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Vol. 38. Issue 2.
Pages 127-132 (March 2014)
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Vol. 38. Issue 2.
Pages 127-132 (March 2014)
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Totally laparoscopic repair of primary obstructive megaureter with pyeloplasty, complete excisional tailoring and nonrefluxing ureteral reimplantation
Reparación totalmente laparoscópica de megauréter obstructivo primario con pieloplastia, preparación escisional completa y reimplante ureteral sin reflujo
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G.L. Almeidaa,b,
Corresponding author
glalmeida@ibest.com.br

Corresponding author.
, W.F.S. Busatoa, O. de Cobellib
a Surgery Department, Laparoscopic Section, Catarinense Institut of Urology; University of Vale do Itajaí (UNIVALI), Itajaí, Brazil
b Department of Urology, European Institute of Oncology (IEO), University of Milan, Milán, Italy
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Abstract
Objective

To describe a new surgical technique of the first case of totally laparoscopic repair of primary obstructive congenital megaureter with pyeloplasty, intracorporeal excisional tailoring of the ureter and nonrefluxing ureteroneocystostomy.

Methods

A 15-year-old male presented with obstructive megaureter. The standard three-port transperitoneal pyeloplasty technique and an additional 5-mm port for dynamic traction were used. Pelvic and ureteral dissection, pyeloplasty, intracorporeal excisional ureteral tailoring and nonrefluxing ureteroneocystostomy were all completed laparoscopically. A double-J stent was used to calibrate the ureter.

Results

Operative time was 240min. No intra and postoperative complications were observed, and the discharge was made on postoperative day 2. The patient was pain-free and without urinary tract infection during the 4-month period after surgery. Follow-up revealed complete resolution of the ureteral obstruction and adequate pelvic and ureteral caliber.

Conclusion

Laparoscopic pyeloplasty, intracorporeal excisional tailoring, and non-refluxing reimplantation are safe and effective for the treatment of obstructive congenital megaureter. The totally laparoscopic approach is reproducible and provides low morbidity with inherent cosmetic advantages.

Keywords:
Megaureter
Laparoscopy
Ureteral reimplantation
Resumen
Objetivo

Describir el primer caso de una reparación totalmente laparoscópica de megauréter congénito obstructivo con pieloplastia, preparación de abscisión intracorpórea y ureteroneocistostomía sin reflujo.

Métodos

Un paciente del sexo masculino de 15 años de edad se presentó con un megauréter obstructivo. Fue utilizada la técnica patrón de pieloplastia transperitoneal de 3 puertos de entrada y un puerto adicional de 5mm para la tracción dinámica. La disección de la pelvis y del uréter, la pieloplastia, la preparación de la abscisión ureteral intracorpórea y la ureteroneocistostomía fueron realizadas a través de laparoscopia. Se utilizó un catéter doble-J para calibrar el uréter.

Resultados

El tiempo de cirugía fue de 240min. No se observaron complicaciones intra ni postoperatorias, y se dio el alta al segundo día después de la cirugía. El paciente no tuvo dolor ni infección en el tracto urinario durante el período de 4 meses posteriores a la cirugía. En el seguimiento del paciente se constató la total resolución de la obstrucción ureteral y un calibre pélvico y ureteral adecuado.

Conclusión

La pieloplastia laparoscópica, la preparación de abscisión intracorpórea y la ureteroneocistostomía sin reflujo son métodos seguros y eficientes en el tratamiento del megauréter congénito obstructivo. El abordaje totalmente laparoscópico puede ser reproducido y proporciona ventajas inherentes a las cirugías mínimamente invasivas, como baja morbilidad y ventajas cosméticas.

Palabras clave:
Megauréter
Laparoscopia
Reimplantación ureteral

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