo tratamiento prometedor para prevenir la retropulsión durante la litotricia intracorpórea ureteral. Es seguro, fácil de aplicar y muy eficaz en la prevención de la migración de fragmentos de cálculos. Backstop® tiene el potencial para reducir el tiempo quirúrgico.

Palabras clave:
Ureteroscopia
Retropulsión
Litotricia intracorpórea

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