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Inicio Actas Urológicas Españolas (English Edition) New technique to perform percutaneous nephrolithotripsy total dorsal decubitus
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Vol. 34. Issue 8.
Pages 726-729 (January 2010)
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Vol. 34. Issue 8.
Pages 726-729 (January 2010)
New technique to perform percutaneous nephrolithotripsy total dorsal decubitus
Nueva técnica para realizar nefrolitotripsia percutánea «decúbito dorsal total»
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E. Melchert
Corresponding author
edibert@uromed.com.br

Corresponding author.
, J.O. De Farias Junior
Servicio de Urología, Hospitales de Caridad, Florianopolis, Brazil
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Abstract
Introduction

Based on the knowledge of percutaneous surgeries performed by Valdivia-Uría technique, we developed changes which set a new technique to perform percutaneous nephrolithotripsy.

Material and methods

A retrospective study encompassing 1775 procedures was performed from 1996 to 2009, including all the patients who had undergone percutaneous nephrolithotripsy to treat urinary lithiasis. Patients were in total dorsal decubitus position, and it a puncture was performed in the posterior axillary line, dilation and placement of the Amplatz sheath in parallel position to the radio transparent table or slightly inclined downward.

Results

The median operating time was 55min and a complete clearance of the stones was achieved in 81.8% of the cases. In 12% of the cases the concurrent removal of the renal and ureteral lithiasis was performed.

Conclusion

This technique facilitates simultaneous ureteroscopy and nephroscopy without the need of repositioning the patient, and it is also a good option for percutaneous access.

Keywords:
Percutaneous nephrolithotripsy
Endourology
Renal lithiasis
Nephroscopy
Resumen
Introducción

Basado en los conocimientos de la cirugía percutánea realizada con la técnica de Valdivia-Uría, implementamos modificaciones que establecen una nueva técnica para realizar nefrolitotripsia percutánea.

Material y métodos

Fue realizado estudio retrospectivo en el período de 1996 a 2009, con 1.775 procedimientos, siendo incluidos en el estudio todos los pacientes sometidos a nefrolitotripsia percutánea por litiasis urinaria. Los pacientes fueron posicionados en decúbito dorsal total, siendo la punción realizada en la línea axilar posterior, con dila tación y colocación de la vaina de Amplatz en posición paralela a la mesa o con ligera inclinación inferior.

Resultados

El tiempo quirúrgico promedio fue de 55min, con remoción total de los cálculos en 81,8% de los casos. En el 12% de los casos fue realizada la remoción de la litiasis uretral y renal concomitante.

Conclusión

Esta técnica facilita la realización simultánea de ureteroscopia y nefroscopia sin movilización del paciente, siendo una buena opción para acceso percutáneo.

Palabras clave:
Nefrolitotripsia percutánea
Endourología
Litiasis renal
Nefroscopia

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